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Shrewsbury Canal
The Shrewsbury Canal (or Shrewsbury and Newport Canal) was a canal in Shropshire, England. Authorised in 1793, the main line from Trench to Shrewsbury was fully open by 1797, but it remained isolated from the rest of the canal network until 1835, when the Birmingham and Liverpool Junction Canal built the Newport Branch from Norbury Junction to a new junction with the Shrewsbury Canal at Wappenshall. After ownership passed to a series of railway companies, the canal was officially abandoned in 1944; many sections have disappeared, though some bridges and other structures can still be found. There is an active campaign to preserve the remnants of the canal and to restore the Norbury to Shrewsbury line to navigation.
From 1768 several small canals were built in the area of what is now Telford. These canals carried tub boats. The first of these was the Donnington Wood Canal which opened in 1768, to be followed by the Wombridge Canal and the Ketley Canal, both opened in 1788, and the Shropshire Canal, which opened in 1791. The network linked Lilleshall and Pave Lane in the north to Coalbrookdale and Coalport in the south. Following a survey of the route by George Young from Worcester in 1792, an act of Parliament, the Shrewsbury Canal Act 1793 (33 Geo. 3. c. 113) was obtained in 1793 which authorised the creation of a canal to link the town of Shrewsbury with the east Shropshire canal network serving coal mines and ironworks around Oakengates, Ketley, Donnington Wood and Trench, nowadays part of the new town of Telford. The act authorised the raising of £50,000 in shares, and an additional £20,000 if necessary. This canal became the Shrewsbury Canal, and incorporated 1 mile 88 yards (1.690 km) of the Wombridge Canal, which were purchased for £840 from William Reynolds to provide access to the Donnington Wood Canal and the Shropshire Canal.
Josiah Clowes was appointed chief engineer, but died in 1795 part way through construction. He was succeeded by Thomas Telford, then just establishing himself as Shropshire's county surveyor and already engaged on the Ellesmere Canal slightly further north. The Ellesmere Canal was originally intended to connect Chester with Shrewsbury, but never reached the latter – it became the modern Llangollen Canal and Montgomery Canal.
One of Telford's first tasks was to build Longdon-on-Tern Aqueduct as a rebuild of a stone aqueduct over the River Tern at Longdon-on-Tern which had been built by Clowes but swept away by floods in February 1795. Telford's stonemason instincts initially led him to consider replacing the original structure with another stone-built aqueduct, but the heavy involvement of iron-masters in the Shrewsbury Canal Company, notably William Reynolds, led him to reconsider. Instead, it was rebuilt using a 62-yard (57 m) cast iron trough cast in sections at Reynolds' Ketley ironworks and bolted together in 1796. The main trough was 7 ft 6 in (2.29 m) wide and 4 ft 6 in (1.37 m) deep, with a narrower trough to one side which formed the towpath. The aqueduct was the world's first large-scale iron navigable aqueduct, though it was narrowly predated by a much smaller 44-foot-long (13 m) structure on the Derby Canal built by Benjamin Outram. The aqueduct still stands today, though it is isolated in the middle of a field. This successful use of an iron trough to contain the water of a navigable aqueduct casts the Tern aqueduct in the role of Telford's prototype for the much longer Pontcysyllte Aqueduct on the Llangollen Canal, where he mounted the iron trough on high masonry arches.
The Shrewsbury Canal was finally finished in 1797, being 17 miles (27 km) long, with 11 locks. At Trench an inclined plane was built, which was 223 yards (204 m) long and raised boats 75 feet (23 m) up to the Wombridge Canal, from where they could travel via the Shropshire Canal southwards to the River Severn at Coalport. The plane consisted of twin railway tracks, each of which held a cradle. Boats would be floated onto the cradles, which had larger wheels at the back to keep the boat level. A third set of wheels were mounted at the front, which ran on extra rails in the dock, to prevent the cradle tipping forwards as it ran over the top cill. The plane opened in 1794, and although it was partially counterbalanced, with loaded boats going down the plane pulling empty boats up, a steam engine was also provided, to pull the boats over the top cill. This and the rails were provided by Reynolds' Coalbrookdale Company. In 1840 the rails were replaced with edge rails, allowing the use of conventional flanged wheels on the cradles, and the engine was replaced in 1842, with a high pressure Cornish engine, again ordered from the Coalbrookdale Company. The plane continued to be used until 1921, making it the last operational plane in Britain.
