110th Street Bridge (Humboldt County, Iowa)
Built 1911 by the Iowa Bridge Co.
Through truss bridge over East Fork Des Moines River on 110th Street
Open to one-lane traffic

156th Street Bridge (Ray County, Missouri)
Built 1912 by John Dildine and Company; replaced 1999. This was a 5-panel Pratt through truss located near the Hartman Road Bridge
Lost through truss over Crooked River on W. 156th Street beyond the end of Route FF, northeast of Rayville
Replaced by a concrete bridge

Abbett Avenue Bridge (Morris County, New Jersey)
Built 1896; rehabilitated 1941; demolished ca. 1978; replacement bridge built 1986
Lost pony truss bridge over Whippany River on Abbett Avenue in Morristown
Replaced by new bridge

Arkadelphia Railroad Bridge (Clark County, Arkansas)
Two-span through truss railroad bridge over Ouachita River on the Union Pacific Railroad at Arkadelphia
Open to traffic

Bee Creek CR 857 Bridge (Monroe County, Missouri)
Built ca. 1910
Pony truss bridge over Bee Creek on CR 857
Open to one-lane traffic

Big Creek MO 49 Bridge (Iron County, Missouri)
Built 1924
Through truss bridge over Big Creek on MO 49 south of Annapolis
Open to two-lane traffic

Big Sandy Draw Bridge (Chaffee County, Colorado)
Built 1938
Pony truss bridge over Big Sandy Draw on US 24 east of Johnson Corner
Open to traffic

Blood Run Bridge (Humboldt County, Iowa)
Built 1901 by the Marshalltown Bridge & Iron Works; destroyed 2003 in car accident
Lost through truss bridge over Blood Run Creek on Oak Avenue north of Livermore
Collapsed

Boeuf River US 82 Bridge (Chicot County, Arkansas)
Replaced 1950
Lost pony truss bridge over Boeuf River on US 82
No longer exists

Buckeye Creek US 61 Bridge (Cape Girardeau County, Missouri)
Built 1922
Pony truss bridge over Buckeye Creek on US 61 just south of Hughes Creek Bridge
Open to one-lane traffic

Byrd Creek MO 72 Bridge (Cape Girardeau County, Missouri)
Built 1923
Through truss bridge over Byrd Creek on MO 72 northwest of the junction with MO 34
Open to two-lane traffic on a paved road

Castor River MO 72 Bridge (Madison County, Missouri)
Built 1923; rehabilitated 1933
Lost three-span through truss bridge over Castor River and single pony truss over Cape Creek on MO 72 between Fredericktown and Patton
Two spans removed in Summer 2007

Cedar Creek Bridge (Washington County, Missouri)
Built ca. 1910; replaced 2004
Lost two-span through truss bridge over Cedar Creek on CR 540
Replaced by a new bridge

Cedar Falls Bridge (St. Francois County, Missouri)
Built 1911 by Stupp Brothers Bridge & Iron Co. for $3,890. Replaced 1989.
Lost two-span through truss bridge over Flat River on Ceder Falls Road just east of Desloge in Desloge
No longer exists, replaced by concrete bridge

Chouteau Creek Old US 40 Bridge (Cooper County, Missouri)
Built 1924
Pony truss bridge over Chouteau Creek on the south I-70 frontage road (formerly US 40, later Route OO)
Open to traffic

Coller Wildlife Area Bridge (Mineral County, Colorado)
Built ca. 1930
Pony truss bridge over the Rio Grande on CR 430 just off CO 149 at Coller State Wildlife Area
Open to traffic on a gravel road

Creek Road Bridge (Conway County, Arkansas)
Abandoned Pratt through truss bridge over Point Remove Creek on Creek Road (formerly AR 95)
Abandoned and grown over, but mostly intact

Cuttingsville Bridge (Rutland County, Vermont)
Built 1928 by the American Bridge Co.; replaced 1991
Lost pony truss bridge over Mill River on VT 103
Replaced by new bridge

Cypress Bayou AR 31 Bridge (White County, Arkansas)
Lost through truss bridge over Cypress Bayou on AR 31
Replaced by a new bridge in 1955

Cypress Creek CR 64 Bridge (Perry County, Arkansas)
Replaced 1993
Lost skewed through truss over Cypress Creek on CR 64 near Perry
Replaced by a new bridge

