Bend Road Bridge
Two-span through truss bridge on Bend Road over Meramec River in Pacific
Open to one-lane traffic
Built 1916 by Miller & Borcherding Bridge Builders; rehabilitated 1991

Bieker Road Bridge
Abandoned stone arch bridge over DuBois Creek on Bieker Road, southeast of Washington
Closed to traffic

Boeuf Creek MO 100 Bridge
Lost pony truss bridge over Boeuf Creek on MO 100 east of New Haven
Replaced by a modern bridge
Built 1934; replaced 2003

Boeuf Creek Road Bridge
Through truss bridge over Boeuf Creek on Boeuf Creek Road
Open to one-lane traffic with a 30 ton weight limit
Built ca. 1930; rehabilitated 1993

Boles Road Bridge
Lost pony truss bridge over Dunn Spring Creek on Boles Road
Replaced by culvert
Built ca. 1910; replaced 1999

Bourbeuse Bridge
Lost through truss bridge over Bourbeuse River somewhere near Moselle
No longer exists

Bucklick School Road Bridge
Pony truss bridge over Bucklick Creek on Bucklick School Road
Open to one-lane traffic
Built ca. 1920; rehabilitated 1996

Buffalo Ridge Road Bridge
Lost pony truss bridge over Middle Fork of Cedar Fork on Buffalo Ridge Road
Replaced by modern bridge
Built ca. 1910 by Miller & Borcherding Bridge Builders; replaced 1999

Busch Creek Old MO 100 Bridge
Plate girder bridge over Busch Creek on Old MO 100 at Washington
Open to traffic
Built 1955

Calvey Creek Road Bridge
Lost through truss bridge over Calvey Creek on Calvey Creek Road
Replaced by modern bridge
Built ca. 1915; replaced 1998

County Line Road Bridge
Lost pony truss bridge over Pin Oak Branch on County Line Road
Replaced by modern bridge
Built ca. 1920; replaced 1999

Enochs Knob Road Bridge
Through truss bridge over Boeuf Creek on Enochs Knob Road
Open to one-lane traffic
Built 1908

Etlah Bridge
Lost through truss over Big Berger Creek on Route B at Etlah
Demolished 1988 after the construction of a new concrete bridge
Built 1894 by Stupp Brothers Bridge & Iron Co.; replaced by a new bridge in 1988

Fenton Creek Bridge
Abandoned deck truss bridge over Fenton Creek just off Route V at Union
Closed to all traffic

Gray Summit Tunnel
Tunnel underneath the town of Gray Summit on the Union Pacific Railroad
Open to two-track railroad traffic

Hartmann's Ford Bridge
Lost through truss bridge over Bourbeuse River on North Bend Road near Union
Replaced by a new bridge
Built 1916 by Miller & Borcherding Bridge Builders; replaced 1997

Junction Spur Bridge
Stone arch bridge over a branch of Pin Oak Creek on Junction Spur, just off MO 100 west of New Haven
Open to traffic

Kaiser Hill Road Bridge
Stone arch bridge over Pin Oak Creek on Kaiser Hill Road, just south of MO 100, west of New Haven
Open to traffic

Krakow Bridge
Abandoned stone arch bridge over Long Branch next to Route YY in Krakow
Abandoned, but still in good shape

Labadie Bottom Road Bridge
Through truss bridge over Labadie Creek on Labadie Bottom Road
Open to traffic
Built 1901 by Stupp Brothers Bridge & Iron Co.

Labadie Railroad Tunnel
Short railroad tunnel under Route T on the Union Pacific Railroad just southwest of Labadie
Open to two tracks of railroad traffic
Built 1929

Labadie Tunnel
Tunnel under the Rock Island Railroad on Route T in Labadie
Removed

Labadie Viaduct
Through truss bridge over Labadie Bottom Road on the Rock Island Railroad at Labadie
Still in use

Little Boeuf Creek MO 100 Bridge
Stringer bridge with concrete balustrades over Little Boeuf Creek on MO 100
Open to two-lane traffic
Built 1934

Little Bourbeuse Road Bridge
Lost pony truss bridge over Little Bourbeuse River on Little Bourbeuse Road
No longer exists
Built ca. 1920; replaced 2003

Little Meramec River Bridge
Lost through truss bridge over Little Meramec River on Mill Hill Road
Replaced by modern bridge
Built 1911; replaced 1998

Meramec River MO 30 Bridge
Lost five-span open-spandrel arch bridge over Meramec River on MO 30
Replaced by bridge on new alignment
Built 1929; replaced 2002

Methodic Church Road Bridge
Lost pony truss bridge over a branch of St. Johns Creek on Methodic Church Road
Replaced by modern bridge
Built ca. 1910; replaced 1995

Mill Hill Road Bridge
Through truss bridge over Meramec River on Mill Hill Road south of Moselle
Closed to traffic
Bypassed by new bridge in 1993

Newport Road Bridge
Small concrete arch bridge over a branch of Little Boeuf Creek on Newport Road just off MO 100
Open to one-lane traffic

Noser Mill Bridge
Lost through truss bridge over Bourbeuse River on MO 185
Removed
Built 1902; bypassed 1975

Old State Road Bridge
Lost pony truss bridge over St. Johns Creek on Old State Road
Replaced by new bridge
Built ca. 1960; replaced 1999

Pacific Covered Bridge
Lost covered bridge over Meramec River on what is now Route F near Pacific
Replaced by a new bridge just downstream when Route F was built

Red Bridge
Lost covered bridge over Bourbeuse River somewhere near Union
Destroyed by severe weather
Built 1852; destroyed by a tornado in 1920

Shawnee Ford Bridge
Through truss bridge over Bourbeuse River on Shawnee Ford Road beyond the end of Route AN
Open to one-lane traffic with a 19 ton weight limit
Built ca. 1920; rehabilitated 1990

St. Johns Creek Route YY Bridge
Three-span pony truss bridge over St. Johns Creek on Route YY
Open to two-lane traffic
Built 1957

St. Johns Road Bridge
Abandoned stone arch bridge over a tributary of Brown Branch on St. Johns Road, just south of MO 100
Abandoned, but still in good shape

Washington Bridge
Cantilevered through truss bridge over the Missouri River on MO 47 at Washington
Open to two-lane traffic
Built 1934

Washington Street Bridge
Stone and concrete arch bridge over Flat Creek on Washington Street in Union
Open to traffic