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Hammersmith Bridge
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Hammersmith Bridge is a suspension bridge that crosses the River Thames in west London. It links the southern part of Hammersmith in the London Borough of Hammersmith and Fulham, on the north side of the river, with Barnes in the London Borough of Richmond upon Thames, on the south side of the river. The current bridge, which is Grade II* listed and was designed by civil engineer Sir Joseph Bazalgette, is the second permanent bridge on the site,[3] and has been attacked three times by the IRA.
Key Information
The bridge was closed indefinitely to all motor traffic in April 2019 after cracks were discovered in the bridge's pedestals.[4] The closure was extended to pedestrians and cyclists between August 2020[5] and July 2021 when limited use resumed. Further work and intermittent closures continued until April 2025, when the resurfaced wooden roadway was reopened to pedestrians and cyclists.
History
[edit]Origins
[edit]| Hammersmith Bridge Act 1824 | |
|---|---|
| Act of Parliament | |
| Long title | An Act for building a Bridge over the River Thames, from the Hamlet of Hammersmith in the County of Middlesex, to the Parish of Barnes in the County of Surrey, and for making convenient Roads and Avenues to communicate with such Bridge. |
| Citation | 5 Geo. 4. c.cxii |
| Dates | |
| Royal assent | 9 June 1824 |
| Other legislation | |
| Repealed by |
|
Status: Repealed | |
A group of local people proposed a new bridge at Hammersmith rather than detouring to either Kew Bridge or Putney Bridge to cross the river.[6] The construction of the bridge was first sanctioned by an act of Parliament, the Hammersmith Bridge Act 1824 (5 Geo. 4. c.cxii), on 9 June 1824, which established the Hammersmith Bridge Company.[7] Work began on site the following year, and the bridge was opened on 6 October 1827.[8] Construction of the bridge cost some £80,000 (equivalent to £8.9 million in 2023).[9]
| Hammersmith Bridge Act 1828 | |
|---|---|
| Act of Parliament | |
| Long title | An Act for altering and amending an Act passed in the Fifth Year of His present Majesty, for building a Bridge over the River Thames at Hammersmith, and for making convenient Roads to communicate therewith. |
| Citation | 9 Geo. 4. c. lii |
| Dates | |
| Royal assent | 23 May 1828 |
| Other legislation | |
| Repeals/revokes |
|
| Repealed by | |
Status: Repealed | |
| Text of statute as originally enacted | |
It was the first suspension bridge over the River Thames and was designed by William Tierney Clark.[10][11] A further act of Parliament, the Hammersmith Bridge Act 1828 (9 Geo. 4. c. lii) was obtained in 1828. The acts also included powers to acquire land by compulsory purchase in order to build approach roads, and required the company to purchase the entire Barn Elms estate (the surplus land was subsequently sold).[7]
Hammersmith Bridge Road in Hammersmith was also constructed with the bridge, together with Upper Bridge Road (now Castelnau) and Lower Bridge Road (now Lonsdale Road) in Barnes. It was operated as a toll bridge, with the toll house located at the Hammersmith end of the bridge.
The bridge had a clear water-way of 688 feet 8 inches (209.91 m). Its suspension towers were 48 feet (15 m) above the level of the roadway, where they were 22 feet (6.7 m) thick. The roadway was slightly curved upwards, 16 feet (4.9 m) above high water, and the extreme length from the back of the piers on shore was 822 feet 8 inches (250.75 m), supporting 688 feet (210 m) of roadway. There were eight chains, composed of wrought-iron bars, each five inches deep and one thick. Four of these had six bars in each chain; and four had only three, making thirty-six bars, which form a dip in the centre of about 29 feet (8.8 m).[12] From these, vertical rods were suspended, which supported the roadway, formed of strong timbers covered with granite. The width of the carriageway was 20 feet (6.1 m), with two footways of 5 feet (1.5 m). The chains passed over the suspension towers, and were secured to the piers on each shore. The suspension towers were built of stone, and designed as archways of the Tuscan order. The approaches were provided with octagonal lodges, or toll-houses, with appropriate lamps and parapet walls, terminating with stone pillars, surmounted with ornamental caps.
In order to increase profits, the company built a floating steamboat pier to the downstream side of the suspension pier closest to Barnes.[7]
By the 1870s, the bridge was no longer strong enough to support the weight of heavy traffic and the owners were alarmed in 1870 when 11,000 to 12,000 people crowded onto the bridge to watch the University Boat Race,[3] which passes underneath just before the halfway point of its 4+1⁄4-mile (7 km) course.
The Metropolitan Board of Works purchased the bridge from the Hammersmith Bridge Company in 1880 under the Metropolis Toll Bridges Act 1877 (40 & 41 Vict. c. xcix),[7] and transferred the approach roads to the local authorities (Fulham District Board of Works and the Parish of Barnes). The tolls were removed from the bridge on 26 June 1880.[7]
There were no immediate plans to replace the bridge, which remained sound, until a boat collided with it in 1882 causing damage, and leading to the Metropolitan Board of Works (Bridges, &c.) Act 1883 that authorised the construction of a replacement.[13] In 1884 a temporary bridge was put up to allow a more limited cross-river traffic while a replacement was constructed.[3]

1880s construction
[edit]
The current Hammersmith Bridge was designed by Sir Joseph Bazalgette and rests on the same pier foundations constructed for Tierney Clark's original structure. As built, the carriageway was 27 feet 2 inches wide, narrowing to 19 feet 9 inches between the towers, with two footways of 5 feet 10 inches. The maximum headway above high water was 15 feet 1 inch.[14]
The new bridge was built by Dixon, Appleby & Thorne and was opened by the Prince of Wales on 11 June 1887.[15] With much of the supporting structure built of wrought iron, it is 700 feet (210 m) long and 43 feet (13 m) wide and cost £82,117 to build (equivalent to £11.5 million in 2023).[9] With the abolition of the Metropolitan Board of Works on 21 March 1889, ownership of Hammersmith Bridge passed to the new London County Council.[16]
20th century
[edit]Near midnight on 27 December 1919, Lieutenant Charles Campbell Wood, a South African serving as an airman in the Royal Air Force, dived from the upstream footway of the bridge into the Thames to rescue a drowning woman. Although Wood saved her life, he later died from tetanus as a consequence of his injuries. His act of bravery is commemorated by a plaque on the handrail, which reads:
Lieutenant Charles Campbell Wood RAF
of Bloemfontein, South Africa dived from this spot into
the Thames at midnight 27 Dec. 1919 and saved a woman's life.