Dakota Road Bridge (Christian County, Missouri)
Two-span pony truss bridge over Finley Creek on Dakota Road
Open to one-lane traffic

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

Dutchman Creek Bridge (Johnson County, Illinois)
Built ca. 1930
Through truss bridge on Old IL 146 over Dutchman Creek west of Vienna
Open to two-lane traffic with a 15 ton weight limit

Elsberry Railroad Bridge (Lincoln County, Missouri)
Built 1902 by the American Bridge Co.
Through truss bridge over Lost Creek on the BNSF Railroad at Elsberry
Open to railroad traffic

Eppleyanna Road Bridge (Stephenson County, Illinois)
Built 1896
Through truss bridge over Rock Run Creek on E. Eppleyanna Road, 1.5 mi. west of Davis
Open to traffic

Fifteen Mile Bayou US 79 Bridge (Crittenden County, Arkansas)
Lost bridge over Fifteen Mile Bayou on US 79
No longer exists

Flat Creek Railroad Bridge (Pettis County, Missouri)
Built ca. 1898 by the Sedalia, Warsaw and Southwestern Railroad
Two-span through truss bridge over Flat Creek on South Grand Avenue, south of Sedalia
Open to one-lane traffic

Gill Bridge (Ralls County, Missouri)
Built 1909 by Stupp Brothers Bridge & Iron Co.; replaced 1996
Lost through truss over Lick Creek on Lick Creek Lane (CR 181) just west of Perry
Replaced by a concrete bridge

Grand Ridge Road Bridge (Grundy County, Illinois)
Built ca. 1910; rehabilitated 1965
Closed pony truss bridge over West Fork Mazon River on Grand Ridge Road (TR 109B), .49 mi. east of Tynan Rd
Closed to traffic

Granite Bridge (Chaffee County, Colorado)
Built 1911
Pony truss bridge over Arkansas River at Granite on CR 397 just off US 24
Open to traffic with a 15 ton weight limit

Gridley Bridge (DeKalb County, Missouri)
Built 1891-92 by the Dildine Bridge & Construction Co.; rehabilitated 1987; replaced 1994
Lost through truss over Grindstone Creek on Gridley Road, northwest of Cameron
Replaced by a concrete bridge

Gulpha Creek US 270 Bridge (Garland County, Arkansas)
Lost through truss bridge over Gulpha Creek on US 270
No longer exists

Halltown Bridge (Lawrence County, Missouri)
Built 1923
Pony truss bridge over Billies Creek on MO 266 (Old US 66) just west of Halltown in Halltown
Open to two-lane traffic

Hartman Road Bridge (Ray County, Missouri)
Built 1893 by John Dildine and Company of Cameron, Missouri; replaced 1993
Lost through truss over Crooked River on Hartman Road just south of Route FF, northeast of Rayville
Replaced by a concrete bridge

Hartsburg Bottom Road Bridge (Boone County, Missouri)
Built ca. 1930
Pony truss bridge over Hart Creek on Hartsburg Bottom Road
Open to one-lane traffic with a 10 ton weight limit

Hillers Creek Old US 54 Bridge (Callaway County, Missouri)
Built 1922
Through truss bridge over Hillers Creek on Old US 54 south of Fulton
Open to traffic

Horseshoe Creek Bridge (Lafayette County, Missouri)
Built 1922; made obsolete by new bridge in 1951; replaced Summer 2006
Lost through truss bridge over Horseshoe Creek on Old US 40, west of Bates City
Replaced by a new bridge

Hurricane Creek MO 34 Bridge (Bollinger County, Missouri)
Built 1922, replacing an earlier 1910's structure which had washed away in a flood. Replaced in 1976 by a concrete bridge built by contractor Potashnick Construction Inc.
Lost through truss bridge over Hurricane Creek on MO 34 east of Marble Hill in Marble Hill
Replaced by modern bridge

Irons Fork AR 88 Bridge (Polk County, Arkansas)
Built 1907
Lost two-span through truss bridge over Irons Fork on AR 88 east of Mena
Replaced by a new bridge in 1955

Jewell Drive Bridge (Caldwell County, Missouri)
Bedstead pony truss bridge over Sheep Creek on Jewell Drive
Open to traffic

