There are 9,196 bridges in this category · Only showing 7,189 bridges with photos
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Pratt truss

The Pratt truss is named after Thomas and Caleb Pratt, Boston railroad engineers who patented the design in 1844. The Pratt and its variations are the most common design of metal truss bridges. On a basic Pratt truss, the diagonals slope toward the center of the bridge, do not cross any verticals, and are approximately parallel. The top chord is straight and parallels the lower chord. The panels can have sub-divisions - or verticals and diagonals that don't reach from the top to bottom chord, though this can be considered a variation of the basic type. There are many variations, or sub-types of the Pratt truss, some of which have their own name including Parker, camelback, Pennsylvania, Baltimore, and others. It is used in bridges as a through truss, pony truss, and deck truss.


NYC - DePue Swing Bridge (Bureau County, Illinois)
(Main design: Warren through truss)
Lost Polygonal Warren through truss bridge over Illinois River on New York Central Railroad/Chicago, Milwaukee, St. Paul & Pacific Railroad
No longer exists

NYC - Gauley River Bridge (Fayette County, West Virginia)
Abandoned through truss bridge over Gauley River on former New York Central Railroad
Abandoned

NYC - Harlem River Bascule Bridge (1867) (New York County, New York)
Built 1867; Replaced 1897
Lost Pratt through truss bridge over Harlem River on Metro North RR
Replaced by a new bridge

NYC - Harlem River Swing Bridge (1897) (New York County, New York)
Built 1897; Replaced 1954
Lost Pratt through truss bridge over Harlem River on New York Central Railroad
Replaced by a new bridge

NYC - Iroquois River Bridge (Newton County, Indiana)
Built 1905 by the American Bridge Company
Pratt through truss bridge over Iroquois River on New York Central Railroad
Abandoned

NYC - Little Shenango River Railroad Bridge (Mercer County, Pennsylvania)
Abandoned pratt through truss bridge over Little Shenango River on New York Central Railroad (Abandoned)
Derelict/abandoned

NYC - Maiden Lane Bridge (1872) (Albany County, New York)
(Main design: Whipple through truss)
Built 1872; Replaced 1899
Lost Whipple through truss bridge over Hudson River on New York Central Railroad
Replaced by a new bridge

NYC - Mill Creek Bridge (Ashtabula County, Ohio)
Originaly part of the Lake Shore &Michigan Southern Franklin Division High grade
Abandoned bridge over Mill Creek on Former rail line
Abandoned

NYC - Raisin River Bridge (Lenawee County, Michigan)
Replaced 1907
Lost Pratt through truss bridge over Raisin River on New York Central Railroad
Replaced by a new bridge

NYC - Raisin River High Bridge (Lenawee County, Michigan)
Line abandoned 1931- bridge appears on Google aerial photos
Abandoned Pratt deck truss bridge over Raisin River on NYC RR
Derelict/abandoned

NYLB - Raritan River Bridge (Old) (Middlesex County, New Jersey)
(Main design: Whipple through truss)
Built 1875; Replaced 1908
Lost Whipple through truss bridge over Raritan River on New York & Long Branch Railroad
Replaced by a new bridge

NYSW - Tusten Station Bridge (Sullivan County, New York)
Built 1904
Through truss bridge over Delaware River on Central New York Railroad


O Road Little Nemaha River Bridge (Otoe County, Nebraska)
Built 1895
Pratt through truss bridge over North Fork Little Nemaha River on CR-O, 1 mi. south of Lorton
Open to traffic, 3 to 6 ton weight limit

O&BSL - Dunbar Creek Bridge (Fayette County, Pennsylvania)
Mostly removed and abandoned deck truss bridge over Dunbar Creek on Railroad
Mostly removed and abandoned

O'Neal Bridge (Boone County, Indiana)
Built ca. 1892; restored 2008-09; heavily damaged in 2017; restored again in 2019.
Pratt through truss over Big Eagle Creek on Holliday Road off of US 421, north of Zionsville
Restoration completed but bridge to remain closed while heavy equipment is in used nearby.