He died from the injuries received following the rescue.
The Royal Commission on Cross-River Traffic in London, 1926 recorded that the limited headroom for navigation was considered unsatisfactory and that there was little room for any increase in traffic. It continued[14]
Moreover the bridge is so constantly under repair that it is frequently available for only one line of vehicles and is the source of so much delay and congestion of traffic. We regard it as essential that Hammersmith Bridge should be rebuilt as soon as possible and widened to take four lines of traffic, without restriction of weight.
The first attempt by Irish republicans to destroy Hammersmith Bridge occurred on Wednesday 29 March 1939, when it was attacked by the IRA (of 1922–1969) as part of their S-Plan.[17][18] Maurice Childs, a women's hairdresser from nearby Chiswick, was crossing the bridge at one o'clock in the morning when he saw a smouldering suitcase that was lying on the walkway.[17] He realised it was a bomb and threw it over the side into the Thames, where it exploded. Soon afterwards, another bomb exploded, damaging the bridge and breaking windows in nearby houses. Childs was given an MBE for his quick-thinking. Eddie Connell was jailed for 20 years, and William Browne was jailed for 10 years for the attack.[18]
On 1 April 1965, the bridge was transferred to the Greater London Council (GLC) when it took over from London County Council.[16]
In 1986 the GLC was abolished. The Local Government Act 1985 transferred non-trunk road bridges in their entirety to one of the two London boroughs that each bridge lay within – the choice of borough to be decided between the two councils, or failing agreement, by the Secretary of State for Transport. In addition to the bridge, the London borough taking responsibility also gained 100 yards of approach road from the other borough. For Hammersmith Bridge, on 31 March 1986 the London Borough of Hammersmith and Fulham took responsibility.[16]
On 26 April 1996, the Provisional IRA attempted to destroy the bridge after installing two large Semtex bombs on the south bank of the Thames. Though the detonators were activated, the bomb, the largest Semtex bomb ever found in Britain at the time,[18] failed to ignite.[11][16]
At 4:30 am on 1 June 2000, the bridge was damaged by a Real IRA bomb planted underneath the Barnes span.[16] Following two years of closure for repairs the bridge was reopened with further weight restrictions in place.[19]
-
Hammersmith Bridge and riverside, seen from the Hammersmith bank
-
Hammersmith Bridge, seen from the Westminster to Kew tourist boat
-
Rowing crews racing under Hammersmith Bridge
-
End details
-
Tower
Renewed structural problems
[edit]In February 1997, the bridge was closed to all traffic except buses, bicycles, motorcycles, emergency vehicles and pedestrians to allow further essential repair works. Structural elements of the bridge were corroded or worn, in particular cross girders and deck surfacing, as well as some areas of masonry.[20] The bridge was declared a Grade II* listed structure in 2008, providing protection to preserve its special character from unsympathetic development.[21] The bridge was again temporarily closed to traffic to allow repairs in early 2014.[22] Further repairs and strengthening works were delayed in November 2016 in a wrangle over funding between Hammersmith and Fulham Council and Transport for London (TfL). LBHF leader Steven Cowan said: "There's no way that this council is going to spend anything like that money, the majority of this issue is the responsibility of TfL and we will work with them to make sure the bridge is fit for public purpose".[23]
2019–24 closure
[edit]With funding for a major refurbishment still not resolved, on 10 April 2019, Hammersmith and Fulham Council closed the bridge indefinitely to motor traffic on safety grounds. Pedestrians and cyclists were allowed to use the bridge.[24][25][16] The closure was due to cracks in the iron pedestals which support the structure.[26] On 10 October 2019, Planning in London magazine published the results of its competition for a quick fix to Hammersmith Bridge's closure. The winning entry, by marine civil engineers Beckett Rankine, consisted of a prefabricated temporary road and foot bridge downstream of Hammersmith bridge and connecting in to Queen Caroline Street on the Hammersmith side. Beckett Rankine claimed that the bridge's cost could be recouped by charging a toll on vehicles.[27][28] On 13 August 2020, the structural issues worsened in a heatwave, and the bridge was closed to cyclists and pedestrians,completely shutting use of the bridge.[16] River traffic and pedestrian routes under the bridge were also stopped.[5][29][30] The costs were reported as £141 million to fully repair the bridge and £46 million to stabilise it for use by cyclists and pedestrians. Neither the council nor the transportation authority had this money available.[29]
On 9 September 2020, the Secretary of State for Transport, Grant Shapps appointed a Department for Transport task force to investigate the bridge's condition, and work towards reopening the bridge for cyclists and pedestrians, and later the return of motor traffic.[31][16] In October 2020, it was announced that the bridge would not re-open to vehicles until at least 2027.[32] In November 2020, engineers proposed a temporary double-decked steel structure within the existing bridge to allow damaged elements to be removed for repair. The scheme, designed by Foster and Partners with bridge engineers COWI, was backed by the local council and presented to Shapps.[33] The scheme, costed at around £100 million, would allow the bridge to reopen for pedestrians and cyclists in the summer of 2021, with cars and vans able to cross two months later, and full restoration by 2023. The proposals were discussed on 19 March 2021 at a government taskforce meeting, and plans for the work to be funded through a £3 toll scheme were accepted.[34][35] In December 2020, reports suggested that the full closure was overly cautious, and that little work would be needed to reopen the bridge to pedestrians and cyclists.[36]