Joachim Avenue Bridge (Jefferson County, Missouri)
Built 1924; made obsolete by new bridge in 1933; closed to traffic Nov. 21, 2005; main span demolished Dec. 27, 2006
Lost through truss bridge over Joachim Creek on Joachim Avenue (Old US 61/67) in Herculaneum
Demolished to make way for replacement

Johnsey Bridge (Walker County, Alabama)
Probably built by the Canton Bridge Co.
Through truss bridge over Blackwater Creek on Johnsey Bridge Road
Open to one-lane traffic

Johnson Creek Old US 66 Bridge (Lawrence County, Missouri)
Built 1923; made obsolete by new bridge on US 66 (now MO 96) in 1960
Through truss bridge over Johnson Creek on CR 2062 (Old US 66)
Open to traffic

Jones Mill Railroad Bridge (Hot Spring County, Arkansas)
Built 1901
Through truss railroad bridge over Cove Creek on the former Rock Island Railroad next to US 270
Open to railroad traffic

Kelly Road Bridge (Macoupin County, Illinois)
Built 1917; made obsolete by a new bridge on Shipman Road in 1935
Pony truss bridge over Coop Branch on Kelly Road (TR 166), just off Shipman Road
Open to one-lane traffic

Kincaid Creek Bridge (Pendleton County, Kentucky)
Built 1910
Pony truss bridge over Kincaid Creek on Falmouth-Lenoxburg Road
Open to one-lane traffic

Little Black River MO 142 Bridge (Ripley County, Missouri)
Built 1949
Three-span pony truss bridge over Little Black River on MO 142, northwest of Naylor
Open to two-lane traffic on a paved road

Little Blue Creek Bridge (Pike County, Illinois)
Built 1961
Through truss bridge over Little Blue Creek on 482nd Street (TR 506) between Florence and Milton, 2.75 mi. southeast of Detroit
Open to one-lane traffic with a weight limit

Little Bonne Femme Katy Trail Bridge (Boone County, Missouri)
Built 1898 by the A&P Roberts Co. of Pencoyd, Pennsylvania
Through truss bridge over Little Bonne Femme Creek on the Katy Trail
Open to pedestrians and bicyclists only

Little Wabash River Bridge (Effingham County, Illinois)
Built 1909
Through truss bridge over Little Wabash River on TR 157, 2.5 mi. south of Funkhouser
Abandoned with portions of deck missing

Little Zion Bridge (Madison County, Missouri)
Built 1922
Pony truss bridge over a branch of Twelvemile Creek near Zion on CR 417 (Old US 67)
Open to traffic with a 20 ton limit on a paved road

Locust Creek Route B Bridge (Linn County, Missouri)
Built or relocated here in 1938
Through truss bridge over Locust Creek on Route B, west of Linneus
Open to two-lane traffic

Log Creek Road Bridge (Caldwell County, Missouri)
Built 1908
Pony truss bridge over Log Creek on S.W. Log Creek Road
Open to traffic

Lusk Creek Bridge (Pope County, Illinois)
Built 1934
Through truss bridge over Lusk Creek on Eddyville Road (FAS 930), southeast of Eddyville, 3.25 mi. southeast of Eddyville
Open to two-lane traffic

McKinney Creek Bridge (Polk County, Arkansas)
Built 1915
Pony truss bridge over McKinney Creek on CR 50
Open to one-lane traffic

Miller Creek Bridge (Alexander County, Illinois)
Built 1933
Pony truss bridge over Miller Creek on Old Illinois Route 3 northeast of Thebes, 1 mi. north of Thebes
Open to two-lane traffic

Mississippi County Road 307 Bridge (Mississippi County, Missouri)
Built 1921
Pony truss on CR 307 (Old US 60) near Birds Point over a drainage ditch emptying into Brewer Lake in Wyatt
Open to traffic on a paved road with a 20 ton weight limit

Mulberry Bridge (Crawford County, Arkansas)
Built 1896 by the Wrought Iron Bridge Co.
Derelict through truss bridge over Mulberry River near Mulberry
Derelict

Mystery Bridge (Harrison County, Missouri)
Through truss bridge somewhere near Bethany
Unknown status

New Lick Log Creek Bridge (Bollinger County, Missouri)
Originally built ca. 1922 on a state highway. Relocated here in 1995 to replace the older Lick Log Creek Bridge (now derelict)
Refurbished pony truss bridge over Lick Log Creek on CR 736 near Gipsy
Open to traffic with no posted restrictions

