Alton Bridge (Madison County, Illinois)
Built 1928; closed for major repairs in 1959 and 1975; permanently closed January 4, 1994; first span imploded August 11, 1994, other 6 spans imploded August-October 1994
Lost seven-span through truss bridge over the Mississippi River on US 67 at Alton
Replaced by the Clark Bridge

Alton Railroad Bridge (Madison County, Illinois)
Built 1892-94 under the direction of George S. Morison
Lost through truss swing bridge over the Mississippi River on the Burlington Northern Railroad at Alton
Removed after the railroad line was abandoned

Alton Steel Rail Yard Bridge (Madison County, Illinois)
pratt through truss bridge built over Alton Steel rail yard. approaches have been removed.
Abandoned pratt through truss bridge over rail yard on unknown in Alton
Abandoned

Clark Bridge (Madison County, Illinois)
Opened January 4, 1994, replacing the Alton Bridge
Cable-stayed bridge over the Mississippi River on US 67 at Alton
Open to four lanes of traffic