O'Neall Bridge (Newberry County, South Carolina)
Abandoned through truss bridge over Bush River on Old alignment of Belfast Road
Derelict/abandoned

O.F. Kelly Mystery Bridge (Whitley County, Indiana)
Built ca. 1890
Lost Pratt through truss bridge over Eel River on State Street
No longer exists

Oak Creek Bridge (Noble County, Oklahoma)
Built ca. 1910
Pony truss bridge over Oak Creek on E0500
Intact but closed to all traffic

Oak Creek Bridge (Adams County, Illinois)
Pony truss bridge over Oak Creek on TR 77, 2 mi. northwest of Marcelline
open to all traffic

Oak Creek Trail - Oak Creek Bridge (Saunders County, Nebraska)
Built 1908, Abandoned 1993. Converted 1996.
Pratt through truss bridge over Oak Creek on Oak Creek Trail
Open to pedestrians

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

Oak Grove Road Bridge (Clarke County, Mississippi)
Bypassed in 1986
Abandoned through truss bridge over Okatibbee Creek on CR 379 (Oak Grove Road)
Abandoned

Oak Hill Cemetery Bridge (Christian County, Illinois)
Built ca. 1910 by the Vincennes Bridge Company, replaced in 1987
Lost Through truss bridge over South Fork Sangamon River on Cemetary Road
Replaced by a new bridge

Oak Ridge Bridge (Nelson County, Virginia)
Built 1882
Pratt through truss bridge over Norfolk Southern Railway on Wilson Road (Route 653)
Open to traffic

Oak Street Bridge (Clayton County, Iowa)
Built 1915
Pony truss bridge over Nagle Creek on Oak Street in Volga
Open to traffic

Oak Street Bridge (Sedgwick County, Kansas)
Lost Pratt pony truss bridge over Pond on Oak Street
Removed but not replaced

Oak Street Bridge (1898) (Hardin County, Iowa)
Built 1898, Replaced 1928
Lost Pratt through truss bridge over Iowa River on Oak Street
Replaced by a new bridge

Oak Valley Bridge (Cedar County, Iowa)
Built ?; Replaced ca. 1935
Lost Pratt through truss bridge over Sugar Creek on Old Muscatine-Tipton Road
Replaced by a new bridge

Oakland Mills Bridge (Henry County, Iowa)
(Main design: Pratt through truss)
Built in 1876; converted to pedestrian bridge in the 1970s and became part of the state park
Pratt through truss bridge over Skunk River on Pedestrian trail (formerly county road) at Oakland Mills State Park
Open to pedestrians

Oakman Parrish Road Bridge (Walker County, Alabama)
Built 1920
Pratt through truss bridge over Lost Creek on Oakman Parrish Road
Closed to all traffic

Oaks Creek Bridge (Otsego County, New York)
Built ca.1880 by the Wrought Iron Bridge Company
Through truss bridge over Oaks Creek on Lower Toddsville Road
Closed to all traffic

Oatsville Road Bridge (Gibson County, Indiana)
Built 1925; replaced 1999
Lost through truss bridge over New Patoka River on Oatsville Road
Replaced by new bridge

Obed Bridge (Navajo County, Arizona)
Built 1912; rehabilitated 1978, replaced 2010
Lost Pratt pony truss bridge over Little Colorado River on Obed Road
Replaced, but spans are placed in storage nearby in Holbrook

Obed Bridge Storage Location (Navajo County, Arizona)
(Main design: Pratt pony truss)
Stored here 2010
Pratt pony truss bridge
In storage or disassembled

Obion Creek KY 58 Bridge (Hickman County, Kentucky)
Built 1928
Pony truss bridge over Obion Creek on KY 58
Open to traffic

Obion River Bridge (Obion County, Tennessee)
Built 1928 and operated as toll bridge until 1939
Through truss bridge over Obion River on old TN 211 at Obion
Closed to all traffic about 1990

Obion River Bridge (Dyer County, Tennessee)
Built 1948; rehabilitated 1993
Through truss bridge over Obion River on TN 104
Open to traffic

OC&E State Trail - USRS "A" Canal Bridge (Klamath County, Oregon)
Built 1898, 1917 Relocated to Klamath Falls
Pratt through truss bridge over USRS "A" Canal on Oregon, California & Eastern Railroad Trail
Open to pedestrians

