How many meters is the total length of Nanjing Yangtze River Bridge?

1. Nanjing Yangtze River Bridge is located between Xiaguan and Pukou, Nanjing City, Jiangsu Province, China, 345 kilometers downstream of the Yangtze River. It is a super-large double-deck steel truss bridge for both railway and highway. This bridge is an important traffic project in East China. The upper floor is a four-lane highway bridge with a width of15m and a total length of 4,588m, connecting the national highway 104 and the national highway 3 12 across the Yangtze River. The lower floor is a double-track railway bridge, with a width of 14m and a total length of 6772m. It connects the Jin-Pu Railway and the Shanghai-Nanjing Railway, making beijing-shanghai railway, the traffic artery in China, the hub and lifeline of north-south traffic. This bridge consists of a main bridge and an approach bridge. The main bridge has 9 piers with a span of 10, a length of1576m and a maximum span of160m. The navigable clearance width of the bridge is1.20m, and the navigable clearance height under the bridge is 24m above the designed maximum navigable water level (Wusong elevation+8.27m), which can pass 5000-ton seagoing ships.

2. Nanjing Yangtze River Bridge was built at 1968. It is the third bridge across the main stream of the Yangtze River after Wuhan Yangtze River Bridge and Chongqing Baishatuo Yangtze River Bridge. It is the first super-large bridge completely designed and built by China and basically made of domestic materials, which is of great significance in the history of Chinese bridges. This bridge is a landmark building in Nanjing and one of the "48 scenic spots in Jinling". It was once recorded in the Guinness Book of World Records and became the "longest highway-rail bridge".