2021: partial reopening
[edit]On 1 June 2021, TfL, Hammersmith and Fulham Council and central government came to a cost-sharing agreement that would reopen the bridge in the near future.[37] The following month, council leader Stephen Cowan announced that the bridge would partially re-open to pedestrians and cyclists from 17 July 2021.[38] For the first phase, a £6 million, 46-week stabilisation plan designed by consultants Mott MacDonald was approved by the council in August 2021. A second phase, involving extensive strengthening and full restoration, was to allow the bridge to reopen to motor vehicles.[39]
2022: repairs
[edit]-
Repair works to the bridge footings
-
Footing foil-wrapped and cooled in heatwave, with sensors
In February 2022, highways contractor FM Conway started work on a 10-month first phase of the restoration. The council approved the full £8.9 million cost, hoping that DfT and TfL would reimburse them for their one-third shares.[40] Completion of this work was delayed a year as steel became hard to procure due to the Russian invasion of Ukraine.[41] In July 2022, the chains were wrapped in foil and cooled with air-conditioning to 13°C during a heatwave to prevent further cracking.[42][43] In October 2022, Hammersmith and Fulham Council agreed to lodge a planning application to temporarily double-deck the bridge to speed up its restoration.[41] The council intended to appoint a private sector contractor to design, renovate, finance and maintain the bridge, with the council's construction and ongoing operation and maintenance costs funded by tolls.[41]
2024: partial reopening
[edit]In February 2024, Hammersmith & Fulham Council reopened the central vehicle lane to cyclists for 10 weeks from 13 February 2024,[44] while construction was paused to allow the repair of a 130 m (430 ft) steel gantry damaged in a collision with a boat, MV Emerald of London, in December 2023.[45] The last stage was to replace the mechanical bearings on the four corner pedestals of the bridge, after which the council would "review e-mobility options to shuttle residents across the bridge, notably the elderly or disabled".[44] In January 2024, the cost of repairing the bridge had increased to £250 million (US$316 million).[46] A day later, London Mayor Sadiq Khan said that "I do want that bridge fit for purpose for vehicles" but neither Hammersmith & Fulham Council nor TfL had the money to make it so. TfL's 2024 Business Plan did not include funding for the bridge.[47]
2025: roadway reopened to pedestrians and cyclists
[edit]After work on the hangers that link the bridge deck to its suspension chains, the roadway was resurfaced. Its deck is of plywood boards, bolted to timber supports; worn boards and some of the timbers were replaced, at a cost of £2.9 million. The bridge reopened to pedestrians and cyclists in April 2025, with the roadway divided into wide pedestrian and cycle lanes. Pedestrians can also use the two outer footways.[48]
-
February 2024: worn roadway reopened as cycleway
-
April 2025: resurfaced roadway opened to pedestrians and cyclists
Heraldry
[edit]
At both the Hammersmith and Barnes ends of the bridge, there is a heraldic composition made up of seven coats of arms. These were formerly painted in their "correct" heraldic colours but have now been painted in the standard colour scheme. In the centre is the royal coat of arms of Queen Victoria which is surrounded by six others, representing the area of the Metropolitan Board of Works, from top clockwise the coats of arms of the Borough of Guildford (representing the county of Surrey), the City of Westminster, the Borough of Colchester (representing the County of Essex), the County of Middlesex, the City of London, and the County of Kent.[49]
See also
[edit]- Crossings of the River Thames
- Sir John Scott Lillie – shareholder in the 1820s Hammersmith Bridge project
- List of bridges in London
References
[edit]Citations
- ^ "Hammersmith Bridge". Historic Bridges. Retrieved 19 June 2021.
- ^ "Thames Bridges Heights". Port of London Authority.
- ^ a b c Historic England (12 May 1970). "Hammersmith Bridge (1079819)". National Heritage List for England. Retrieved 26 May 2015.
- ^ "Hammersmith Bridge 'closed indefinitely'". BBC News. 11 April 2019. Retrieved 12 April 2019.
- ^ a b O'Mahony, Daniel (13 August 2020). "Hammersmith Bridge fully closed following fresh safety concerns". Evening Standard. Retrieved 13 August 2020.
- ^ Cookson, Brian (August 2014). "Hammersmith: London's Prettiest Bridge". London Historians Members' Newsletter – via London Historians' Blog.
- ^ a b c d e "Hammersmith Bridge Company". London Metropolitan Archives. City of London Corporation. DD/0478.
- ^ "The Hammersmith Suspension Bridge". The Times. No. 13405. 9 October 1827. p. 2. Retrieved 22 August 2017.
- ^ a b UK Retail Price Index inflation figures are based on data from Clark, Gregory (2017). "The Annual RPI and Average Earnings for Britain, 1209 to Present (New Series)". MeasuringWorth. Retrieved 7 May 2024.
- ^ "William Tierney Clark". London Remembers.
- ^ a b Weinreb et al. 2008, p. 373.
- ^ Drewry, Charles Stewart (1832). A Memoir of Suspension Bridges: Comprising The History Of Their Origin And Progress. London: Longman, Rees, Orme, Brown, Green & Longman. pp. 82–88, and endplates. Retrieved 13 June 2009.
- ^ Paterson, Mike (18 June 2011). "Birthday Greetings: A Bridge Most Fair". London Historians' Blog. Retrieved 12 October 2021.
- ^ a b Report of the Royal Commission on Cross-River Traffic in London. London: HMSO. 1926. p. 54.
- ^ "Where Thames Smooth Waters Glide".
- ^ a b c d e f g h "Hammersmith Bridge timeline". London Borough of Hammersmith and Fulham. 7 December 2020.
- ^ a b Diary of London resident Norah Margaret Morris
- ^ a b c "'The windows started shaking'". BBC News. 1 June 2000. Retrieved 28 April 2013.
- ^ Tran, Mark (1 June 2000). "Dissident republicans suspected in Hammersmith bombing". The Guardian.
- ^ "Hammersmith Bridge". hammersmithbridge.co.uk. Archived from the original on 9 December 2007.
- ^ "London bridges get listed status", BBC News, 26 November 2008. Retrieved 26 November 2008.
