Introduction to Shengshui Bridge: Shengshui Bridge is located 100 meters southeast of the former residence. It was built in the Ming Dynasty and rebuilt in the 13th year of the Republic of China (1924). The bridge is 19.4 meters long and 2.5 meters wide. It is a granite single-hole slab bridge with bridge connections on both sides of the bridge piers. It is said that when Xiake went on a boat trip, Xu's mother would always stand on the bridge to see him off.