11th Avenue in Iowa Township, Benton County, Iowa

11th Avenue in Benton County is an asphalted main road (also known as State Highway 21). It runs in a north-south direction and crosses 75th Street and 76th Street and ends at 21st Street, while the other end is a cul-de-sac. 11th Avenue is also known as State Highway 21. This street is part of the highways 21 and V36. 11th Avenue also exists in Kane Township, Monroe Township and Bruce Township.