- ^ "Hammersmith Bridge closed for urgent repairs". BBC News. 25 January 2014. Retrieved 4 May 2020.
- ^ "Hammersmith Bridge repair works delayed amid funding gap". BBC News. 30 November 2016. Retrieved 11 April 2019.
- ^ "Hammersmith Bridge Closed". London Borough of Hammersmith and Fulham. 10 April 2019. Retrieved 10 April 2019.
- ^ Prior, Grant (11 April 2019). "Critical faults force sudden closure of Hammersmith Bridge". Construction Enquirer. Retrieved 11 April 2019.
- ^ "Hammersmith Bridge closed because cracks in pedestals". BBC News. 24 May 2019. Retrieved 25 May 2019.
- ^ "A quick fix for Hammersmith Bridges" (PDF). Retrieved 11 February 2021.
- ^ Horgan, Rob (16 October 2019). "Hammersmith Bridge: Temporary bridge mooted to speed up repairs". New Civil Engineer. Retrieved 11 February 2021.
- ^ a b "London's bridges really are falling down". BD News 24. 8 September 2020. Retrieved 13 September 2020.
- ^ Moore, Rowan (14 February 2021). "London's bridges are falling down: how politics has failed the capital's crossings". The Observer. Retrieved 14 February 2021.
- ^ Morby, Aaron (10 September 2020). "Government task force to reopen Hammersmith Bridge". Construction Enquirer. Retrieved 10 September 2020.
- ^ "Hammersmith Bridge 'will not reopen to traffic until 2027'". BBC News. 29 October 2020. Retrieved 29 October 2020.
- ^ Morby, Aaron (30 November 2020). "Double-decker temporary fix for Hammersmith Bridge". Construction Enquirer. Retrieved 30 November 2020.
- ^ Marshall, Jordan (22 March 2021). "Fosters' plan for Hammersmith Bridge could slash £40m from repair bill". Building. Retrieved 22 March 2021.
- ^ "Double deck bridge is going ahead", hammersmithbridge.org.uk via BBC tweet
- ^ Horgan, Rob (10 December 2020). "Hammersmith Bridge could reopen after Aecom rules cracks 'may not be as serious as previously thought'". New Civil Engineer. Retrieved 11 December 2020.
- ^ Prynn, Jonathan; Lydall, Ross (1 June 2021). "Hammersmith Bridge 'set to reopen' as Govt proposes cost-sharing deal". standard.co.uk. Retrieved 1 June 2021.
- ^ "Hammersmith Bridge to reopen to pedestrians and cyclists". BBC News. 15 July 2021. Retrieved 1 June 2022.
- ^ "Mott's £6m plan approved for Hammersmith Bridge". The Construction Index. 17 August 2021. Retrieved 17 August 2021.
- ^ "Conway team to start Hammersmith Bridge stabilisation this month". The Construction Index. 14 February 2022. Retrieved 14 February 2022.
- ^ a b c "Hammersmith council backs double-deck bridge plan". The Construction Index. 13 October 2022. Retrieved 20 October 2022.
- ^ Neary, Hannah (14 July 2022). "Protective Heat Cover for Hammersmith Bridge To Avoid Closure: Structure swaddled in foil due to extreme temperatures". Chiswick W4. Retrieved 14 July 2022.
- ^ "Hammersmith Bridge wrapped in foil during heatwave". BBC News. 14 July 2022. Retrieved 15 July 2022.
- ^ a b "Temporary cycle lanes across Hammersmith Bridge open". London Borough of Hammersmith & Fulham. 7 February 2024. Retrieved 7 February 2024.
- ^ "Boat carrying football fans gets stuck under Hammersmith Bridge in London". BBC News. 11 December 2023. Retrieved 7 February 2024.
- ^ "Hammersmith Bridge: Cost of repairs more than doubles". BBC News. 18 January 2024. Retrieved 3 February 2024.
- ^ "Sadiq Khan intervenes in Hammersmith bridge saga: 'I want it reopened for cars'". Evening Standard. 19 January 2024. Retrieved 3 February 2024.
- ^ "New Pedestrian and Cycle Lanes Open on Hammersmith Bridge". Chiswick W4. 18 April 2025. Retrieved 21 April 2025.
- ^ "Hammersmith Bridge – Part Four". skydive.ru. Archived from the original on 1 February 2015. Retrieved 22 July 2014.
Sources
- Weinreb, Ben; Hibbert, Christopher; Keay, Julia; Keay, John (2008). The London Encyclopedia. Macmillan. ISBN 978-1-4050-4924-5.
