Chaotianmen Bridge

Bridge in Chongqing, China

29°35′20″N 106°34′38″E / 29.588871°N 106.57721°E / 29.588871; 106.57721CarriesTrains, Motor vehicles, PedestriansCrossesYangtze RiverLocaleChongqing, ChinaCharacteristicsDesignThrough arch bridgeTotal length1,741 m (5,712 ft)Width36.5 m (120 ft)Height142 m (466 ft) (middle supports to arch top)Longest span552 m (1,811 ft)HistoryConstruction startDecember 2004Construction cost3.2 billion Yuan^[1]Opened30 April 2009Location Map

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]

Comparison of the side elevations of the Chaotianmen Bridge and some notable bridges at the same scale (click for interactive version)

References

^ "World's longest arch bridge opened to traffic in Chongqing". China Internet Information Center. Archived from the original on 21 January 2017.
^ CulturalChina.com, Chongqing completes world's longest arch bridge Archived 8 July 2011 at the Wayback Machine, 30 April 2009.
^ Xue-wei DUAN, Design of Main Bridge of Chaotianmen Yangtze River Bridge Archived 31 March 2010 at the Wayback Machine, Chinese-Croatian Joint Colloquium on Long Arch Bridges, Croatian University of Zagreb and University of FuZhou, 2008.
^ RIA 1/2007, Chaotianmen Bridge – world's longest-span steel arch bridge Archived 22 July 2011 at the Wayback Machine