On December 20, the main span of Baidanghu Bridge on National Highway 347 (Zongyang Section of Tongling, Anhui Province) was successfully closed。The bridge is a national highway 347 project control project, with a total length of 945.7米。National Highway 347 (Tongling Zongyang section) A total length of 61.749 kilometers, the design speed of 80 kilometers per hour, in September 2016 officially started construction。Up to now, the roadbed project is 98% complete, and the road surface has completed 15 kilometers of water stabilization layer。It is scheduled to open to traffic in September 2018。

The main span of the bridge closes