External links
[edit]- London Transport Museum Photographic Archive
- Hammersmith Bridge (1827) at Structurae
- Hammersmith Bridge (1887) at Structurae
- London Landscape TV episode (6 mins) about Hammersmith Bridge
- Information and updates about the 2019 closure of Hammersmith Bridge, and proposals to keep it car-free
- Proposal for floating-pontoon ferry
Hammersmith Bridge
View on GrokipediaOrigins and Early History
Proposal and First Bridge Construction (1820s)
In the early 1820s, the expanding populations of Hammersmith and Barnes necessitated a direct crossing of the River Thames, as existing ferries proved insufficient for growing traffic volumes and detours to Putney or Kew Bridges were increasingly impractical.[4] Local interests, recognizing the economic benefits of improved connectivity, promoted legislation to authorize a new toll bridge. This effort culminated in the Hammersmith Bridge Act 1824, which received royal assent on 9 June 1824 and established the Hammersmith Bridge Company to finance and construct the structure.[5][4] The company appointed civil engineer William Tierney Clark to design the bridge, who proposed an innovative iron suspension structure—the first of its kind spanning the Thames—to minimize the number of river piers required and reduce construction costs compared to traditional masonry arches.[2][6] Iron chains for the suspension were supplied by Captain Samuel Brown, a pioneer in wrought-iron applications for bridges.[6] Construction began in 1824, with the foundation stone laid on 7 May 1825 by the Duke of Sussex.[7] The bridge, featuring a main span of approximately 422 feet supported by 16 iron chains, was completed and opened to traffic on 6 October 1827 at a total cost of £80,000, funded through shares and toll revenues.[7][8] This pioneering design demonstrated the viability of suspension bridges for major waterways, influencing subsequent Thames crossings.[2]Operation and Initial Structural Challenges
The original Hammersmith Bridge, designed by William Tierney Clark, opened to the public on 6 October 1827 as the first suspension bridge spanning the River Thames, with a central span of 422 feet (129 metres) supported by wrought-iron eye-bar chains.[7][2] Operated as a privately owned toll bridge under the Hammersmith Bridge Company, it facilitated crossings for pedestrians, equestrians, and vehicles, with tolls collected at a toll house on the Hammersmith side; initial rates included one penny for foot passengers and higher fees for carriages and livestock, generating revenue to service the £80,000 construction cost.[8][7] The bridge rapidly gained popularity for its elegant design and convenience, serving daily commuter traffic between Hammersmith and Barnes while becoming a vantage point for riverside events, including the inaugural Oxford-Cambridge Boat Race segments passing beneath it starting in 1829.[9] Early operational challenges arose from the suspension structure's inherent flexibility, manifesting as noticeable swaying under uneven or heavy loads, particularly during peak usage. Crowds gathering for boat races and other spectacles exacerbated this, with reports of alarming oscillations prompting public concern and temporary restrictions as early as the 1830s, though no immediate collapses occurred.[9][10] An inspection by prominent engineer Thomas Telford shortly after opening deemed the bridge "highly satisfactory," yet by the 1850s, growing traffic volumes revealed design limitations, including potential fatigue in the iron chains and inadequate stiffness for sustained loads beyond pedestrians and light carriages.[2] These issues underscored the pioneering yet unproven nature of suspension technology for urban Thames crossings, foreshadowing the need for reinforcements and ultimately replacement, though the bridge remained in service for over five decades with periodic maintenance.[2]Reconstruction and Victorian Era
Necessity for Replacement
By the 1870s, the original Hammersmith Bridge, a wrought-iron chain suspension structure completed in 1827 and designed by William Tierney Clark, proved inadequate for the escalating demands of Victorian-era traffic. Rapid population growth in west London, fueled by industrial expansion and suburban development after the 1860s, resulted in heavier and more frequent use by pedestrians, horse-drawn omnibuses, and carriages, exceeding the bridge's original load-bearing capacity of approximately 200 tons.[11][12] A critical incident occurred on 14 April 1870 during the Oxford-Cambridge boat race, when an estimated 11,000 to 12,000 spectators crowded the bridge, causing pronounced swaying and alarming the owners with visible strain on the suspension chains and hangers.[13] Subsequent inspections in 1870 confirmed the structure's unsafety under heavy loads, prompting temporary closures, weight restrictions, and roadway repairs to mitigate disintegration and oscillation.[11] These recurring issues—stemming from the bridge's lightweight design suited for early 19th-century volumes but vulnerable to dynamic loads and fatigue in chains—necessitated a full replacement rather than piecemeal fixes. The Metropolitan Board of Works, under engineer Sir Joseph Bazalgette, initiated reconstruction in 1884, retaining the existing pier foundations while demolishing the superstructure to erect a more robust cast-iron and steel girder bridge capable of supporting modern traffic weights up to several times the original's limit.[11][12] The project, completed and opened in 1887, addressed causal factors like material fatigue and insufficient stiffness inherent to early suspension designs, preventing potential collapse amid London's burgeoning transport needs.[14]Design and Engineering by Joseph Bazalgette
Sir Joseph Bazalgette, chief engineer of the Metropolitan Board of Works, designed the reconstructed Hammersmith Bridge as a suspension structure to address the inadequacies of the 1827 original, which suffered from excessive deflection under growing traffic loads and pedestrian crowds.[2] Construction began in 1884, utilizing the existing piers and abutments to minimize disruption, and the bridge opened on June 18, 1887, after being built by contractors Dixon, Appleby and Thorne.[2] [15] The design retained a chain suspension configuration but incorporated enhancements for greater capacity, including a roadway width of 43 feet (13 meters)—significantly broader than its predecessor—to accommodate omnibuses and heavier vehicles.[7] [16] The total length spans 700 feet (213 meters), with a main span of 400 feet (122 meters) supported by two independent eyebar catenaries per side, featuring upset-type eyebars for improved tensile strength and eye rod suspenders connected by short eyebars.[2] Materials emphasized durability, with wrought-iron girders and chains, mild steel links, and approximately 1,000 tons of steel alongside wrought iron elements; piers were concrete-clad in Portland stone, while ornamental cast-iron casings adorned the structure.[2] [16] [1] Engineering innovations focused on stability and aesthetics, including ornate Victorian towers at the anchorages and decorative lattice railings with star motifs, painted in green and gold as specified in Bazalgette's early 1880s plans.[2] [15] The project cost £82,117, reflecting the use of advanced wrought-iron fabrication techniques amid the transition to steel in bridge construction.[7] This reconstruction exemplified Bazalgette's practical approach, prioritizing load-bearing enhancements over radical redesign while preserving the site's navigational clearance over the Thames.[15]Opening and Early Usage
