Chaotianmen Bridge

Chaotianmen Bridge
Chaotianmen Bridge
Coordinates	29°35′20″N 106°34′38″E / 29.588871°N 106.57721°E
Carries	Trains, Motor vehicles, Pedestrians
Crosses	Yangtze River
Locale	Chongqing, China
Characteristics
Design	Through arch bridge
Total length	1,741 m (5,712 ft)
Width	36.5 m (120 ft)
Height	142 m (466 ft) (middle supports to arch top)
Longest span	552 m (1,811 ft)
History
Construction start	December 2004
Construction cost	3.2 billion Yuan
Opened	30 April 2009
Location

The Chaotianmen Bridge (simplified Chinese: 朝天门长江大桥; traditional Chinese: 朝天門長江大橋; pinyin: Cháotiān mén chángjiāng dàqiáo), is a road-rail bridge over the Yangtze River in the city of Chongqing, China. The bridge, which opened on 29 April 2009, is the world's longest through arch bridge.^[2]

The continuous steel truss arch bridge with tie girders has a height of 142 m (466 ft) from middle supports to arch top, main span of 552 m (1,811 ft) and a total length of 1,741 m (5,712 ft). It carries six lanes of traffic with a pedestrian walkway on each side on the upper deck. The lower deck has 2 traffic lanes on each side with the Chongqing Metro Loop Line running down the middle.^[3]^[4]

A comparison of the side elevation of the Chaotianmen Bridge to the side elevations of some of the most notable bridges around the world on the same scale (click for interactive version)