Cast iron

"Flying" Bridge (Chickasaw County, Iowa)
Built 1876 in Otterville, IA. Moved to Fredericksburg, IA in 1998.
Pratt through truss bridge over East Wapsipinicon River on Robert Mattke Park Trail
Open to pedestrians

Aldrich Change Bridge (Wayne County, New York)
Built 1858 to span the Erie Canal at Rochester; relocated 1880 to Palmyra; sold to farmer and relocated to cross Ganargua Creek; collapsed 1996; relocated and restored in Palmyra 2002-03
Parker pony truss bridge relocated and preserved at Aqueduct Park in Palmyra
Open to pedestrians

Atherton Bridge (Worcester County, Massachusetts)
Built 1870 by J.H. Cofrode & Co.; closed to traffic in 1975
Iron pony truss bridge over South Branch Nashua River on Bolton Road
Open to pedestrians

Bergfeld Pond Bridge (Dubuque County, Iowa)
Built as part of Dubuque Bridge in 1872, relocated to Whitewater Creek Drive in 1898, dismantled and relocated to present site in 2007
Pratt through truss bridge over Bergfeld Pond at Bergfeld Park on Pedestrian path
Open to pedestrians only

Bollman Bridge (Howard County, Maryland)
Built for the main line of the B&O Railroad in 1869. Moved to present location around 1887. Remained in service until 1947. Restored in 1968 (perhaps 1983).
Bollman through truss bridge over Little Patuxent River in Savage, near the intersection of Goman Road and Foundry Street
Open to pedestrians

Bow Bridge (New York County, New York)
Built 1859-62
Cast iron plate girder bridge over The Lake on a pedestrian walkway in Central Park
Open to pedestrians

Cathance River Bridge (Older) (Sagadahoc County, Maine)
Originally Erected in 1866, moved to ME and re-erected in 1895
Lost Whipple through truss bridge over Cathance River on Black Hill Road (ME 24)
Replaced by a new bridge

CB&Q - Quincy Bay Bridge (Oldest) (Adams County, Illinois)
Built 1868; Approached replaced by DPGs 1886; Replaced 1899
Lost Bollman deck truss bridge over Quincy Bay on Chicago, Burlington & Quincy
Replaced by a new bridge

Chestnut Street Bridge (Philadelphia County, Pennsylvania)
Built 1866; replaced 1957
Lost Iron arch bridge over Schuylkill River on Chestnut Street
Replaced by a new bridge

Chili Mills Bridge (Monroe County, New York)
Built 1877 by the King Bridge Company
Bowstring pony truss bridge over Black Creek on Stuart Road
Open to pedestrians only

Cloie Bridge (Dubuque County, Iowa)
Formerly an approach span on Dubuque Railroad Bridge (1872 bridge)
Relocated Pratt through truss bridge formerly over Little Maquoketa River on Clay Hill Drive
Replaced by new bridge; truss bridge sitting next to Heritage Trail just NW of Access Road

Columbia Bridge (Franklin County, Kansas)
Built in 1880 by the Columbia Bridge Works of Dayton, Ohio. Bypassed in 1980, but never removed. Collapsed 2010.
Lost Pratt through truss bridge over Marais des Cygnes River on what appears to be a former alignment of Labette Road.
Lost

CPRR - Bear River Bridge (Box Elder County, Utah)
Built 1882; Replaced & relocated 1886
Whipple through truss bridge over Bear River on Central Pacific Railroad relocated to Springfield, Oregon.
Replaced by a new bridge

Dixon Truesdell Bridge (Lee County, Illinois)
Built in 1869, collapsed 1873 May 4 during a baptism in the river. Spectators were on the bridge when it collapsed, killing about 45 people.
Lost Truesdell pony truss bridge over Rock River
Collapsed in 1873

Dunlap's Creek Bridge (Fayette County, Pennsylvania)
Built 1836-39; rehabilitated 1981
Cast-iron arch bridge over Dunlap Creek on PA 4003 in Brownsville
Open to traffic