The Hammersmith Bridge, redesigned by civil engineer Sir Joseph Bazalgette as a wrought-iron suspension structure, was officially opened on 11 June 1887 by Albert Edward, Prince of Wales (later King Edward VII), who was accompanied by his son, Prince Albert Victor.[17][18] The bridge, constructed by contractors Dixon, Appleby & Thorne at a cost of approximately £71,500, replaced the failing 1827 suspension bridge on the same Thames crossing between Hammersmith and Barnes, incorporating retained piers from the original while featuring enhanced trusses and chains to handle increased loads.[2][7] The opening ceremony marked a significant public event, with the Prince of Wales performing the formal declaration amid local celebrations, reflecting the era's emphasis on infrastructural progress under the Metropolitan Board of Works.[19] Contemporary accounts noted the bridge's initial aesthetic appeal, including its painted finish, which contrasted with the utilitarian ironwork and ornamental lamps.[1] In its early years of operation from 1887 onward, the bridge served primarily as a vital artery for pedestrian, equestrian, and horse-drawn vehicular traffic, bridging the growing suburban areas of west London and facilitating commerce, daily commutes, and access to riverside paths without the detours previously required via Putney or Kew bridges. Unlike its predecessor, which had imposed tolls until their abolition in 1880 under the Metropolis Toll Bridges Act, the new publicly funded structure operated toll-free, encouraging higher usage volumes as London's population expanded.[20] No immediate structural failures were reported, allowing steady integration into local transport patterns through the late 19th century, though it soon accommodated emerging bicycles and early omnibuses amid rising Thames-side development.[17]20th Century Events and Modifications
Key Incidents and Adaptations
In the early 20th century, Hammersmith Bridge faced growing stresses from the rise of motorized vehicles, including trams and buses, which exceeded the original design loads intended primarily for pedestrian, horse-drawn, and light traffic use. By the 1920s, routine inspections noted initial signs of fatigue in the suspension chains and deck, prompting minor reinforcements to the anchorages and periodic resurfacing to mitigate wear from heavier axle loads. These adaptations included the installation of basic weight limits for commercial vehicles, though enforcement was inconsistent amid London's expanding urban traffic.[17] A significant incident occurred on December 27, 1919, when Lieutenant Charles Campbell Wood attempted suicide by jumping from the bridge into the Thames but survived after being rescued by a passing boat, highlighting the structure's role as a site for personal tragedies amid its daily pedestrian and vehicular crossings. Such events underscored the bridge's prominence but did not prompt major structural changes at the time. Ongoing overloading from buses and lorries continued to cause incremental damage, including localized cracking in the wrought-iron chains and deflection in the deck, necessitating annual maintenance budgets from the London County Council to replace worn hangers and apply protective coatings against corrosion exacerbated by Thames humidity.[10] The most substantial adaptation came during the 1973–1977 refurbishment, commissioned by the Greater London Council to address cumulative fatigue and extend the bridge's service life by at least 15 years. Engineers replaced outdated stiffening trusses with modern steel ones to reduce oscillations under wind and traffic loads, upgraded mid-span hanger articulations for better load distribution, installed new deck expansion joints to accommodate thermal movement, and applied comprehensive waterproofing to the roadway to prevent rust in the underlying components. This work, costing approximately £1.5 million (equivalent to about £12 million in 2023 terms), temporarily restored capacity for standard vehicular traffic but revealed underlying vulnerabilities in the cast-iron pedestals, which were not fully addressed due to heritage preservation constraints.[17][21] From 1977 to 1996, the bridge required persistent repairs for damage attributed to overloading, including reinforcement of deck supports and chain inspections revealing micro-fractures from repeated stress cycles beyond the original 1887 engineering tolerances. A principal inspection in 1996 confirmed the structure could no longer safely support 7.5-tonne vehicles in combination with pedestrian loads, leading to preemptive restrictions on heavier goods traffic and foreshadowing future limitations. These measures reflected causal factors like deferred maintenance and escalating urban demands, rather than isolated failures, with data from load tests indicating deck deflections up to 10% beyond allowable limits under peak conditions.[17][22]Impact of World Wars and IRA Bombings
During the First World War, Hammersmith Bridge experienced no documented structural damage or significant operational disruptions attributable to military activities.[17] In the Second World War, the bridge sustained minor damage from Luftwaffe bombing campaigns. A 50 kg high-explosive bomb penetrated the roadway at the south end, falling onto the adjacent tow-path and causing slight structural harm, though no major collapse or long-term closure resulted.[23] The surrounding Hammersmith and Fulham borough endured heavy Blitz attacks, with 419 high-explosive bombs recorded between October 1940 and June 1941, contributing to localized disruptions but not rendering the bridge unusable.[24] For defensive purposes, the bridge was painted grey to reduce visibility from the air, a measure applied to many Thames crossings during the conflict.[25] Hammersmith Bridge has been targeted three times by Irish republican paramilitary groups, reflecting its status as a symbolic and strategic infrastructure link across the Thames. The first attack occurred on 29 March 1939, when the IRA detonated a bomb during their S-Plan sabotage campaign against Britain; the explosion damaged a pylon and nearby structures, but a second live device was defused by bomb disposal experts, limiting further harm.[26] [27] On 26 April 1996, the Provisional IRA planted two large Semtex devices at a substation beneath a south-side walkway, but the plot failed to cause extensive destruction, with the bombs either partially malfunctioning or being neutralized before full detonation.[27] [28] The most recent incident took place at 4:30 a.m. on 1 June 2000, when the Real IRA exploded a small device under the Barnes-side span, inflicting damage that necessitated a two-year closure for repairs and highlighting ongoing vulnerabilities in the bridge's aging wrought-iron framework.[29] [17] These attacks collectively required targeted reinforcements and inspections, exacerbating wear on the 1887 structure without precipitating total failure.[30]Design and Technical Specifications
Architectural Features and Materials
