Changfu Bridge is located in the village of Nanrakou, Canal Township. The bridge is a nine-hole arch slate bridge, east-west 30°south, across the Tingtiao Harbor, deck with guardrail, watchpost. Bridge deck on both sides of the "Changfu Bridge" words, the eastern side of the bridge has the age of bridge construction, Qing Qianlong 31 years (1767) reconstruction. Projection: 45 centimeters wide, 50 centimeters wide. The core slab is 0.8 meters wide and the deck is 50 centimeters wide. The watchtower is 54 centimeters high, 23 centimeters long and 14 centimeters wide. The abutment is 5 meters long, 25.4 meters long, 1.85 meters wide, 0.1 meters wide and 0.39 meters high. The structure of Changfu Bridge is well preserved and beautiful in shape, which is of high reference value for studying the history of local bridges in Yuhang District.