Katsuma Chinka (Sinking) Bridge
This bridge is located in Katsuma, Shimanto City is one of a number of ''sinking bridges'' designed to sink during high water built along the Shimanto River. The scenery created by the river, its sinking bridges, and the nearby mountains is symbolic of the Shimanto River. This particular 171.4-meter-long, 4.4-meter-wide sinking bridge is notable for its three-legged piers.