The canal included a 970-yard (890 m) tunnel at Berwick, which was 10 feet (3.0 m) wide, but included a wooden towpath, supported by bearers which were attached to the wall. Clowes designed the tunnel, but the addition of a towpath was suggested by Reynolds. The towpath lasted until 1819, when it was removed. By 1904, there was a white line painted in the middle of the tunnel, and if boats travelling in opposite directions met in the tunnel, the one which had passed the mark had right of way.
The canal was originally built as a narrow canal intended for horse-drawn trains of tub boats which were 20 feet (6.1 m) long and no wider than 6 ft 4 in (1.93 m). However, in preparation for the Newport branch of the Birmingham and Liverpool Junction Canal to Wappenshall the section from there to Shrewsbury was surveyed in 1831 and subsequently widened to take standard 7-foot (2.1 m) narrow boats. The costs of widening the bridge holes and the Eyton locks proved to be expensive, and plans to widen the section from Wappenshall to Trench were abandoned. With the opening of the Newport Branch in 1835, the Shrewsbury Canal was no longer isolated from the rest of the national canal network. This heralded the canal's most profitable period, though it was short-lived. The branch linked Norbury Junction to Wappenshall Junction, passing through Newport, and included 23 locks.
In 1844 the Humber Arm was constructed. This short branch ran to Lubstree Wharf, which was owned by the Duke of Sutherland. Tramways ran from the end of the branch to various works owned by the Lilleshall Company, who shipped cargoes of pig iron, coal and limestone for use as a flux in the production of iron. Much of this trade had previously used the Donnington Wood Canal, but the new arm provided a more direct connection to the canal network, and the transfer of trade was a factor in the closure of the Donnington Wood Canal.
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Shrewsbury Canal
The Shrewsbury Canal (or Shrewsbury and Newport Canal) was a canal in Shropshire, England. Authorised in 1793, the main line from Trench to Shrewsbury was fully open by 1797, but it remained isolated from the rest of the canal network until 1835, when the Birmingham and Liverpool Junction Canal built the Newport Branch from Norbury Junction to a new junction with the Shrewsbury Canal at Wappenshall. After ownership passed to a series of railway companies, the canal was officially abandoned in 1944; many sections have disappeared, though some bridges and other structures can still be found. There is an active campaign to preserve the remnants of the canal and to restore the Norbury to Shrewsbury line to navigation.
From 1768 several small canals were built in the area of what is now Telford. These canals carried tub boats. The first of these was the Donnington Wood Canal which opened in 1768, to be followed by the Wombridge Canal and the Ketley Canal, both opened in 1788, and the Shropshire Canal, which opened in 1791. The network linked Lilleshall and Pave Lane in the north to Coalbrookdale and Coalport in the south. Following a survey of the route by George Young from Worcester in 1792, an act of Parliament, the Shrewsbury Canal Act 1793 (33 Geo. 3. c. 113) was obtained in 1793 which authorised the creation of a canal to link the town of Shrewsbury with the east Shropshire canal network serving coal mines and ironworks around Oakengates, Ketley, Donnington Wood and Trench, nowadays part of the new town of Telford. The act authorised the raising of £50,000 in shares, and an additional £20,000 if necessary. This canal became the Shrewsbury Canal, and incorporated 1 mile 88 yards (1.690 km) of the Wombridge Canal, which were purchased for £840 from William Reynolds to provide access to the Donnington Wood Canal and the Shropshire Canal.
Josiah Clowes was appointed chief engineer, but died in 1795 part way through construction. He was succeeded by Thomas Telford, then just establishing himself as Shropshire's county surveyor and already engaged on the Ellesmere Canal slightly further north. The Ellesmere Canal was originally intended to connect Chester with Shrewsbury, but never reached the latter – it became the modern Llangollen Canal and Montgomery Canal.
