According to relevant data, the demolition of the broken bridge in Linxia, Gansu Province began on May 8, 20021year. Demolition scope Linxia County Zheqiao to Tumenguan to Wangchigou Bridge. By June, 2022 1, the northern section of Zheqiao Road has completed subgrade replacement and filling, subgrade shaping and rolling, geogrid laying, box culvert cover slab culvert construction, graded macadam laying, water stabilized layer laying, rainwater side ditch construction and medium-grained asphalt concrete laying.