There are 9,302 bridges in this category · Only showing 7,314 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.
DeGray Creek Bridge (Clark County, Arkansas)
Built ca. 1915 probably by Stupp Brothers Bridge & Iron Co.; relocated here ca. 1975Pony truss bridge over DeGray Creek on CR 50 (Terrell Road)Open to one-lane traffic
Delaware River Bridge (Atchison County, Kansas)
Built ca. 1930 by the Wayland Bridge Co.; replaced 2008Lost through truss bridge over Delaware River on Arrington Road, 1.3 mi. south of ArringtonReplaced by a new bridge
Delaware River Bridge (Brown County, Kansas)
Lost bedstead pony truss bridge over Delaware River, 1.8 mi. south and 1.0 mi. west of FairviewRemoved but not replaced
Delaware River Bridge (Atchison County, Kansas)
Built 1935Pratt pony truss bridge over Delaware River, 3.2 mi. north and 2.2 mi. west of MuscotahOpen to traffic
Delaware River Bridge (Delaware County, New York)
Lost Pratt through truss bridge over Delaware River on Bridge Street in WaltonNo longer exists
Delaware River Bridge (Delaware County, New York)
Inundated by Cannonsville ResevoirLost Through truss bridge over Delaware River on River StreetDestroyed by flooding
Delta Mills Bridge (Eaton County, Michigan)
Built 1892; replaced 1966Lost Pratt through truss bridge over Grand River on Webster RoadReplaced by a new bridge
DeMers Avenue Bridge (Grand Forks County, North Dakota)
(Main design: Other through truss)Lost Swing Bridge over Red River on DeMers AvenueReplaced by a new bridge
Den Brook Bridge (Morris County, New Jersey)
Built 1924; rehabilitated 1992Half-hip Pratt pony truss bridge over Den Brook on Openaki RoadOpen to traffic
Denman Ford Bridge (1899) (Coshocton County, Ohio)
(Main design: Pratt through truss)Built 1899-1900 by the Canton Bridge Company; 3 spans lost in the 1913 flood and bridge later replaced.Lost Pratt through truss bridge over Walhonding River on County Road 233 of 4 spans destroyed by flooding on March 25, 1913.
Denmark Ford Bridge (Vermilion County, Illinois)
Built 1895, replaced in 1925Lost Through truss bridge over North Fork Vermilion River (now Lake Vermilion) on Denmark Road in DanvilleReplaced by new bridge
Denniston Bridge (Miami County, Indiana)
Built 1883 by the Massillon Bridge Co.Two-span through truss bridge over Eel River on CR 440 WestOpen to one-lane traffic
Denton-Aurora Road Bridge (Denton County, Texas)
Built 1889 by the Wrought Iron Bridge Company, at a cost of $1300Abandoned Pratt through truss bridge over Denton CreekDerelict/abandoned
Depot Road-Conneaut Creek Bridge (Crawford County, Pennsylvania)
Built 1889; rehabilitated 1994Pratt pony truss bridge over Conneaut Creek on Depot Road (TR 384) in ConneautvilleOpen to traffic
Depot Street Bridge (Somerset County, Pennsylvania)
Built ca. 1894; rehabilitated ca. 1980 and 1999Through truss bridge over Casselman River on TR 805 (Depot Street) in SalisburyClosed to all traffic
Deshler "L" Bridge (Thayer County, Nebraska)
Built ca. 1890'sLost Pratt pony truss bridge over Snake Creek on Main Street (4th St?)Collapsed
Devilbiss Bridge (Frederick County, Maryland)
Covered bridge washed out June 1889. One span was salvageable so only western span ordered. WIBCo. won. It was then decided to relocate rather than reset the eastern span (now Utica Mills Covered Bridge). Eastern span then bid and won by CBWLost Pratt through truss bridge over Monocacy River on Devilbiss Bridge RoadNo longer exists
Devils Backbone Bridge (Preble County, Ohio)
Lost truss bridge over Paint Creek on abandoned section of Old 725Replaced with a higher bridge on a new alignment.