The current Hammersmith Bridge, reconstructed between 1884 and 1887 under the design of civil engineer Sir Joseph Bazalgette, is a wrought-iron suspension bridge characterized by its ornate Victorian aesthetic.[14] It spans 250.5 meters in total length and 13.1 meters in width, with a carriageway of 8.2 meters, featuring three main spans supported by stone piers from the original 1827 structure.[14] [2] Primary materials include wrought iron for the girders, parapets, and skeletal framework of the towers; mild steel for the chain links forming the suspension catenaries; cast iron for ornamental cladding and decorative elements; and Portland stone cladding over the piers and abutments.[14] [2] The original construction incorporated nearly 1,000 tons of wrought iron and steel, emphasizing durability through riveted joints and eyebar linkages.[16] The bridge's deck historically featured timber elements, though later modifications introduced concrete and steel reinforcements.[14] Architectural highlights include monumental towers with skeletal wrought-iron frameworks clad in ornate cast iron, topped by decorative cupolas and adorned with heraldic motifs such as the Royal Arms and emblems of Guildford, Colchester, Kent, London, and Westminster.[14] [2] These towers rest on squat, clustered Doric columns, while decorative iron blocks support the walkways and cross-beams provide structural bracing.[14] Wrought-iron lattice parapets, retaining original designs with star-shaped motifs, line the edges, painted in Bazalgette's specified dark green and gold scheme to accentuate gilded castings.[14] [2] Anchorages, rebuilt for enhanced strength, feature imposing masonry blocks, contributing to the bridge's grandeur as one of the Thames' most elaborately decorated crossings.[14]Engineering Principles and Innovations
Hammersmith Bridge employs the principles of a chain suspension bridge, where the primary load is transferred through linked chains to support towers and anchorages, minimizing material use for long spans while distributing tensile forces efficiently. The structure features a central span of 400 feet flanked by side spans of 145 and 143 feet, with the deck suspended by vertical hangers from twin ranks of flat steel-link chains, each comprising 8 to 9 links side by side connected by 6-inch-diameter pins.[16] Longitudinal stiffening girders and trusses along the deck prevent excessive deflection and oscillation under live loads, a critical innovation for stability in suspension designs prone to dynamic responses from traffic and wind.[31][32] The towers, rising 40 feet above the roadway, consist of riveted wrought-iron lattice frames clad in ornamental cast-iron panels, providing both structural rigidity and aesthetic embellishment characteristic of Victorian engineering.[33][16] Chains are supported by cast-iron pedestals and deviate through saddles mounted on rollers to accommodate thermal expansion and contraction, reducing stress concentrations that plagued earlier suspension bridges like the original 1827 design.[34] Anchors employ 13-inch-diameter, 18-foot-long steel forgings embedded in concrete abutments, ensuring secure termination of the tensile forces.[16] Innovations in Joseph Bazalgette's 1887 design included the adoption of high-strength steel for the chains—nearly 1,000 tons tested to 30 tons per square inch—offering superior uniformity and tensile capacity over the wrought-iron chains of predecessor bridges, which suffered from elongation and fatigue.[16] The deck integrates a timber roadway on cross-girders with cantilever wrought-iron beams supporting footways, combining durability with the era's material expertise, while reusing the original piers strengthened for enhanced load-bearing.[32] This hybrid approach balanced economy, strength, and ornamentation, exemplifying causal engineering realism by addressing observed failures in prior Thames crossings through targeted material upgrades and refined load-path geometry.[16][33]Maintenance History and Long-Term Issues
Pre-21st Century Repairs
The wrought-iron suspension bridge, completed in 1887, initially required only routine maintenance to manage corrosion and fatigue from pedestrian and light vehicular traffic, as its design incorporated robust pedestals and chains intended for the era's loads. However, by the early 20th century, growing motor vehicle usage prompted informal weight restrictions, though no major structural overhauls were recorded until later incidents.[17] In April 1939, the Irish Republican Army detonated a bomb on the bridge, causing localized damage without injuries but necessitating a three-week closure for inspection and repairs to affected railings and deck sections.[15][17] This event highlighted vulnerabilities in the bridge's exposed components, leading to enhanced security measures alongside basic restorative work. The principal pre-21st-century intervention spanned 1973 to 1977, involving comprehensive strengthening by the Greater London Council: steel stiffening trusses were replaced, mid-span hanger articulations improved for better load distribution, tower-top pinions renewed, and the roadway resurfaced from wooden blocks to asphalt to reduce vibration and wear. These efforts, costing an estimated several million pounds (adjusted for inflation), were projected to extend the structure's viability by at least 15 years amid escalating heavy traffic.[17][2] Despite these upgrades, underlying issues like pedestal cracking from differential settlement persisted, foreshadowing future challenges.[22]Underlying Causes of Deterioration
The deterioration of Hammersmith Bridge, constructed in 1887 using wrought iron suspension chains encased in cast iron pedestals, stems primarily from long-term corrosion that compromised the structural integrity of these materials.[1] Wrought iron, while flexible under tension, is vulnerable to rusting in the damp, saline environment of the River Thames, leading to progressive weakening of the chains over decades.[35] Cast iron pedestals, which support the chain saddles, proved particularly susceptible due to their inherent brittleness, developing micro-fractures from internal stresses once corrosion had eroded protective layers.[36] Environmental factors amplified material degradation, including exposure to tidal river currents, humidity, and thermal expansion cycles that induced fatigue in the iron components.[37] Seized rollers between the pedestal tops and chain saddles, a mechanical failure linked to corrosion buildup, redistributed loads unevenly, initiating cracks as early as the late 20th century but unchecked until advanced diagnostics in 2019.[35] Heatwaves, such as the one in July 2020, exacerbated these issues by causing differential expansion in the corroded iron, widening existing fractures despite temporary cooling measures on the footings.[36][1] Increased mechanical demands from post-1887 traffic evolution further strained the original design, which accommodated lighter pedestrian and horse-drawn loads rather than modern vehicular weights exceeding contemporary design codes.[38] Vibrations from heavy road and pedestrian traffic induced cyclic stressing on the brittle cast iron, accelerating crack propagation in the pedestal casings.[39] Inadequate historical maintenance allowed corrosion to accumulate without intervention, as routine inspections failed to detect subsurface degradation until non-destructive testing revealed a network of fractures throughout the suspension system.[1][40] These causal factors interact synergistically: corrosion reduced material ductility, enabling vibrations and thermal loads to exploit weaknesses inherent to the bridge's Victorian-era materials and configuration, which lacked modern corrosion-resistant coatings or redundant load paths.[41] While no single design flaw by engineer Joseph Bazalgette is cited as primary, the reliance on unprotected ferrous metals in a corrosive riverside setting, combined with evolving usage, rendered the structure progressively unfit without proactive preservation.[35][42]21st Century Closures and Repair Efforts
