The Dashengguan Yangtze River Bridge () crosses the Yangtze River in Nanjing, Jiangsu. Construction of the bridge started in 2006 and it was completed in 2010. The bridge has two main spans of it is one of the largest arch bridges in the world. It carries six tracks: two for the BeijingâÂÂShanghai High-Speed Railway (opened on 30 June 2011), two for the ShanghaiâÂÂWuhanâÂÂChengdu high-speed railway (opened on 22 January 2011) and two for line S3 of the Nanjing Metro (opened on 6 December 2017).