Watari Bridge, Steel truss bridge over the Kiso River between Aichi and Gifu, Japan

Watari Bridge is a steel truss bridge over the Kiso River's south branch, linking Ichinomiya in Aichi Prefecture with Kakamigahara in Gifu Prefecture. The road bridge, completed in 1964, is 258 m long and 6 m wide, with a 3.5 m height limit. A separate 270.3 m pedestrian and bicycle bridge, the Watari Bridge Side Bridge, was added in 2006.

A ferry crossed the Kiso River here until floods often halted it; a stone monument in Kawashima Watari-machi marks the crossing. A wooden temporary bridge appeared in 1937, replaced in October 1943 by a wooden bridge used in a film starring Misora Hibari. Floods repeatedly damaged it, and the Isewan Typhoon of 1959 washed it away completely. The current steel truss bridge opened on 16 November 1964.

The name Watari comes from the ferry (watashi) that crossed the Kiso River here before any bridge existed; a stone monument in Kawashima-Watari-machi, Kakamigahara, marks the old crossing. From 1992 to 2006 the bridge was closed to cars on the fourth Saturday of August for the Ichinomiya citizens' fireworks display, and the span became a viewing spot over the river.

The road bridge is only 6 m wide and has a 3.5 m height limit because tall vehicles can strike the truss. Pedestrians and cyclists use the separate side bridge, 270.3 m long and 3 m wide, opened in 2006. The bridge links the Twin Arch 138 area with the Kiso River Environmental Paradise.

The current steel truss bridge, in service since 16 November 1964, is 258 m long and only 6 m wide, so a 3.5 m height limit protects the truss from tall trucks. A separate 270.3 m pedestrian and bicycle bridge was added alongside in March 2006. A stone monument in Kawashima-Watari-machi, Kakamigahara, marks the ferry that crossed here before any bridge existed.