Repair and Reinforcement Project of Zhongshan Bridge in Lanzhou City

In the north of Lanzhou City, located at foot of the White Tower Hill, Zhongshan Bridge is renowned as the “The First Bridge Over The Yellow River”, with a total length of 233.5m and a width of 9.55m. The bridge was built in 1909, and was confirmed to be national preserving cultural relic in 2006. It consists of simple supported steel truss beams in 5 spans. The span distribution is 5×46.7m.