Elm Street Bridge (Windsor County, Vermont)
Built 1870 by the National Bridge & Iron Works; Rehabilitated c. 1900; Rehabilitated 1980
Parker Patent pony truss bridge over Ottauquechee River on VT 12 (Elm Street)
Open to traffic

Eureka Bridge (Winneshiek County, Iowa)
Built 1872; Relocated to City Park, Castalia, Iowa 1995
Bowstring pony truss bridge over land, it is displayed on flat ground in Castalia
Open to pedestrians

Falling Rock Camp Iron Bridge (Licking County, Ohio)
Built ca. 1872; relocated 1927 and 1931
Iron pony truss bridge over Rocky Fork at Falling Rock Boy Scout Camp
Has been moved and restored in the camp.

GAP - Bollman Bridge (Somerset County, Pennsylvania)
Built 1871 on the B&O Railroad; relocated 1910 as a vehicular bridge
Iron through truss bridge formerly carrying the B&O Railroad
Open to pedestrians only

Gothic Arch (New York County, New York)
Built 1864
Cast iron bridge over the bridle path on a pedestrian walkway in Central Park
Open to pedestrians

Hardin City Bridge (Hardin County, Iowa)
Built 1879; relocated 1989 to a location one mile from its original location
Relocated through truss bridge northwest of Steamboat Rock
Relocated to a wildlife refuge just off the street. Bridge is derelict but may be relocated to a park or bike trail in the future

Hayden Bridge (Lane County, Oregon)
Built 1882 in Corrine, Utah, 1901 Moved to current location, 1987 Abandoned, 2016 purchased for preservation by Workin' Bridges
Rescued Whipple truss bridge over McKenzie River on Abandoned Weyerhauser Logging Railway in Springfield
Under Preservation by Workin' Bridges - larger park being planned.

Howard Street Kokosing River Bridge (Knox County, Ohio)
Built 1874; One of two spans remained until June 2007
Lost through truss bridge over Kokosing River on Howard Street (old CR 35)
No longer exists

Island Park Bridge (Elkhart County, Indiana)
Built in 1869 by Simon Degraff as part of a 2-span bridge over the St. Joseph's River in Bristol, this span relocated here in 1907.
Lost bowstring through truss bridge over Elkhart River at Island Park entrance
Lost

Johnstown Bridge (Schenectady County, New York)
Built ca. 1869 over Cayadutta Creek; relocated to Union College in 1979
Bowstring pony truss bridge on pedestrian walkway on the Union College campus
Open to pedestrians

Kansas Avenue Bowstring (Shawnee County, Kansas)
Built sometime in the 1870s or before, replaced 1898 by the Melan Arch Bridge
Lost bowstring through truss bridge over Kansas River on Kansas Avenue
Replaced by a new bridge 1898

Lisbon Bridge (Columbiana County, Ohio)
Built 1872; replaced and relocated in 1966; relocated and restored in 2017.
Bowstring truss bridge formerly crossing Middle Fork Little Beaver Creek
Open to pedestrian traffic in new location.

Lock One Park Morrison Bridge (Auglaize County, Ohio)
Built 1864; relocated 1894 and again in 1984
Bowstring pony truss bridge over Miami and Erie Canal in New Bremen
Open to pedestrians only

Lower Rollstone Street Bridge (Worcester County, Massachusetts)
Built 1870 by the National Bridge & Iron Works
Parker pony truss bridge over North Nashua River on Rollstone Street
Intact but closed to all traffic

Mill Road Bridge (Schenectady County, New York)
Relocated ca. 1983 from Parish, NY
Pratt pony truss bridge over Unnamed brook on Pedestrian Path
Open to pedestrians only

New Hampton Bridge (Hunterdon County, New Jersey)
Built 1868 by the Cowin Iron Works for the Pennsylvania Railroad
Iron pony truss bridge over Musconetcong River on Rymon Road
Open to traffic

