Polygonal Warren truss
Allen Road Bridge (Butler County, Ohio)Built 1956; replaced Summer 2005
Lost pony truss bridge on Allen Road in West Chester Township
Replaced by new bridge
Arkansas River CR 175 Bridge (Chaffee County, Colorado)Built 1994
Pony truss bridge over Arkansas River on Spiral Drive (CR 175) north of Salida
Open to two-lane traffic on a paved road
Arkansas River CR 371 Bridge (Chaffee County, Colorado)Built in 1998, replacing a concrete bridge built in 1965
Pony truss bridge over Arkansas River on CR 371 between Buena Vista and Granite
Open to two-lane traffic on a gravel road
Big Creek Ditch AR 226 Bridge (Craighead County, Arkansas)Built 1964
Pony truss bridge over Big Creek Ditch (Bayou Deview) on AR 226
Open to two-lane traffic
Black Vermillion River Bridge (Marshall County, Kansas)Built ca. 1930
Pony truss bridge over Black Vermillion River, 1.5 mi. south and 1.5 mi. west of Frankfort
Open to traffic
Booneville Sanatorium Bridge (Logan County, Arkansas)Built ca. 1929; replaced 1961
Lost pony truss bridge over Petit Jean River on AR 23 south of Booneville
Replaced by a modern bridge
Caddo Lake LA 1 Bridge (Caddo Parish, Louisiana)Built 1940
Nine-span pony truss bridge over Caddo Lake on LA 1 near Mooringsport
Open to traffic
Cadron Creek Road Bridge (Cleburne County, Arkansas)Relocated here 1990
Pony truss bridge over Cadron Creek on Cadron Creek Road (CR 2) in Quitman
Open to traffic
Calumet Creek MO 79 Bridge (Pike County, Missouri)Built 1935
Pony truss bridge over Calumet Creek on MO 79 northwest of Clarksville
Open to two-lane traffic
Chevelon Creek Bridge (Navajo County, Arizona)Built 1913 by the Missouri Valley Bridge & Iron Co.
Pony truss bridge over Chevelon Creek on Holbrook-Winslow Road
Open to traffic
Cuivre River Route H Bridge (Lincoln County, Missouri)Built 1953
Pony truss bridge over West Fork Cuivre River on Route H, northwest of Troy
Open to two-lane traffic
Cushman Bridge (Golden Valley County, Montana)Built 1911
Pony truss bridge over Musselshell River on Cushman Road (CR 203)
Open to traffic
Eight Mile Creek Bridge (Franklin County, Kansas)Built ca. 1920
Pony truss bridge over Eight Mile Creek on a local road in Ottawa
Open to traffic
Flat Creek Route W Bridge (Pettis County, Missouri)Built 1954
Pony truss bridge over Flat Creek on Route W
Open to one-lane traffic
Fourche River AR 166 Bridge (Randolph County, Arkansas)Built 1942
Pony truss bridge over Fourche River on AR 166 northeast of Pocahontas
Open to traffic
Grouse Creek Bridge (Cowley County, Kansas)Built ca. 1940
Pony truss bridge over Grouse Creek
Open to traffic
Hackleman Bridge (Cedar County, Missouri)Built 1949
Pony truss bridge over Cedar Creek on MO 39
Open to traffic
Horse Creek Route CC Bridge (Cedar County, Missouri)Built 1958
Three-span pony truss bridge over Horse Creek on Route CC
Open to two-lane traffic
Lake St. Louis Bridge (St. Charles County, Missouri)Built 1935; parallel bridge built 1968; rehabilitated 1977
Pony truss bridge over Lake St. Louis (Peruque Creek) on northbound US 40/61 in Lake St. Louis
Open to two lanes of traffic
Lamine River MO 135 Bridge (Cooper County, Missouri)Built 1959
Pony truss bridge over Lamine River on MO 135
Open to traffic
Laroque Bridge (Addison County, Vermont)Built 1925 by the McClintic-Marshall Co.
Truss bridge over New Haven River on VT 116 in Bristol
Open to traffic(?)