One of Telford's first tasks was to build Longdon-on-Tern Aqueduct as a rebuild of a stone aqueduct over the River Tern at Longdon-on-Tern which had been built by Clowes but swept away by floods in February 1795. Telford's stonemason instincts initially led him to consider replacing the original structure with another stone-built aqueduct, but the heavy involvement of iron-masters in the Shrewsbury Canal Company, notably William Reynolds, led him to reconsider. Instead, it was rebuilt using a 62-yard (57 m) cast iron trough cast in sections at Reynolds' Ketley ironworks and bolted together in 1796. The main trough was 7 ft 6 in (2.29 m) wide and 4 ft 6 in (1.37 m) deep, with a narrower trough to one side which formed the towpath. The aqueduct was the world's first large-scale iron navigable aqueduct, though it was narrowly predated by a much smaller 44-foot-long (13 m) structure on the Derby Canal built by Benjamin Outram. The aqueduct still stands today, though it is isolated in the middle of a field. This successful use of an iron trough to contain the water of a navigable aqueduct casts the Tern aqueduct in the role of Telford's prototype for the much longer Pontcysyllte Aqueduct on the Llangollen Canal, where he mounted the iron trough on high masonry arches.
The Shrewsbury Canal was finally finished in 1797, being 17 miles (27 km) long, with 11 locks. At Trench an inclined plane was built, which was 223 yards (204 m) long and raised boats 75 feet (23 m) up to the Wombridge Canal, from where they could travel via the Shropshire Canal southwards to the River Severn at Coalport. The plane consisted of twin railway tracks, each of which held a cradle. Boats would be floated onto the cradles, which had larger wheels at the back to keep the boat level. A third set of wheels were mounted at the front, which ran on extra rails in the dock, to prevent the cradle tipping forwards as it ran over the top cill. The plane opened in 1794, and although it was partially counterbalanced, with loaded boats going down the plane pulling empty boats up, a steam engine was also provided, to pull the boats over the top cill. This and the rails were provided by Reynolds' Coalbrookdale Company. In 1840 the rails were replaced with edge rails, allowing the use of conventional flanged wheels on the cradles, and the engine was replaced in 1842, with a high pressure Cornish engine, again ordered from the Coalbrookdale Company. The plane continued to be used until 1921, making it the last operational plane in Britain.
The canal included a 970-yard (890 m) tunnel at Berwick, which was 10 feet (3.0 m) wide, but included a wooden towpath, supported by bearers which were attached to the wall. Clowes designed the tunnel, but the addition of a towpath was suggested by Reynolds. The towpath lasted until 1819, when it was removed. By 1904, there was a white line painted in the middle of the tunnel, and if boats travelling in opposite directions met in the tunnel, the one which had passed the mark had right of way.
The canal was originally built as a narrow canal intended for horse-drawn trains of tub boats which were 20 feet (6.1 m) long and no wider than 6 ft 4 in (1.93 m). However, in preparation for the Newport branch of the Birmingham and Liverpool Junction Canal to Wappenshall the section from there to Shrewsbury was surveyed in 1831 and subsequently widened to take standard 7-foot (2.1 m) narrow boats. The costs of widening the bridge holes and the Eyton locks proved to be expensive, and plans to widen the section from Wappenshall to Trench were abandoned. With the opening of the Newport Branch in 1835, the Shrewsbury Canal was no longer isolated from the rest of the national canal network. This heralded the canal's most profitable period, though it was short-lived. The branch linked Norbury Junction to Wappenshall Junction, passing through Newport, and included 23 locks.
In 1844 the Humber Arm was constructed. This short branch ran to Lubstree Wharf, which was owned by the Duke of Sutherland. Tramways ran from the end of the branch to various works owned by the Lilleshall Company, who shipped cargoes of pig iron, coal and limestone for use as a flux in the production of iron. Much of this trade had previously used the Donnington Wood Canal, but the new arm provided a more direct connection to the canal network, and the transfer of trade was a factor in the closure of the Donnington Wood Canal.
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