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On the morning of March 9, with the cable crane accurately and stably fixing the last steel box girder on the sling,the first single tower and single span steel box girder suspension bridge in the history of highway construction in the world – lvzhijiang bridge of Yunnan Yuchu expressway was successfully closed.
Lvzhijiang bridge, located in Yunnan, is a key control project of Yuxi Chuxiong expressway. The bridge is 798m long, with two-way four lane bridge deck and a design speed of 100km / h. both banks are directly connected with the tunnel.