2019 Discovery and Full Closure
In April 2019, specialist engineers from the London Borough of Hammersmith and Fulham employed advanced ultrasound sensors to inspect the bridge's cast iron pedestals, which support the suspension chains, revealing hairline micro-fractures that compromised structural integrity.[1][17] These fractures, located in the pedestals holding the suspension structure, posed an immediate risk of progressive failure under load, exacerbated by the bridge's age and prior undetected wear from traffic vibrations and environmental factors.[43] The discovery followed routine monitoring heightened by earlier minor issues, underscoring longstanding maintenance deficiencies in the 133-year-old wrought iron and cast iron components designed by Joseph Bazalgette.[44] On 10 April 2019, the council enacted an indefinite closure to all motorised traffic, including buses and cycles under motor use, to avert potential catastrophic collapse and enable urgent safety-critical assessments and stabilisation works.[17][43] This decision, endorsed by structural engineers, prioritised public safety over continued operation, as the fractures indicated vulnerability to dynamic loads from vehicles crossing the 400-foot span.[44] Pedestrians and non-motorised cyclists were initially permitted, though temporary full closures occurred later in 2019 for intensified inspections, such as in June when all users were barred amid urgent integrity checks.[22] The closure highlighted accountability issues, with the council attributing delays in prior repairs to central government funding shortfalls, while critics pointed to deferred maintenance under local oversight since the bridge's transfer from central authority in 1965.[44] Estimated initial stabilisation costs exceeded £20 million, drawn from council reserves, as no immediate national intervention materialised despite the bridge's Grade II* listing and role as a key Thames crossing.[43] This event marked the onset of protracted repairs, revealing the limitations of periodic inspections in detecting fatigue in Victorian-era suspension bridges subjected to modern traffic volumes exceeding design capacities.[1]Interim Measures, Partial Reopenings, and Delays (2020–2025)
Following the full closure of Hammersmith Bridge on 13 August 2020, prompted by the widening of micro-fractures in its cast-iron pedestals during a heatwave, the London Borough of Hammersmith and Fulham (LBHF) implemented interim safety measures including enhanced structural monitoring and temperature control systems to mitigate expansion risks.[1][43] These efforts, alongside initial stabilisation preparations, cost the council £48 million by 2025 in restoration and maintenance to prevent collapse while preserving the Grade II*-listed structure.[1] The bridge partially reopened to pedestrians and cyclists on 17 July 2021 after assessments confirmed safe limited use, restoring access for approximately 16,000 daily users who had relied on it prior to the full closure.[1][43] However, subsequent stabilisation works necessitated intermittent closures, with the phase commencing on 22 March 2022 to address pedestal vulnerabilities through temporary supports and reinforcements; delays arose from boat collisions and the need to refabricate steel components, pushing completion beyond initial targets into 2023.[43][1] In February 2024, a temporary cycle lane on the worn roadway reopened to cyclists, providing interim connectivity amid ongoing repairs funded partly by a £2.9 million Department for Transport (DfT) grant for resurfacing.[45] By April 2025, the main carriageway fully reopened to pedestrians, cyclists, wheelchair users, and e-scooters following completion of new decking under the same DfT funding, though motor vehicles remained prohibited due to unresolved strengthening needs.[46][47] Delays in full vehicular reopening persisted through 2025, attributed to the complexity of Phase 2 strengthening evaluations and funding shortfalls, with the Hammersmith Bridge Taskforce—established in September 2020 and paused in November 2021—reconvened in January 2025 under DfT oversight but yielding no firm timeline.[43] Local MP warnings in January 2025 highlighted potential closure to vehicles until 2035 absent accelerated national funding, such as the £1 billion Structures Fund announced in the 2025 Spending Review, underscoring engineering and fiscal hurdles over political expediency.[48][49]Current Status, Funding Debates, and Future Prospects
As of October 2025, Hammersmith Bridge remains closed to all motor vehicles, a restriction in place since April 2019 following the discovery of critical structural weaknesses.[43] The bridge is fully accessible to pedestrians, cyclists, wheelchair users, and e-scooter users along the resurfaced main carriageway, which reopened in April 2025 after safety upgrades funded by a £2.9 million grant from the Department for Transport (DfT).[1][50] These enhancements include dedicated cycle lanes, pedestrian paths, anti-terrorism measures, and fiber-reinforced concrete applications to bolster immediate stability.[50] River traffic beneath the bridge operates without interruption, while the overall closure to vehicular traffic has persisted for over 1,500 days, contributing to ongoing local disruptions.[51] Funding for repairs has been contentious, with the UK government providing approximately £13 million to the London Borough of Hammersmith and Fulham (LBHF) Council as of mid-2025, primarily for stabilization and interim works.[43] Parliamentary debates have highlighted disputes over cost-sharing, including calls for the council to cover a substantial portion—potentially £64 million—of the bill, amid arguments that local authorities bear primary responsibility for maintaining non-strategic bridges. LBHF has advocated for greater central government support, citing the bridge's historic and regional significance, while MP Fleur Anderson has pressed for national funding to address pollution and traffic issues exacerbated by the closure.[52] Recent allocations, such as the £2.9 million DfT grant, reflect incremental aid, but broader repair costs are estimated at £250 million, fueling debates on fiscal priorities and bureaucratic delays in securing comprehensive financing.[43][53] Future prospects hinge on the Hammersmith Bridge Taskforce's evaluations, which include options ranging from full restoration to partial repurposing or even demolition—though the latter was ruled out by the government in April 2025. Full vehicular reopening could extend to 2035 under current repair trajectories, with proposals like a "ribbon" structural reinforcement aiming to expedite restoration while preserving the Grade II*-listed design.[54][53] Hopes for accelerated progress rest on integration with the government's £1 billion National Structures Fund announced in the 2025 Spending Review, potentially offsetting local burdens, though taskforce deliberations continue without a firm timeline for vehicular access.[49][55] Preservation advocates emphasize the bridge's engineering heritage, arguing against alternatives like temporary or replacement structures that could undermine its cultural value, while critics point to protracted repairs as evidence of inefficient public spending.[56]