Oak Knoll Park Bridge (Stark County, Ohio)
Built 1859 by Joseph Davenport near Alliance; relocated to Massillon in 1899; rehabilitated 2010
Howe pony truss bridge on a footpath at Oak Knoll Park in Massillon
Open to pedestrians

Old Clay's Ferry Bridge (Fayette County, Kentucky)
Built 1871; rehabilitated 1955
Two-span through truss bridge over Kentucky River on KY 2328 (Old US 25) in Lexington
Open to traffic

Old Danforth Street Bridge (Middlesex County, Massachusetts)
Built 1890 by Dean & Westbrook; bypassed 1982
Pratt pony truss bridge on an old alignment of Danforth Street over Sudbury River
Open to pedestrians

Old Lombard Street Iron Bridge (Baltimore, Maryland)
Built 1877, disassembled and moved for storage ca. 1975
Abandoned pony truss bridge in storage for potential reuse/preservation
In Storage

Old Mill Road Bridge (Northampton County, Pennsylvania)
Built 1867; rebuilt in 1930 and 1948
Pratt through truss bridge over Saucon Creek on Old Mill Rd in Lower Saucon Township
Open to pedestrians

Pine Bank Arch (New York County, New York)
Built 1861
Cast iron girder bridge over the bridle path on a pedestrian walkway in Central Park
Open to pedestrians

Ponakin Bridge (Worcester County, Massachusetts)
Built 1871; closed to traffic 1978
Post through truss bridge over North Branch Nashua River on Ponakin Road
Closed to all traffic

Poteau River Iron Bridge (Beale Bridge) 1860 (Sebastian County, Arkansas)
Built in 1860 as part of the Beale road project funded by the federal government.
Lost Iron through truss bridge (possibly Bowstring design) over Poteau River on Beale Road
No longer exists

PRR - Ronks Haupt Bridge (Lancaster County, Pennsylvania)
Built 1851; damaged 2018
Haupt through truss bridge over Amtrak (former PRR) on Private farm road
Superstructure damaged in 2018 for unknown reasons

Pulp Mill Bridge (Coos County, New Hampshire)
Built circa 1868; Bypassed 1921
Abandoned Whipple through truss bridge
Derelict/abandoned

Reading-Halls Station Bridge (Lycoming County, Pennsylvania)
Built ca. 1846 on the Philadelphia & Reading Railroad; later relocated here to carry vehicular traffic
Wrought and cast iron pony truss bridge over the former Philadelphia & Reading Railroad on a private driveway
In use for private road/drive

Reservoir Bridge Southeast (New York County, New York)
Built 1865
Cast iron girder bridge over the bridle path on a pedestrian walkway
Open to pedestrians

Reservoir Bridge Southwest (New York County, New York)
Built 1864
Cast iron bridge over the bridle path on a pedestrian walkway
Open to pedestrians

Riverside Avenue Bridge (Fairfield County, Connecticut)
Built 1871 as part of a six-span bridge over the Housatonic River; relocated here 1895; reconstructed 1989
Whipple through truss bridge over Northeast Corridor (Metro North Railroad) on Riverside Avenue
Open to traffic

Rodrick Bridge (Licking County, Ohio)
Built 1872 by the Coshocton Iron Works using a design patented in 1841 by Squire Whipple. Relocated in 1998.
Bowstring through truss bridge originally located over Wills Creek on TR 144 in Coshocton County and relocated to Ohio State University-Newark Campus grounds
Open to pedestrians only

Rush's Mill Bridge (Berks County, Pennsylvania)
Built 1869 over Perkiomen Creek; relocated and rehabilitated for pedestrian traffic in 1980
Iron pony truss bridge over Plum Creek on the Union Canal Trail
Open to pedestrians

Scarlets Mill Bridge (Berks County, Pennsylvania)
Built 1881
Relocated Foreman pony truss bridge on the Horseshoe Trail

School Street Bridge (Hunterdon County, New Jersey)
Built 1870 by the Cowin Iron Works; rehabilitated 1993
Pony truss bridge over Spruce Run River on School Street in Glen Gardner
Open to traffic

