Allied Structural Steel Co.

of Chicago, Illinois
Gateway Bridge (Clinton County, Iowa)
Fabrication; Clinton Bridge Works Plant, 1956
Suspension bridge over Mississippi River on US 30 at Clinton
Open to traffic

I-5 - Lake Washington Ship Canal Bridge (King County, Washington)
Iron/Steel Manufacturer, 1962
Deck truss bridge over Lake Washington Ship Canal on I-5 in Seattle
Open to traffic

John F. Kennedy Memorial Bridge (Jefferson County, Kentucky)
Iron/Steel Manufacturer, 1963
Cantilevered through truss bridge over Ohio River on I-65 in Louisville
Being reconfigured for one way traffic

Luther Draffen Bridge (Marshall County, Kentucky)
Iron/Steel Manufacturer, 1974
Pair of steel through arch bridges over the Tennessee River on I-24
Open to traffic