Introduction to the Wushan Yangtze River Highway Bridge: The Wushan Yangtze River Highway Bridge is located at Wuxiakou, Wushan County. It is currently the world's largest span concrete-filled steel tube intermediate-bearing arch bridge. The bridge is 612.2 meters long, 19 meters wide and has a clear span of 460 meters. It has won the National Quality Engineering Award and is known as the "First Bridge in East Chongqing".