Shaw Bridge (Columbia County, New York)
Built 1870 by J.D. Hutchinson
Abandoned bowstring pony truss bridge over Claverack Creek on Van Wyck Lane
Abandoned

Sixth Street Bridge (Lynchburg, Virginia)
Built 1871-72; roadway deck removed in 1944
Baltimore deck truss bridge over Blackwater Creek on Sixth Street
Unknown status: Probably lost

Sockman Road Bridge (Knox County, Ohio)
Built 1873 by the Russell Bridge Co.; replaced 1996
Lost pony truss bridge over Granny Creek on Sockman Road (TR 384)
No longer exists

Southern Pacific Railroad Bridge (Sacramento County, California)
Built 1884 by Phoenix Bridge Company, originally located near Saugus, later relocated to Tehachapi Creek and later to Danville
Pratt through truss bridge on Display train
Intact but closed to all traffic

Sylvan Island Railroad Bridge (Rock Island County, Illinois)
Built 1868 as part of a larger bridge over the Mississippi River at Burlington; one span relocated here and shortened in 1891
1 Span Whipple through truss bridge with Phoenix columns over Mississippi River on former railroad spur in Moline.
Abandoned.

Tioronda Bridge (Dutchess County, New York)
Built 1872-73; closed to traffic 1985; dismantled 2006
Three-span bowstring pony truss bridge over Fishkill Creek on South Avenue
Trusses disassembled and placed in storage; piers and abutments still standing

Vine Street Pedestrian Bridge (Washington County, Vermont)
Built 1870 as a railroad bridge; Relocated/Converted to highway bridge c.1900; bypassed &reconstructed as a pedestrian bridge 1989
Parker Patent pony truss bridge over New England Central Railroad on Vine Street sidewalk
Open to pedestrians

Virginia Street Bridge (Washoe County, Nevada)
Built 1877; Replaced & Moved 1905; Lost to flood 1950
Lost Bowstring through truss bridge over Truckee River on Virginia Street
Replaced by a new bridge

Vischers Ferry Bridge (Saratoga County, New York)
Built 1869 over the Erie Canal at Fultonville; relocated 1919 to cross Cayadutta Creek at Fonda; moved and preserved 1996-98
Bowstring pony truss bridge over abandoned section of Erie Canal on a pedestrian walkway in Vischer Ferry Nature and Historic Preserve
Open to pedestrians

Walnut Street Bridge (Northampton County, Pennsylvania)
Built 1860
Pratt through truss bridge formerly over Saucon Creek on Walnut Street in Hellertown
Open to pedestrians

Watkins Glen Footbridge (Schuyler County, New York)
Built ca. 1873
Bowstring pony truss bridge over Watkins Glen Gorge on a pedestrian trail at Watkins Glen State Park
Open to pedestrians

West Main Street Bridge (Hunterdon County, New Jersey)
Built 1870 by the Cowin Iron Works
Two-span iron pony truss bridge over South Branch Raritan River on W. Main Street in Clinton
Open to one-way traffic

White Water Creek Bridge (Dubuque County, Iowa)
Built 1872 as part of a seven-span bridge over a Mississippi River slough at Dubuque; relocated here ca. 1890; and again back to Dubuque to serve as a recreational area at a local park in 2007
Through truss bridge over White Water Creek on Whitewater Drive
Replaced by a new bridge; Truss bridge relocated to a park in Dubuque

White Water Creek Bridge (Dubuque County, Iowa)
Built ca. 1890; replaced 1999; former approach span of original (1868) Dubuque RR bridge. Currently sits beside road near replacement bridge.
Lost through truss bridge over White Water Creek on Hempstead Rd.
Replaced by new bridge; sits beside road near replacement bridge

Zoarville Station Bridge (Tuscarawas County, Ohio)
Built in 1868 by Smith,Latrobe,& Co., relocated and restored in 2007.
Fink through truss bridge over Conotton Creek on Old section SR-212
Open to pedestrians