Ocheydan River Bridge (Clay County, Iowa)
(Main design: Warren pony truss with alternating verticals)
Built ca. 1900; Replaced 2015
Warren pony truss bridge over Ocheyedan River on 300th Street
Center pier between pony's - Cap rotted out - Closed after last inspection

Ocmulgee River Bridge (Pulaski County, Georgia)
Built in 1921
Lost Pratt through truss bridge over Ocmulgee River on Route 341 Golden Isle Parkway
No longer exists

Oconee River Bridge (Laurens County, Georgia)
(Main design: Pratt through truss)
Built 1923; Replaced 1952
Lost Pratt through truss swing bridge over Oconee River on Jackson Street
No longer exists

Oelke Road Bridge (Monroe County, Michigan)
Built 1899
Pratt pony truss bridge over North Macon Creek on Oelke Road
Closed to all traffic

Offield Creek CR 325W Bridge (Montgomery County, Indiana)
Built 1915; replaced 1991
Lost through truss bridge over Offield Creek on County Road 325 West
Replaced by new bridge

Offield Creek CR 400W Bridge (Montgomery County, Indiana)
Built 1914; replaced 1999
Lost through truss bridge over Offield Creek on County Road 400 West
Replaced by new bridge

Ogden Street Bridge (Older) (Marinette County, Wisconsin)
Lost Pratt through truss bridge over Menominee River on Ogden Street /1 Street
Replaced by a new bridge

Ogeese Creek Bridge (Neosho County, Kansas)
Built 1905 by A.M. Blodgett, Kansas City, MO.
Lost pony truss bridge over a branch of Neosho River, 0.5 mi. west and 3.9 mi. south of Erie
Destroyed by severe storm.

Ogle Creek Bridge (Alleghany County, Virginia)
Built 1932
Through truss bridge over Ogle Creek on Route 660
Abandoned with deck missing

OH 138 - McCortney Run Bridge (Ross County, Ohio)
Built 1881
Lost Through truss bridge over McCortney Run on OH 138


OH 202 - Lost Creek Bridge (Miami County, Ohio)
Lost Through truss bridge over Lost Creek on OH 202
Replaced by a new bridge in 1955

OH 3 - Black Fork Mohican River Bridge (Ashland County, Ohio)
Built 1913
Lost Through truss bridge over Black Fork Mohican River on OH 3/Main Street
Replaced by a new bridge in 1974

OH 44 - Cuyahoga River Bridge (Portage County, Ohio)
Lost Pratt through truss bridge over Cuyahoga River on OH 44
Replaced by a new bridge

OHCR - Muskingum River Bridge (Conesville) (Coshocton County, Ohio)
Through truss bridge over Muskingum River on Norfolk & Western RR in Conesville
Open to traffic

Ohio Edison Bridge (Marshall County, West Virginia)
Pratt through truss bridge over Ohio River on Pedestrian Path


Ohio Street Bridge (Wichita County, Texas)
Built 1911; Converted to road after 1972
Pratt through truss bridge over Wichita River on Bridge Street
Open to pedestrians only

Ohl Street Bridge (Mercer County, Pennsylvania)
Built 1909 by Canton Bridge Co.; rehabilitated 1980
Through truss bridge over Shenango River on Ohl Street in Greenville
Closed to all traffic; awaiting replacement

Okabena Bridge (Jackson County, Minnesota)
Built 1936; replaced 1998
Lost through truss bridge over Jack Creek on CSAH 9 at Okabena
Replaced by a modern bridge

Okabena Creek Bridge (Jackson County, Minnesota)
Built 1905; relocated to this spot and rehabilitated 1938; closed to traffic in 1990
Pony truss bridge over Okabena Creek on CR 187
Closed to all traffic

Okamanpedan State Park Bridge (Emmet County, Iowa)
Built 1914; rehabilitated 1923
Pony truss bridge over East Fork Des Moines River on Tuttle Lake Road at Okamanpedan State Park
Open to one-lane traffic

