Historic American Engineering Record in Illinois List of bridges documented by the Historic American Engineering Record in Iowa References External links Through arch bridges in the United States Bridges over the Mississippi River Road bridges in Illinois Bridges of the United States Numbered Highway System Bridges completed in 1940 Transportation in Davenport, Iowa Buildings and structures in Rock Island, Illinois Tourist attractions in the Quad Cities Buildings and structures in Davenport, Iowa Bridges in Rock Island County, Illinois Bridges in Scott County, Iowa Bridges in the Quad Cities Road bridges in Iowa U.S. Route 67 Former toll bridges in Illinois Former toll bridges in Iowa Steel bridges in the United States Historic American Engineering Record in Illinois Historic American Engineering Record in Iowa Interstate vehicle bridges in the United States