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Si Du River Bridge – China
The Si Du River Bridge (Siduhe Bridge, 四渡河特大桥) is a 1,222-meter-long (4,009 ft) suspension bridge crossing the valley of the Si Du River near Yesanguan in Badong County of the Hubei Province of the People’s Republic of China. The bridge was designed by CCSHCC Second Highway Consultants Company, Ltd. and built at a cost of 720 million yuan (approximately US$100 million). It opened to traffic on November 15, 2009.
Geography
The bridge is part of the new G50 Hurong Expressway that parallels China National Highway 318, an east-west route between Shanghai and Chengdu, crossing the wide belt of mountains that separate the Sichuan Basin from the lowlands of eastern Hubei. The Yangtze River pierces the same mountain belt some 50 km to the north, forming the famous Three Gorges. The Yiwan Railway, completed in 2010 and running parallel to the highway, has been described as China’s most difficult to build and most expensive (per km) rail line.
The bridge spans a 500-meter (1,600 ft) deep valley of the Si Du River (a left tributary of the Qingjiang River), and has superseded the Royal Gorge Bridge and the Beipanjiang River 2003 Bridge as the highest bridge in the world.
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