Alton Bridge (Madison County, Illinois)
Built 1928; replaced 1994Lost seven-span through truss bridge over the Mississippi River on US 67 at AltonReplaced by the Clark Bridge
Alton Railroad Bridge (Madison County, Illinois)
Built 1892-94 under the direction of George S. MorisonLost through truss swing bridge over the Mississippi River on the Burlington Northern Railroad at AltonRemoved
Clark Bridge (Madison County, Illinois)
Built 1994, replacing the Alton BridgeCable-stayed bridge over the Mississippi River on US 67 at AltonOpen to four lanes of traffic