Alton Bridge
Lost seven-span through truss bridge over the Mississippi River on US 67 at Alton
Replaced by the Clark Bridge
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

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

Becker Joerling Road Bridge
Lost pony truss bridge over a branch of Femme Osage Creek on Becker Joerling Road
Replaced by new bridge
Built ca. 1910; replaced 1991

Bellefontaine Bridge
Four-span railroad through truss bridge over the Missouri River near Fort Bellefontaine in West Alton
Open to one track of railroad traffic
Construction started July 4, 1892, with the first train crossing on Dec. 27, 1893

Blanchette Bridge
Pair of cantilevered through truss bridges over the Missouri River on I-70 at St. Charles
Open to traffic
Westbound bridge built 1958; eastbound bridge built 1978

Callaway Fork Bridge
Closed through truss bridge over Callaway Fork on Old Route D west of New Melle
Closed to all traffic
Built 1909 by the Decatur Bridge Co.; made obsolete by new bridge in 1968

Chain of Rocks Bridge
Lost through truss bridge over the Cuivre River at Chain of Rocks
No longer exists
Built 1893 by the St. Louis Bridge & Iron Co.

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

Daniel Boone Bridge
Pair of through truss bridges over the Missouri River on I-64/US 40/US 61 at Chesterfield
Open to traffic
Northbound bridge built 1936-37; southbound built 1991

Defiance Road Bridge
Lost through truss over Femme Osage Creek on Defiance Road just off Route F
Replaced by a concrete bridge
Built 1906-1907 by the Joliet Bridge & Iron Co.; replaced 1990

Dietrich Road Bridge No. 1
Lost pony truss bridge over Indian Camp Creek on Dietrich Road
Replaced by new bridge
Built ca. 1910; replaced 1993

Dietrich Road Bridge No. 2
Lost pony truss bridge over Indian Camp Creek on Dietrich Road
Replaced by new bridge
Built ca. 1930; replaced 1996

Discovery Bridge
Pair of through truss bridges over the Missouri River on MO 370 between St. Charles and Bridgeton
Open to traffic
Built 1992

Duello Road Bridge
Lost pony truss bridge over Peruque Creek on Duello Road, just west of Lake St. Louis
No longer exists
Built ca. 1910; replaced 1999

Duenke Road Bridge
Lost pony truss bridge over a branch of McCoy Creek on Duenke Road
Replaced by new bridge
Built ca. 1890; later relocated here; replaced 1996

First Wabash Bridge
Lost Whipple through truss bridge over the Missouri River at St. Charles
Replaced by new bridge
Built 1871; replaced 1936 by the current Wabash Bridge

Grafton Ferry
Toll ferry across Mississippi River
Open as of July 3, 2009
Opened 2003 as a toll ferry. Reopened July 3, 2009

Henning Road Bridge
Lost pony truss bridge over Dardenne Creek on Henning Road
Replaced by new bridge
Built 1910 by Stupp Brothers; replaced 1994

Hepperman Road Bridge
Lost(?) through truss bridge over Peruque Creek on Hepperman Road
Replaced by new bridge
Built 1908 by Missouri Bridge & Iron Co.; rehabilitated 1990; replaced 1998

Hoff Road Bridge
Lost pony truss bridge over Peruque Creek on Hoff Road
Replaced by new bridge
Built ca. 1930; replaced 1994

Hopewell Road Bridge
Lost pony truss bridge over Dardenne Creek on Hopewell Road
No longer exists
Built ca. 1910; rehabilitated 1991; replaced 2002

Lake St. Louis Bridge
Pony truss bridge over Lake St. Louis (Peruque Creek) on northbound US 40/61 in Lake St. Louis
Open to two lanes of traffic
Built 1935; parallel bridge built 1968; rehabilitated 1977

Lewis Bridge
Lost through truss bridge over the Missouri River on US 67 adjacent to Bellefontaine Railroad Bridge
Replaced by a modern four-lane deck-girder bridge
The current bridge was built 1979

Mette Road Bridge
Lost pony truss bridge over McCoy Creek on Mette Road
Replaced by new bridge
Built ca. 1920; replaced 1993

Old Monroe Bridge
Three-span through truss bridge over Cuivre River on Main Street (Old MO 79) in Old Monroe
Open to one-lane traffic
Built 1930

Old Monroe Railroad Bridge
Three-span through truss bridge over Cuivre River on the BNSF Railway at Old Monroe
Open to railroad traffic

Old St. Charles Bridge
Lost four-span through truss bridge over the Missouri River at St. Charles
Replaced by a new bridge
Completed 1904; closed to traffic in 1992; finally dismantled in 1997

Page Avenue Bridge
Pair of tied arch bridges over the Missouri River on MO 364 (Page Avenue)
Open to traffic
Opened Dec. 13, 2003

Peruque Creek Old Route Z Bridge
Pony truss bridge over Peruque Creek on Old Route Z
Unknown status
Built ca. 1910; rehabilitated 1994

Peruque Creek Road Bridge
Lost pony truss bridge over Peruque Creek on Peruque Creek Road
No longer exists
Built ca. 1930

Point Prairie Road Bridge
Lost pony truss bridge over McCoy Creek on Point Prairie Road
No longer exists
Built ca. 1920

Schaper Road Bridge
Lost through truss bridge over Peruque Creek on Schaper Road
Replaced by new bridge
Built ca. 1915

Schluersburg Road Bridge
Lost through truss bridge over Femme Osage Creek on Schluersburg Road
Replaced by new bridge
Built 1913 by Miller & Borcherding

Spencer Creek Covered Bridge
Replica covered bridge over Spencer Creek at Spencer Creek Subdivision in St. Peters
Open to traffic
Built 1976 by Roger Adams

St. Charles Pontoon Bridge
Short-lived pontoon bridge over the Missouri River at the foot of Adams Street in St. Charles
Lost
Construction started 1888; opened to traffic June 1, 1890; destroyed by ice in November 1890

Taylor Branch Katy Trail Bridge
Wooden trestle over Taylor Branch on the Katy Trail just off MO 94
Open to pedestrians and bicyclists only

Wabash Bridge
Cantilevered through truss bridge over the Missouri River on the Wabash Railroad between St. Charles and Bridgeton
Open to railroad traffic
Built 1936, replacing an earlier 1871 through truss railroad bridge on a new alignment

Weldon Spring Abandoned Railroad Bridge
Abandoned bridge over Little Femme Osage Creek in Weldon Spring Conservation Area
Abandoned

West Terra Lane Bridge
Lost pony truss bridge over Peruque Creek on West Terra Lane
Replaced by new bridge
Built 1922; replaced 1991