Hangzhou Bay Bridge Size report

Hangzhou Bay Bridge is a sea-crossing highway connecting two cities in Zhejiang Province, China. It is one of the components of China's national expressway G15 and an important part of the urban expressway in northeastern Zhejiang Province.

The Hangzhou Bay Bridge was built on June 8, 2003; the whole line was completed on June 26, 2007, and was opened to traffic on May 1, 2008. There is a sightseeing platform in the middle of the bridge offering panoramic views, but stopping on the road is not permitted; it is a service center built with hotels, shops, and restaurants.

The Hangzhou Bay Bridge is a great achievement in architecture and engineering and is the longest sea-crossing bridge in the world. The bridge reduced the distance between Shanghai and Ningbo by 120 km. This post will introduce more interesting facts about the large size of the Hangzhou Bay Bridge.

Description of Hangzhou Bay Bridge Size

Construction of the bridge started in 2003, and in 2008 the bridge opened. Hangzhou Bay Bridge is not only an important channel connecting the south and the center of the Yangtze River Delta, but it is also a beautiful attraction. The overall plane of the Hangzhou Bay Bridge is an S-shaped curve, cable-stayed design, which consists of the north bridge, the south bridge, the approach bridge, and a platform. The navigation bridges of the North and South Channels are in an arch shape with an undulating facade shape.

The Hangzhou Bay Bridge differs from ordinary bridges because it considers two safety factors in its design. For the safety of vehicles passing on the highway, the straight section cannot be too long; the low influence of the bridge on the water flow ensures that the bridge axis of each section of the bridge is perpendicular to the main flow of the tide. These are also the main reasons for the "S" shape of the bridge.

Height and Length of the Hangzhou Bay Bridge

The total length of the Hangzhou Bay Bridge is 36 kilometers and 33 meters wide, and the bridge section is 35.7 kilometers, with the longest span of 448 meters. The bridge deck is a two-way six-lane highway with a design speed of 100 kilometers per hour and 120km/h for land approaches. Among them, the north channel bridge is arranged with a span of 70+160+448+160+70 meters, and the south channel bridge is arranged with a span of 100+160+318 meters. The bridge has a height of 62 meters, enabling all container ships to pass through in all conditions.

FactsSize
Total Length36 km
Bridge Section Length35.7 km
Width33 m
Longest SpanNorth: 448 m, South: 318 m
Clearance Below
62 m

Final Words

The Hangzhou Bay Bridge is one of the most important, not only in China but in the world. Because it is not only the longest one over a sea but also is built in the world's most complicated sea environment, with the largest tides, the effect of typhoons, and the difficult content of the sea soil". Hangzhou Bay has one of the world's largest tidal bores, up to 9 meters (30 feet) high; and the area is also a typhoon prone zone. It is a good place to watch tides. Check the weather before your trip.


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