Left Hand Chute AR 140 Bridge (Mississippi County, Arkansas)Built 1958
Pony truss bridge over Left Hand Chute of Little River on AR 140 near Etowah
Open to traffic
Lobatos Bridge (Conejos County, Colorado)Built 1989
Pony truss bridge over Rio San Antonio on CR G east of Antonito
Open to two-lane traffic
Marais Ditch Route B Bridge (Bates County, Missouri)Built 1934; rehabilitated 1952
Pony truss bridge over Marais des Cygnes River Drainage Ditch on Route B
Open to traffic
Marais River Route B Bridge (Bates County, Missouri)Built 1934
Pony truss bridge over Marais des Cygnes River on Route B
Open to traffic
Muddy River Bridge (Clark County, Nevada)Built 1932-33; demolished ca. 1987
Lost two-span pony truss bridge over Muddy River on Old US 91
No longer exists
Noix Creek MO 79 Bridge (Pike County, Missouri)Built 1935
Pony truss bridge over Noix Creek on MO 79 in Louisiana
Open to two-lane traffic
North Cayuga Street Bridge (Tompkins County, New York)Built 1934; rehabilitated 2002
Pony truss bridge over Fall Creek on North Cayuga Street in Ithaca
Open to traffic
Possum Run Road Bridge (Warren County, Indiana)Built 1925; rehabilitated 1965
Pony truss bridge over Possum Run on Possum Run Road
Open to traffic
Richland Creek Bridge (Morgan County, Missouri)Built 1957
Pony truss bridge over Richland Creek on Route JJ, southwest of Syracuse
Open to one-lane traffic
Robidoux Creek Bridge (Marshall County, Kansas)Built 1931
Pony truss bridge over Robidoux Creek, 0.5 mi. north and 1.5 mi. west of Frankfort
Open to traffic
Sale Creek Bridge (Hamilton County, Tennessee)Built 1954
Pony truss bridge over Sale Creek on Daugherty Ferry Road
Open to traffic
Saline River US 278 Bridge (Bradley County, Arkansas)Built 1949; replaced 2002
Lost pony and deck truss bridge over Saline River on US 278 (formerly AR 4) east of Warren
No longer exists
San Antonio Bridge (Conejos County, Colorado)Built 1988
Pony truss bridge over Rio San Antonio on CR C west of US 285
Open to two-lane traffic
Short Mountain Creek Bridge (Logan County, Arkansas)Built 1928 by the Virginia Bridge & Iron Co.; rehabilitated 1976
Pony truss bridge over Short Mountain Creek on CR 64
Open to traffic
Smackover Creek AR 7 Bridge (Union County, Arkansas)Replaced 1990
Lost pony truss bridge over Smackover Creek on AR 7 (northbound)
Replaced by a new bridge
Smiths Creek Bridge (Franklin County, Arkansas)Built 1928 by the Virginia Bridge & Iron Co.; replaced and relocated to a nearby field
Pony truss bridge formerly over Smiths Creek on AR 309
Closed to all traffic
South Fork Root River Bridge (Fillmore County, Minnesota)Built 1931
Pony truss bridge over South Fork Root River on MN 43
Open to traffic
Spring River Route D Bridge (Jasper County, Missouri)Pony truss bridge over Spring River on Route D southwest of Purcell
Open to two-lane traffic
Square Rock Creek AR 28 Bridge (Scott County, Arkansas)Built 1961; replaced 2003
Lost pony truss bridge over Square Rock Creek on AR 28
Replaced by new bridge
Stephens Bridge (Ouachita County, Arkansas)Built 1928; rehabilitated 1990
Pony truss bridge over the railroad tracks on AR 57 in Stephens
Closed to all traffic
Stono River SC 700 Bridge (Charleston County, South Carolina)Built 1929 by the Greenville Steel & Iron Co.; rehabilitated and widened in 1951; replaced 2004
Lost pony truss swing bridge over Stono River on SC 700, west of Charleston
Open to traffic
Stranger Creek Bridge (Atchison County, Kansas)Built 1925
Pony truss bridge over Stranger Creek, 2.2 mi. north and 5.0 mi. west of Cummings
Open to traffic
Stranger Creek Bridge (Atchison County, Kansas)Built 1925; rehabilitated 1980
Pony truss bridge over Stranger Creek on Haskell Road, 0.5 mi. south of Farmington
Open to traffic
Walnut River Truss Bridge (Cowley County, Kansas)Built 1928
Two-span pony truss bridge over Walnut River, 1.9 mi. west of Rock
Open to traffic
Whitewater Bridge (Cape Girardeau County, Missouri)Built 1954, replacing an older bridge built ca. 1880 located a short distance to the north
Pony truss bridge over Whitewater River on Route A, just west of Whitewater
Open to two-lane traffic