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Banpo Bridge
Banpo Bridge
Banpo Bridge
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The Banpo Bridge (Korean: 반포대교) is a major bridge for vehicular traffic over the Han River in central Seoul, South Korea. It is a double-decked bridge, and is above the pedestrian Jamsu Bridge.[5]

Key Information

The bridge is a popular tourist attraction, and is known for its daily Moonlight Rainbow Fountain and light shows between April and October. As of 2024, the bridge holds the Guinness World Record for longest fountain bridge in the world.[6] It is centrally located in Seoul, and accessible via public transportation.

Description

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The bridge is situated over the Han River, and connects Seobinggo-dong in Yongsan District with Banpo-dong in Seocho District.[7] It is 25 m (82 ft) wide and 1,495 m (4,905 ft) long.[1][7]

The bridge is intended for vehicular traffic. It is the first double deck bridge built in South Korea.[5] It is also a major landmark of the city and attracts both locals and tourists.[8]

Moonlight Rainbow Fountain

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Since April 2009, the bridge has had a fountain off its west side called Moonlight Rainbow Fountain (달빛무지개분수).[9] On November 7, 2008, the bridge was awarded the Guinness World Record for longest fountain bridge in the world.[6] The bridge has 38 water pumps and 380 nozzles installed. It also has speakers, lights, and projectors.[9]

Five to six times per day from April to October, the fountain has a 20 minute water and light show. This occurs only if there is good weather. It has projectors that can display images on the water.[9][10] The show is set to music that includes various popular South Korean and international songs. The set list is available online.[9] Additionally, Banpo Hangang Park organizes the "Moonlight Square Cultural Weekend" every Saturday from 7:00 to 8:30 p.m. between May and October. This event showcases a range of musical genres, including classical music with commentary, a cappella, popera, jazz, brass bands, and orchestras.[citation needed]

Jamsu Bridge

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Beneath Banpo Bridge is the pedestrian Jamsu Bridge. It is 18 m (59 ft) wide and 795 m (2,608 ft) long. During periods of high rainfall, the Jamsu Bridge is designed to submerge as the water level of the river rises, as the lower deck lies close to the waterline.[11]

It often hosts cultural events such as a yearly fall market with live music and food trucks.[citation needed]

History

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The lower Jamsu Bridge was completed in 1979, before Banpo Bridge.[7] Banpo Bridge began construction on August 11, 1980 and was completed in November 1982.[12] It cost W22 billion to build (US$20 million).[citation needed] Its construction was intended to reduce traffic load on the Hangang Bridge.[7]

Jamsu Bridge was made into an elevated arch shape in 1986, in order to accommodate tourist cruise ships passing underneath it.[7]

The bridge went under repairs from December 30, 1994 to June 30, 1996.[5] It underwent more repairs from December 1998 to 2002. From October 2003 and 2005, it was repaved.[7]

[edit]
  • View from the side of the bridge (2014)
    View from the side of the bridge (2014)
  • View of the bridge from the water at night (2009)
    View of the bridge from the water at night (2009)

References

[edit]
[edit]
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Banpo Bridge

View on Grokipedia
from Grokipedia
The Banpo Bridge (반포대교) is a prominent double-decker spanning the Han River in , , connecting the to the north with the (Banpo-dong) to the south. Construction of the bridge began on January 11, 1980, and it was completed on June 25, 1982, making it the first two-story bridge in the country, with the upper deck dedicated to vehicular traffic and built atop the existing lower-level Jamsu Bridge finished in 1976. The structure measures approximately 1,495 meters in total length, carrying over 100,000 vehicles daily and facilitating crucial east-west transportation across the river. What elevates Banpo Bridge to international fame is the Moonlight Rainbow Fountain (also known as the Banpo Bridge Rainbow Fountain), installed on its lower edges in 2008 under the initiative of then-Seoul Mayor to enhance the city's aesthetic appeal. This innovative water feature spans 1,140 meters across both sides of the bridge—earning it a in 2008 as the longest bridge fountain globally—and employs 380 nozzles to propel Han River water up to 20 meters high in synchronized, rainbow-colored jets illuminated by 200 lights, performing to music during evening shows from April to October. The fountain serves as a major tourist attraction, attracting large crowds for its mesmerizing displays visible from nearby Banpo Hangang Park, and symbolizes Seoul's blend of modern engineering and cultural vibrancy.

Location and Design

Physical Dimensions and Layout

The Banpo Bridge spans the Han River in central , measuring 1,495 meters in total length and 25 meters in width. It connects Seobinggo-dong in on the northern bank to Banpo-dong in on the southern bank, facilitating cross-river vehicular movement as part of the city's extensive Han River bridge network. As South Korea's first double-decked vehicular bridge, its design incorporates an upper deck for general urban and a lower deck reserved for expressway vehicles, optimizing vertical space over the . This layered configuration enhances capacity without expanding the horizontal footprint, allowing efficient integration into Seoul's dense . As of 2025, the lower deck (Jamsu Bridge) remains in use for vehicular , including as part of the Olympic Expressway, though Seoul city plans to transform it into a car-free pedestrian bridge by 2026. The bridge connects directly to Banpo Hangang Park on the southern side, where pedestrian pathways and recreational facilities link seamlessly to its approaches, supporting both transportation and leisure activities along the riverfront. It also integrates with upstream bridges like the Hangang Bridge to distribute traffic flow and alleviate congestion in the region. In terms of capacity, the bridge accommodated a daily volume of approximately 103,925 vehicles in 2009, according to from the Korean Ministry of Construction and Transportation, with later assessments indicating a total average daily of around 162,869 vehicles across its six lanes.