Devils Promenade Bridge (Ottawa County, Oklahoma)
Lost Pratt through truss bridge over Spring River on E 57 RoadReplaced by a new bridge
Devils' Elbow Bridge (Whatcom County, Washington)
Built 1936; Converted to road use 1954; Removed ?Lost Pratt through truss bridge over Skagit River on RoadRemoved
Devitt Camp Road Bridge (Union County, Pennsylvania)
Built 1902 by the King Bridge Co.; rehabilitated 1953Through truss bridge over White Deer Hole Creek on Devitt Camp Road (PA 1012)Replaced by a new bridge
Dewitt Bridge (Montgomery County, Indiana)
built in 1903Pratt pony truss bridge over Little Sugar Creek on former 875 East (now private lane)
DeWitt Creek CR 400 E (Lawrence County, Indiana)
Built ca. 1905; Replaced 1987Lost Bedstead Pratt pony truss bridge over DeWitt Creek on CR 400 EReplaced by a new bridge
DeWitt Creek Leatherwood Road (Lawrence County, Indiana)
Built ca. 1905; Replaced 1990Lost Bridge over DeWitt Creek on Leatherwood RoadReplaced by a new bridge
DeWitt Street Bridge (Jefferson County, Missouri)
Built 1925Lost two-span pony truss bridge over Joachim Creek on DeWitt Street in DeSotoReplaced by a pedestrian bridge
Dexter Road Bridge No. 2 (Linn County, Missouri)
Built 1906 by John Gilligan Bridge Co.Lost pony truss bridge over a branch of Locust Creek on Dexter RoadReplaced by a new bridge
Dey Road Bridge (Defiance County, Ohio)
Built 1906 by the Massillon Bridge Co.Through truss bridge over Tiffin River on CR 42 (Dey Road) in DefianceOpen to pedestrians only
DH - Hudson River Bridge #1 (Warren County, New York)
Built 1905; Abandoned 1980Abandoned Pin connected Pratt through truss bridge over Hudson River on Abandoned Delaware & Hudson RailroadDerelict/abandoned
DH - Hudson River Bridge #2 (Warren County, New York)
Built 1905, abandoned 1980Abandoned pratt through truss bridge over Hudson River on D&H Warrensburg BranchDerelict/abandoned
DH - Susquehanna River Bridge (Broome County, New York)
Built 1908, Abutments dated 1920Abandoned through truss bridge over Susquehanna River on Delaware & Hudson RRDerelict/abandoned
Dick's Mill Bridge (Cooper County, Missouri)
Built 1898 by the Springtown Bridge Co.Lost through truss over Moniteau Creek on Cotton Drive just beyond the end of Route TReplaced by a new bridge in 1989
Dickerson Road Bridge (Albemarle County, Virginia)
Built 1924Pony truss bridge over North Fork Rivanna River on Dickerson RoadOpen to traffic
Dickey's Ford Bridge (Orange County, Indiana)
Built 1894Through truss bridge over Lost River on CR 375 NorthOpen to traffic
Dicks Branch CR 214 Bridge (Saline County, Missouri)
Built 1900 by Stupp Brothers; replaced 2009Lost pony truss bridge over Dicks Branch on CR 214No longer exists
Dicks Mill Road Bridge (Guilford County, North Carolina)
Built 1910Full-slope Pratt pony truss bridge over North Buffalo Creek on NC 2784Replaced. Bridge in storage and successfully marketed to an unknown party.
Dicks Road Bridge (Putnam County, Indiana)
Built 1921Through truss bridge over Clear Creek on CR 500 EastClosed
Dillard Creek Bridge (Howard County, Arkansas)
Built 1928; rehabilitated 1980; replaced 1999Lost through truss bridge over Dillard Creek on CR 279 (Dillard Creek Road)Replaced by a modern bridge
Dillon Drive Bridge (Caldwell County, Missouri)
Built ca. 1930Pony truss bridge over Mill Creek on Dillon DriveOpen to traffic
Dillon Road Bridge (Tazewell County, Illinois)
Through truss bridge over Mackinaw River on Dillon Rd NE of Green ValleyDerelict/abandoned
Dinkey Creek Bridge (Fresno County, California)
Pratt pony truss bridge over Dinkey Creek on Sycamore Springs RoadOpen
Dinner Creek Bridge (Coffey County, Kansas)
Built 1913Pony truss bridge over Dinner Creek on Emmer Lane, 1.5 mi. south of GridleyClosed to all traffic
Dirty Creek Bridge (Muskogee County, Oklahoma)
Built 1910Through truss bridge over Dirty Creek on Ross Road. Recently Closed, due to floor beam damage.Replaced by a new bridge
Ditch Road Bridge (Chenango County, New York)
Built 1900Through truss bridge over Unadilla River on Ditch Road in HolmesvilleClosed to all traffic