Nineteenth Street Bridge (Denver County, Colorado)
Built 1888 by the Missouri Valley Bridge & Iron Works; rehabilitated 1965; closed to traffic 1986; new bridge built 1992
Two-span wrought-iron through truss bridge over South Platte River on 19th Street in Denver
Open to pedestrians only

North Cut Ditch Bridge (Scott County, Missouri)
Built 1923; rehabilitated 1941
Through truss bridge on MO 77 over North Cut Ditch northwest of Diehlstadt
Open to one-lane traffic

Oak Dale Road Bridge (Moniteau County, Missouri)
Built ca. 1930
Through truss bridge over Straight Fork on Oak Dale Road northwest of Latham
Open to one-lane traffic with a 15 ton weight limit

Osage City Railroad Bridge (Cole County, Missouri)
Through truss bridge on the Union Pacific Railroad over Osage River at Osage City
Still in use

Osiris Bridge (Cedar County, Missouri)
Built ca. 1910; replaced 2006
Lost pony truss bridge over Horse Creek on CR 1600
Replaced by a new bridge

Possum Trot Road Bridge (Moniteau County, Missouri)
Built ca. 1940
Pony truss bridge over Factory Creek on Possum Trot Road
Open to traffic

Railroad Bridge Access Bridge (Chaffee County, Colorado)
Built 1919 by the Virginia Bridge & Iron Co.
Through truss railroad bridge over the Arkansas River at Railroad Bridge Access Park
The bridge and Union Pacific railroad line are currently inactive

Ramsey Creek Bridge (Fayette County, Illinois)
Abandoned 1954 after new bridge built to the east
Abandoned through truss bridge over Ramsey Creek on US 51, 6 miles north of Vandalia
Abandoned, but intact and in good condition

Ramsey Creek Bridge (Pike County, Missouri)
Pony truss bridge over Ramsey Creek on CR 207
Open to one-lane traffic with a 6 ton weight limit

Red Bridge (Christian County, Missouri)
Three-span pony truss bridge over Bull Creek on Red Bridge Road southeast of Ozark
Open to one-lane traffic

Richland Creek Bridge (Greene County, Indiana)
Built 1905
Pony truss bridge over Richland Creek on CR 390N
Open to traffic

Riley Lake Bridge (Randolph County, Illinois)
Built 1893; replaced 1979
Derelict through truss bridge over Riley Creek on Kaskaskia Street (FAS 861) north of Fort Kaskaskia State Park
Abandoned on private property, but appears to be intact

Riverdale Bridge (Christian County, Missouri)
Built 1906 by the Canton Bridge Co. of Canton, Ohio; demolished Oct. 2003
Lost two-span through truss bridge over Finley River on Riverdale Road just off US 160
Replaced by a new bridge

Robbins Ditch CR 600N Bridge (Starke County, Indiana)
Built ca. 1920
Pony truss bridge over Robbins Ditch on CR 600 North
Abandoned with deck missing

Rock Church Road Bridge (Warren County, Missouri)
Built or relocated in 1936
Two-span through truss bridge over Big Creek on N. Rock Church Road east of MO 47
Open to one-lane traffic

Rock River Bridge (Rock County, Minnesota)
Built 1916
Through truss bridge over Rock River on a local road southeast of Hardwick
Open to one-lane traffic

Root River MN 250 Bridge (Fillmore County, Minnesota)
Originally built 1931 in Rochester; relocated here in 1960 to replace a similar bridge that had collapsed
Through truss bridge over Root River on MN 250 north of Lanesboro
Open to traffic

Rutherford Bridge (Boone County, Missouri)
Through truss bridge over Cedar Creek east of Englewood Road, beyond the end of Route H
Closed to automobile traffic and retrofitted for pedestrian use

Sager Creek Bridge (Benton County, Arkansas)
Lost pony truss bridge over Sager Creek in Siloam Springs
No longer exists

Saline River US 70 Bridge (Sevier County, Arkansas)
Lost two-span pony truss bridge over Saline River on US 70 west of Dierks
Replaced by a new bridge in 1950

Schilpp Road Bridge (Lee County, Illinois)
Built 1915; relocated August 2006
Relocated pony truss bridge formerly over Five Mile Branch on Schilpp Road
Awaiting reconstruction at a site near Franklin Grove

