Banpo Bridge Size report

Banpo Bridge is a double-deck bridge located in Seoul, the capital of South Korea, connecting Yongsan District and Banpodong, Seocho District, spanning the Han River. The bridge's construction began in January 1980 and was completed in 1982. It is the first two-layer bridge in South Korea. The below floor will be submerged by river water during the rainy season, called the "Jamsu Bridge."

The expansion of the bridge was completed in 2008. In addition to widening the bridge deck, the expansion project also installed more than 300 water spouts on both sides of the bridge. Banpo Bridge has become the longest water-spraying bridge in the world and has been included in the Guinness Book of World.

Banpo Bridge is known for its unique rainbow fountain over the decades and has become an iconic landmark in Seoul. With over 100,000 vehicles crossing the bridge every day, it's also one of the most important bridges in South Korea. Let's find out more facts about its size and design.

Size and Features of Banpo Bridge

Banpo Bridge is a double-deck bridge spanning the Han River. The lower layer is only open to traffic during the dry season. During the flood season, traffic is suspended because the water level is higher than the bridge deck, which is called Jamsu Bridge. In 2009, Seoul City built the "Moonlight Rainbow Fountain" on the 570-meter-long middle section of the bridge; there are 380 nozzles. The fountain draws water from the Han River by an underwater motor and can spray 190 tons of water per minute.

The total length of the fountain on the Banpo Bridge reaches 1,140 meters, and there are nearly 200 lighting lanterns. The acoustics also use the most cutting-edge equipment and amplifiers. Regarding construction technology, OASE from Germany, a world-renowned musical fountain construction company, participated in the cooperative construction. The water sprayed with music accompaniment will make various shapes; the way of spraying is different during the day and night, and the colorful lights at night make it a rainbow fountain.

Dimensions of the Banpo Bridge

The upper floor is the main of Banpo Bridge, 1,490 meters long, 25 meters wide, with six lanes; the below Jamsu Bridge is 795 meters long, 18 meters wide, and has four lanes. The overall design utilized twenty-eight spans and a maximum clearance below 20 meters.

Quick FactsSize
Total Length1,490 m, 795 m (below)
Width25 m, 18 m (below)
Number of Lanes6 (upper); 4 (below)
Number of Spans
28
Clearance Below20 m
Fountain Length1,140 m

Final Words

The Banpo Bridge Moonlight Fountain is a musical fountain that attracts countless visitors to Han River Park to enjoy the view. During the day, with the transformation of the water column, the fountain presents more than 100 shapes, such as willow leaves and catkins; at night, under the illumination of neon lights, the fountain becomes a rainbow symbolizing vitality and hope. The fountain runs from April to October, 4-6 times daily (20 minutes each time). Various celebrations are held in the nearby Han River Park in spring and summer; the park has outdoor stages, ecological observation gardens, picnic areas, and other leisure spaces.


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