Engineering and Construction Methods

The Banpo Bridge is a spanning the Han River in , , engineered as the upper level of a double-deck structure to facilitate vehicular across the waterway. Construction of the bridge commenced on January 11, 1980, and concluded on June 25, 1982, marking it as one of the early major projects in the city's expansion. The project was undertaken by Byucksan Engineering & Construction Company, Ltd., following design principles aimed at efficient load distribution for the multi-level configuration. The bridge employs steel box girders combined with a deck, providing structural integrity for the double-deck setup while accommodating the dynamic loads of urban traffic. This approach enhances durability and allows for the integration with the underlying Jamsu Bridge to form a cohesive crossing system. Piers were positioned and elevated to ensure sufficient clearance for river navigation, supporting the bridge's role in alleviating congestion on nearby spans like the Hangang Bridge.

Associated Features

Jamsu Bridge

The Jamsu Bridge is a submersible structure spanning the Han River in , , measuring 795 meters in length and 18 meters in width. Completed in 1976, it was engineered as a low-height bridge to facilitate submersion during floods, addressing the city's vulnerability to heavy rainfall along the river. This design prioritized flood prevention by allowing water to flow over the deck when necessary, a critical feature in 's urban planning during the rapid development era. The bridge's submersible mechanism relies on narrow piers that minimize water resistance, enabling the structure to sink partially during high rainfall events and thereby prevent upstream flooding. This innovative approach integrated flood control directly into the bridge's architecture, reflecting early considerations for environmental resilience in Han River infrastructure. Following the construction of the Banpo Bridge above it, the middle section of Jamsu Bridge was converted into an arch structure to accommodate the passage of cruise ships and other large vessels beneath it. Historically used for vehicular , including vehicles in its early years, Jamsu Bridge has since shifted toward prioritization, serving as a key walkway connecting Banpo Hangang Park on the Seocho-gu side to Ichon Hangang Park in Yongsan-gu. This evolution has enhanced its role in promoting riverside recreation and connectivity, with the lower deck integrated closely with the upper decks of the Banpo Bridge for seamless access. Ongoing initiatives further emphasize its function through car-free events and cultural programming, including a 2023 international competition won by Arch Mist to transform it into the world's longest outdoor and theater, with beginning in 2025 and expected completion by 2026.

Moonlight Rainbow Fountain

The Moonlight Rainbow Fountain, first operated in 2008 and earning a for the longest bridge fountain on November 7, 2008, was fully installed on the Banpo Bridge in 2009, featuring 38 pumps and 380 nozzles that span 1,140 meters across both sides of the structure. The system draws water directly from the Han River below, projecting it up to 20 meters high through synchronized jets, while 200 LED lights create colorful illuminations. The fountain's performances are synchronized with music and light projections, running 5 to 6 times daily for approximately 20 minutes each from April 1 to 31. These seasonal operations include a midday show and multiple evening displays, with the water jets forming dynamic patterns that extend horizontally up to 43 meters before cascading back to the river. Annual maintenance is handled by the Seoul Metropolitan Hangang Project Headquarters to ensure reliable performance during the operational period. Over time, the shows have evolved to include themed performances, such as varying programs for daytime and nighttime audiences that incorporate different musical selections and visual effects. The fountain integrates with events at , including the Square Cultural Weekend held every Saturday from May to October between 7:00 p.m. and 8:30 p.m., enhancing the overall visitor experience with complementary cultural activities. Mounted along the bridge's sides, the fountain is designed for optimal visibility from adjacent parks.

History

Construction and Early Development

The Jamsu Bridge, forming the foundational lower deck of the Banpo-Jamsu complex, had its groundbreaking in September 1975 and was completed on July 15, 1976, as an integral component of the Han River development efforts to bolster for Seoul's expanding urban landscape. Planning for the Banpo Bridge emerged in the late , driven by the need to accommodate surging traffic volumes amid the southward expansion of Seoul's residential and commercial zones. This initiative aligned with broader strategies to alleviate congestion on existing Han River crossings and support the city's accelerating industrialization, which saw exceed 200% from the early to late . The Banpo Bridge opened on June 25, 1982, following construction that began in 1980, with ceremonies underscoring its vital contribution to north-south urban linkages during Seoul's economic boom. Initial public reception emphasized its efficiency in easing daily commutes and fostering . From the outset, the bridge complex incorporated designs for seamless connection to nascent Han River parks, enabling pedestrian and recreational access that complemented its transportation function within the evolving riverfront environment of the .