South Fork Cane Creek Bridge (Carter County, Missouri)
Built 1922
Pony truss bridge over South Fork of Cane Creek south of Ellsinore on CR 256 (Old US 60)
Open to traffic with no posted weight limit

South River CR 402 Bridge (Marion County, Missouri)
Built ca. 1930, replacing an earlier bridge
Pony truss bridge over South River on CR 402, east of Palmyra
Open to one-lane traffic

Splice Creek Road Bridge (Moniteau County, Missouri)
Built or relocated here ca. 1930
Pony truss bridge over Splice Creek on East Splice Creek Road near Lupus
Open to one-lane traffic

Spring River CR 1040 Bridge (Lawrence County, Missouri)
Built ca. 1930
Through truss bridge over Spring River on CR 1040
Open to traffic

Streit Road Bridge (McHenry County, Illinois)
Pony truss bridge over North Branch Kishwaukee Creek on Streit Road
Open to two-lane traffic

Sugar Creek Branch 3000E Bridge (Iroquois County, Illinois)
Built 1916; rehabilitated 1933
Through truss bridge over a branch of Sugar Creek on 3000E Road, 2 mi. northeast of Stockland
Open to traffic

Sulphur Springs Railroad Bridge (Hillsborough County, Florida)
Through truss bridge over Hillsborough River on the former Seaboard Air Line Railway (now CSX)
Open to traffic

Sunset Bridge (Polk County, Missouri)
Built 1884-85 on the Bolivar-Buffalo Road at Burns by the King Bridge Co.; relocated to Sunset Ford in 1931-32
Lost through truss bridge over Pomme de Terre River on 475th Road between the ends of Route Y and Route YY
No longer exists

Terre Noire Branch AR 26 Bridge (Clark County, Arkansas)
Lost pony truss bridge over a branch of Terre Noire Creek on AR 26
No longer exists

Texas Creek Bridge (Fremont County, Colorado)
Built 1907 by the Pueblo Bridge Co.
Pony truss bridge over Arkansas River on CR 27 at Texas Creek
Open to traffic

Trickum Road Bridge (Pettis County, Missouri)
Built 1884-85 by the King Bridge Co. on the county seat road between Sedalia and Marshall. Relocated ca. 1920 a short distance to the southwest. Replaced by a new concrete bridge in 1991
Lost through truss over Heaths Creek on Trickum Road just west of the intersection between US 65 and Route BB
Replaced by a concrete bridge

Turkey Creek Bridge (Benton County, Missouri)
Built ca. 1930; rehabilitated 1974
Pony truss bridge over Turkey Creek on CR SE 810 near the end of Route PP
Open to traffic

Turkey Creek Old US 65 Bridge (Pettis County, Missouri)
Built 1925
Pony truss bridge over Turkey Creek on Claycomb Road (Old US 65) north of Sedalia
Open to traffic

Vulcan MO 49 Bridge (Iron County, Missouri)
Built 1924
Pony truss on MO 49 over Vulcan Creek at the intersection with Route BB at Vulcan
Open to two-lane traffic

Walnut Street Bridge (Izard County, Arkansas)
Built 1908 by the Illinois Steel Bridge Co.; rehabilitated 2001
Pony truss bridge over Calico Creek on Walnut Street in Calico Rock
Open to one-lane traffic with a 7 ton weight limit

Watervale Road Bridge (Harford County, Maryland)
Built 1900; rehabilitated 1976
Pony truss bridge over Winters Run on Watervale Road in Bel Air North
Open to traffic

Wittenberg Railroad Bridge (Perry County, Missouri)
This railroad line was completed in 1904, although I don't know if this particular bridge is that old or not
Through truss bridge over Brazeau Creek at Wittenberg on the Burlington Northern Santa Fe railroad
Still in use

Woodside Road Bridge (Sevier County, Arkansas)
Built 1912; replaced 2003
Lost pony truss bridge over Saline River on Woodside Road (Sevier CR 23)
Replaced by new train car chassis bridge

Zalma Bridge (Bollinger County, Missouri)
Built 1929-30, replacing a 1900 span that was then moved to Gipsy
Through truss bridge over Castor River on MO 51 at Zalma
Open to one-lane traffic on a paved road