Blanchette Bridge (St. Charles County, Missouri)
Westbound bridge built 1958; eastbound bridge built 1978Pair of cantilevered through truss bridges over the Missouri River on I-70 at St. CharlesOpen to traffic
Blanchette Bridge Eastbound Span (St. Charles County, Missouri)
Built 1978; rehabilitated 1984Pony truss bridge over Missouri Rvr, Cst Main S on I 70 E in St. CharlesOpen to traffic
Discovery Bridge (St. Charles County, Missouri)
Built 1992Pair of through truss bridges over the Missouri River on MO 370 between St. Charles and BridgetonOpen to traffic
Old St. Charles Bridge (St. Charles County, Missouri)
Completed 1904; closed to traffic in 1992; finally dismantled in 1997Lost four-span through truss bridge over the Missouri River at St. CharlesReplaced by a new bridge
Wabash Bridge (St. Charles County, Missouri)
Built 1936, replacing an earlier 1871 through truss railroad bridge on a new alignmentCantilevered through truss bridge over the Missouri River on the Wabash Railroad between St. Charles and BridgetonOpen to railroad traffic