Repairs and Modifications

Following the Seongsu Bridge collapse in October 1994, which highlighted vulnerabilities in Seoul's bridge infrastructure due to and inadequate , the Banpo Bridge underwent emergency repairs and reinforcements from March 1995 to October 1996. These works focused on critical components such as bearing devices and structural elements to mitigate wear and ensure safety, as identified through joint expert inspections mandated by city authorities. Subsequent maintenance efforts from December 1998 to 2002 addressed ongoing deterioration from environmental exposure and increased vehicular loads, involving comprehensive upkeep and strengthening of the bridge's framework. This phase was overseen by the Seoul Construction Safety Management Headquarters and included upgrades to enhance durability against daily stresses. A dedicated repaving project ran from October 2003 to September 2005, targeting crack repairs and roadway resurfacing to bolster and extend service life amid rising urban traffic demands. These interventions prioritized non-disruptive techniques where possible, though they temporarily affected peak-hour flows across the Han River corridor. The lower Jamsu Bridge component received a key structural modification in 1986 ahead of the , when its central section was reshaped into an elevated arch to permit passage of tourist cruise ships and larger vessels beneath it. This adjustment, which replaced earlier hydraulic submersion features, incorporated curved elevations for improved navigational clearance while preserving the overall double-decker configuration. Seoul Metropolitan Government maintains routine protocols for the Banpo Bridge, encompassing periodic safety diagnostics, corrosion monitoring, and seismic reinforcements as part of a broader initiative for pre-1996 Han River spans. By , reinforcements elevated the bridge to Seismic Grade 1, capable of withstanding intensity 7-8 earthquakes with minimal structural damage, through measures like bearing replacements and enhancements implemented from 2006 onward.

Significance and Recent Developments

Transportation and Cultural Role

The Banpo Bridge serves as a critical component of Seoul's Han River bridge system, facilitating vehicular traffic between the central on the north bank and the bustling on the south bank, thereby supporting the flow of commuters and goods essential to the city's economic vitality. As one of the 28 bridges spanning the Han River, it primarily accommodates bidirectional road traffic on its upper deck, connecting key urban areas that drive Seoul's commercial and financial activities, including the high-density business hubs in . This linkage has historically alleviated congestion in the capital's core transport network, enabling efficient movement that underpins daily economic operations across the metropolis. The bridge's Moonlight Rainbow Fountain has transformed it into a premier , drawing millions of visitors annually to its synchronized water, light, and displays from to , which significantly boosts the local economy through increased patronage at nearby Hangang Park, cultural events, and splasherside amenities. In 2023 alone, over 2 million people attended the Car-Free Jamsugyo Bridge , where the fountain served as a central highlight, contributing to and fostering community gatherings that enhance 's vibrant . As a symbol of modern , the bridge frequently appears in media portrayals, international festivals, and as a nighttime illuminated by 10,000 LED lights, while its proximity to public transit hubs like Express Bus Terminal Station (Lines 3, 7, and 9) and Sinbanpo Station (Line 9) ensures seamless access for both locals and visitors. Environmentally, the integrated Jamsu Bridge—its lower, submersible deck beneath —plays a vital role in flood management by allowing submersion during high water levels, which prevents backups in the Han River and protects surrounding urban infrastructure while preserving the river's ecological balance. This design accommodates natural water flow during heavy rains, mitigating risks in a densely developed area and supporting broader efforts to harmonize urban expansion with the Han River's riparian , including preservation amid Seoul's growth.

Ongoing Projects and Future Plans

In 2024, the selected the Arch Mist design to repurpose Jamsu Bridge as the world's longest and the Han River's first dedicated walking bridge, with preliminary sketches released in as part of the Great Hangang Project. As of September 2025, the basic design is complete, detailed design is underway with a total budget of 20 billion won, and modifications include expanding the existing deck instead of adding a due to and structural safety concerns. This 795-meter-long intervention will feature a curving, pink-hued gallery space on the expanded deck integrated into the existing structure, transforming it from a vehicular into a cultural destination for art exhibitions and strolls. Construction is scheduled to commence in the first half of 2026 and conclude by late 2026 or early 2027, leveraging the bridge's original design to enable seamless adaptation during seasons. The Moonlight Rainbow Fountain on Banpo Bridge is confirmed to operate throughout the season, from April 1 to October 31, with daily performances synchronized to music and lights. Shows will run multiple times in the evening, drawing visitors to Banpo Hangang Park despite the adjacent Jamsu Bridge construction. Under the broader Great Hangang Project, is advancing sustainable maintenance initiatives for Han River bridges, including eco-friendly lighting installations and enhanced flood resilience technologies to reduce and environmental impact. These efforts align with the city's 2025 "Green Aurora" lighting theme, which promotes energy-efficient illumination on select bridges to highlight natural and cultural features. The Jamsu Bridge conversion is expected to temporarily disrupt vehicular traffic starting in 2026, with full restrictions during construction phases to reroute commuters across alternative Han River crossings, potentially easing congestion on Banpo Bridge but requiring coordinated . Post-completion, the project anticipates boosting by creating a new pedestrian landmark, increasing visitor footfall to the Banpo Bridge area by integrating with existing attractions like .

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