The IAIS bridge over the Fox River is located in Ottawa, Illinois between the East Norris Drive Bridge and the Fox River Aqueduct I and M Canal. It was built in 1899. Design is deck plate girder. Builder was Lassig Bridge and Iron Works (Chicago). Largest span is 65 feet. Total bridge length is 450 feet. Railroads that have used the bridge include Chicago and Rock Island, Iowa Interstate Railroad. Bridge is currently active.