Illinois

On the northern border of the St. Louis Metro Area, spanning the Mississippi River between West Alton, Missouri and Alton, Illinois, is the iconic Clark Bridge. It is a cable-stayed bridge, opened in 1994 (replacing an old truss bridge of the same name). The 4-lane bridge carries Route 67 over the Mississippi and is the farthest northern bridge spanning the river in the area. Costing $85 million when...