Twin River Bridges

Twin River Bridges

Twin River Bridges

As the winner of an international design competition, TYLin provided complete design services for the Twin River Bridges in Chongqing, China.

Known as the “Bridge Capital of China,” Chongqing is intersected by two major rivers, the Yangtze River in the south and the Jialing River in the north. The project resulted in two bridges: the 954-metre-long Dongshuimen Yangtze River Bridge and the 880-metre-long Qianximen Jialing River Bridge.

The main function of the two bridges is to allow both light-rail service and road traffic from the southern district to flow though Yuzhong to the northern district without interruption. Aesthetic requirements included adding a significant element to the city’s skyline without blocking views of the city.

Meeting all project requirements, TYLin’s bridge design innovative represented a relatively new concept, the partially cable-supported girder bridge. This bridge type offers a transparent bridge configuration that is both aesthetically pleasing and economical due to its structural efficiency.

The Dongshuimen Bridge, which crosses the Yangtze River in the south to the Yuzhong peninsula, features a 445-metre-long cable-stayed deck, twin pylons, a single plane of cables, and a steel truss beam.

The Qianximen Bridge crosses the Jialing River in the northern district and includes 352 meters of cable-stayed construction. It also has a single plane of cables, a steel truss beam, and a single pylon.

Both bridges have decks on two levels. The upper deck supports four traffic lanes and sidewalks, and the lower deck carries two transit tracks for Chongqing Light Rail Line 6.

Project Highlights: 

  • A single plane of cables supplies partial support for the steel truss girder of each bridge. 
  • The clean, modern look of the main towers expresses Chongqing’s dynamic combination of historical and contemporary features.
  • The design competition was held by the Chongqing City Investment and Construction Company.