Popularly known as 'Nagare bashi' (floating bridge), the Kozuya-bashi Bridge, whose bridge timbers are detached from the bridge pier when the water level in the river rises, is located about five km upstream from the junction.
合流点の5kmほど上流には増水すると踏み板が橋脚から外れる「流れ橋」として有名な上津屋橋が架かっている。