Introduction to Baihua Bridge: Baihua Bridge is located at the junction of Xuankou Town and Yingxiu Town in Wenchuan County. It is the only way for National Highway 213 to lead to Aba Prefecture and the 13 counties in its jurisdiction. It is also a transportation hub through Aba Prefecture. important nodes. During the earthquake, the Baihua Bridge was completely damaged, with two spans and two piers collapsing. The remaining piers also cracked and tilted, and some of the piers suffered crushing damage and could not be restored to use.