Okatibbee Creek CR 378 Bridge (Clarke County, Mississippi)
Built 1951
Pratt through truss bridge over Okatibbee Creek on CR 378
Intact but closed to all traffic

Old 230th Street Bridge (Cedar County, Iowa)
Abandoned Pratt pony truss bridge over Sugar Creek on Old alignment of 230th Street
Abandoned

Old 2nd Ave Bridge (Floyd County, Georgia)
Lost Pratt through truss bridge over Oostanaula River on 2nd Ave
Replaced by a new bridge

Old 708 Road Bridge (Richardson County, Nebraska)
Abandoned pratt through truss bridge over Muddy Creek on an abandoned section of county road 708
Abandoned

Old Airport Bridge (Williamson County, Texas)
Built 1922; Bypassed by new bridge in 1987
Through truss bridge over Berry Creek on CR 190 (Airport Rd) in Georgetown
Closed to all traffic

Old Alabama Bridge (Bartow County, Georgia)
Replaced by new bridge in 1979
Abandoned pratt pony truss bridge over Pumpkinvine Creek on Old alignment of Old Alabama Road (Future SR 113).
No longer exists

Old Alton Bridge (Denton County, Texas)
Built 1884 by the King Iron and Bridge Co.; later bypassed
Through truss bridge over Hickory Creek on Old Alton Road in Denton
Open to pedestrians only

Old Alton Road Bridge (Oregon County, Missouri)
Built 1914 by the East St. Louis Bridge Co.; demolished 2008
Lost through truss bridge over Warm Fork Spring River on the old Thayer-Alton Road near Thayer
Removed Summer 2008 and sold for scrap

Old Appleton Bridge (Cape Girardeau County, Missouri)
(Main design: Pratt through truss)
Built 1879 by H.W. Sebastian & Co. of St. Louis; washed away by flash flood on December 3, 1982; reconstructed 2005
Wrought-iron through truss bridge over Apple Creek on Main Street in Old Appleton
Open to pedestrians and bicyclists only

Old Barn Bridge (Fillmore County, Minnesota)
Built 1914
Through truss bridge over Mill Pond South Branch Root on Heron Road
Closed to all traffic

Old Belle Isle Bridge (Richmond, Virginia)
Abandoned pratt through truss bridge over James River on an abandoned service road for the Old Dominion Iron and Steel Corp.
Only one span on the southern shore of the James River remains on the grounds of the Belle Isle Park

Old Bellwood Bridge (Geneva County, Alabama)
Built 1925
Lost Pratt Through truss bridge over Choctawhatchee River on County Rd. 45
Replaced by a new bridge

Old Birmingham & Southeastern Railway Tallapoosa River Bridge (Macon County, Alabama)
Abandoned pratt through truss bridge over Tallapoosa River on former Tallassee and Montgomery RR
Abandoned

Old Bonne Terre Road Bridge (St. Francois County, Missouri)
Built ca. 1910; replaced in 1982
Lost bridge over Big River between Desloge and Bonne Terre on Old Bonne Terre Road
Replaced by a modern bridge

Old Brazos River Bridge (Falls County, Texas)
Removed 1962
Lost Pratt through truss bridge over Brazos River
Replaced by a new bridge

Old Bridge (Allen County, Kentucky)
(Main design: Pratt through truss)
Abandoned pratt through truss bridge over Trammel Creek on an abandoned section of Old Bridge Road
Abandoned

Old Bristol Highway Bridge (Carter County, Tennessee)
Built 1927-29
lost three-span Pratt through truss bridge over Watauga River on State Highway 400 (Old U.S. 19-E) in Elizabethton
Demolished

Old Caesar Creek Gorge Bridge (Warren County, Ohio)
Built 1921
Pratt pony truss bridge over outlet for Caesar Creek Lake on Gorge Trail Loop/ Caesar Creek Gorge Access Road
Open to pedestrians only

Old Camp Nine Footbridge (Calaveras County, California)
Plausibly built 1890-1930
Abandoned Pratt through truss bridge over Stanislaus River on Camp Nine Footpath
Abandoned with no deck

Old Cane River Lake Bridge (Natchitoches Parish, Louisiana)
Built 1912; replaced 1980
Pratt through truss bridge over Cane River Lake on former LA 119
Intact but closed to all traffic

