At 11:00 a.m. on March 9, as the cable crane fixed the last piece of steel box girder on the sling accurately and stably, the Lvzhijiang Bridge of Yunnan Yuxi-Chuxiong Expressway constructed by China Railway Jiujiang Bridge Engineering Co., Ltd under CRHIC was connected.
The Lvzhijiang Bridge is the first single-tower single-span steel box girder suspension bridge in the history of world highway construction. Its main span amounts to 780 meters and the tunnel anchor has the maximum inclination angle of 54 degrees.
The main bridge has a total of 61 steel box girders weighing totally 11,200 tons, equivalent to the weight of the Eiffel Tower. The maximum lifting capacity of a single segment exceeds180 tons. It is an all-welded structure.