Old Carrol Road Bridge (Clark County, Indiana)
Bypassed 1976
Abandoned half hip pratt pony truss bridge over Branch of Fourteen Mile Creek on a former alignment of Carroll Road
Bypassed by new bridge

Old Cascade Highway Bridge (King County, Washington)
Built 1922
Pratt through truss bridge over Miller River on Old Cascade Highway
Closed due to flood damage

Old Channel Verdigris River Bridge (Wagoner County, Oklahoma)
(Main design: Parker through truss)
Abandoned Parker through truss bridge with Pratt approach spans over Old Channel Verdigris River on an old alignment of E0665 Road
Abandoned with deck missing

Old Chenango Bridge (Broome County, New York)
Lost Pratt through truss bridge over Chenango River on Rt 12 A
Destroyed by an ice gorge

Old Clairton Road Bridge (Allegheny County, Pennsylvania)
Built ca. 1886; rehabilitated 1967; removed 2002
Lost wrought-iron through truss bridge over CSX Railroad on Old Clairton Road
Removed but not replaced

Old Clifton Mills Road Bridge (Preston County, West Virginia)
Built 1884 by the Wrought Iron Bridge Co.
Through truss bridge over Big Sandy Creek on CR 8/4
Open to traffic

Old Co Rd 37 Bridge (Macon County, Alabama)
Abandoned bridge over Uphapee Creek on a closed off section of Co Rd 37
Closed to all traffic

Old Co Rd 61 Bridge (Franklin County, Alabama)
Built ca. 1920 and closed to traffic in 1984.
Abandoned Pratt through truss bridge over Cedar Creek on Maldne Rd (formerly Co Rd 61)
Abandoned

Old Co. Rd. 41 Bridge (Geneva County, Alabama)
Abandoned when the current CR 41 bridge was built in 1958.
Abandoned pratt through truss bridge over Hurricane Creek on a former alignment of Co. Rd. 41
Abandoned

Old Confederate Bridge (Thomas County, Georgia)
Built 1929; Abandoned 1959
Abandoned Pratt through truss bridge over Ochlockonee River
Abandoned

Old Corinne Bridge (Box Elder County, Utah)
Abandoned Pratt through truss bridge over Bear River on 2350 N
Derelict/abandoned

Old County Road 127 Through Truss (Olmsted County, Minnesota)

Private Road

Old County Road Bridge (Richardson County, Nebraska)
Pratt through truss bridge over Winnebago Creek on 709 Road
Open to traffic but barely used

Old Covington Bridge (Washington County, Illinois)
(Main design: Pratt through truss)
Lost through truss bridge with wooden deck, replaced by a modern bridge in the 1980s.
Lost pratt through truss bridge over Kaskaskia River on Covington Road
Replaced by new beam bridge at current site

Old CR 146 Pony Truss (Comanche County, Texas)
Pratt pony truss bridge over unnamed creek on road
Open to traffic

Old CR 193 Pony Truss (Comanche County, Texas)
Abandoned pony truss bridge over unnamed creek on road
Derelict/abandoned

Old CR408 Pony Truss (Eastland County, Texas)
Abandoned pratt pony truss bridge over unnamed creek on road
Derelict/abandoned

Old Crooked Creek Road Bridge (Anderson County, Kentucky)
Built 1903
Pratt through truss bridge over East Prong Crooked Creek on an old alignment of Crooked Creek Road (now a private driveway)
Open to private traffic only

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 Deschutes Road Bridge (Shasta County, California)
Pier encased in concrete 1925; Converted to road use 1944 ; Replaced 1970
Lost Pratt through truss bridge over Sacramento River on Deschutes Road
Replaced by a new bridge

Old Dobbs Ford Bridge (Bradley County, Tennessee)
Built 1878, moved to the present site in 1990
Pratt pony truss bridge over Candies Creek on golf cart track
Closed to all traffic

Old Dogtown Road Bridge (Marshall County, Kentucky)
Built 1919
Pratt through truss bridge over East Fork of Clarks River on Old Dogtown Road
Intact but closed to all traffic