Diversion Ditch Bridge (Minnehaha County, South Dakota)
Built 1938 by the Western Bridge Company of Omaha, NebraskaPony truss bridge over Diversion Ditch on 257th Street, 0.3 mi. west and 1 mi. north of RennerReplaced with a culvert
Divison Street Bridge (1892) (Spokane County, Washington)
Built 1892; Collapsed 1915Lost Pratt through truss bridge over Spokane River on Divison Street & Washington Water Power Co. StreetcarsCollapsed
Dixie Bee Highway Bridge (Fountain County, Indiana)
Built 1915; replaced 1993Lost pony truss bridge over Graham Creek on Dixie Bee HighwayReplaced by new bridge
DJ&C/NYC Overpass (Jackson County, Michigan)
Built 1896; Removed ca 1929 when service was abandoned.Lost Pratt through truss bridge over Michigan Central Railroad on Detroit, Jackson & Chicago Railway (Detroit United Railway)Removed
DLW - Lower Hack Swing Bridge (1902) (Hudson County, New Jersey)
Built in 1902; replaced 1928Pratt through truss bridge over Hackensack Rvier on Delaware Lackawanna & Western RailroadReplaced by a new bridge
DM&E - Bloody Run Creek #6 (Clayton County, Iowa)
Built 1917Pratt through truss bridge over Bloody Run Creek on Dakota, Minnesota & Easterm RailwayOpen to traffic
DM&E - Cedar River Bridge (Floyd County, Iowa)
Pratt pony truss bridge over Cedar River on Dakota, Minnesota & Eastern RailwayOpen to traffic
DM&E - Paint Creek Bridge (Allamakee County, Iowa)
Built 1901Pratt Through Truss bridge over Paint Creek on Dakota, Minnesota & Easterm RailwayOpen to traffic
DM&E - Red Bridge (Dubuque County, Iowa)
Built 1896 Lost 2012Pratt through truss bridge over Catfish Creek on RailroadReplaced by a TPG in 2012
DM&E - Tete des Morts Creek Bridge (Dubuque County, Iowa)
Built 1901Pratt Pony truss bridge over Tete des Morts Creek on Dakota, Minnesota & Eastern RailroadOpen to traffic
DM&E - Waterworks Trestle (Scott County, Iowa)
Trestle originally built in 1871, Deck girders built in the 1900s; Pony truss added 1917; Newer pony truss span built 1984 during a road widening projectThrough pony truss bridge over River Drive on Dakota, Minnesota & Eastern RailwayOpen to traffic
DM&E - Yellow River Bridge (Allamakee County, Iowa)
Built 1901Pony truss bridge over Yellow River on Dakota, Minnesota & Eastern RailwayOpen to traffic
DME - Coon Creek Bridge (Livingston County, Missouri)
Built 1903Pratt pony truss bridge over Coon Creek on Dakota, Minnesota & Easterm RailwayOpen to traffic
DME - Deer Creek Bridge (Mitchell County, Iowa)
Built 1899Pony truss bridge over Deer Creek on RailroadOpen to traffic
DME - Little Sioux River Bridge (Clay County, Iowa)
Built 1901;Pony truss bridge over Little Sioux River on Dakota, Minnesota & Eastern RailroadOpen to traffic
DME - Root River Bridge (Houston County, Minnesota)
Built 1901Pony truss bridge over Root River on Dakota, Minnesota & Eastern RailroadOpen to traffic
DME - Skunk River Bridge (Washington County, Iowa)
Built 1910, Approach Rebuilt 2014Pratt Through truss bridge over Skunk River on DM&E RailroadOpen to traffic
Doans Creek (Greene County, Indiana)
Built c. 1900; Replaced 1989Lost Bedstead Pratt pony truss bridge over Doans Creek on CR475SReplaced by a new bridge
Dobson Road Bridge (Jefferson County, Pennsylvania)
Built 1901Lost Pratt pony truss bridge over Big Run on Dobson RoadReplaced by a new bridge
Dodson Bridge (White County, Tennessee)
Built 1924; rehabilitated 1930Riveted Pratt through truss bridge over Caney Fork River on Big Bottom Rd (CR 2190)Demolished 7 a.m., Aug. 17, 2011
DOE Bridge - Laramie River (Albany County, Wyoming)
Built 1926 on Old US 30; relocated ca. 1932; replaced 1993Lost Pratt pony truss bridge over Laramie River on CR 740Replaced by new bridge
Doe Creek Bridge (Hardin County, Tennessee)
Built 1944; rehabilitated 1995Through truss bridge over Doe Creek on TN 69 in SaltilloOpen to traffic
Dog Creek Bridge (Daviess County, Missouri)
Built ca. 1910, probably by the Dildine Bridge Co.Pony truss bridge over Dog Creek on 175th StreetOpen to traffic
Dog Farm Road Bridge (Jennings County, Indiana)
Lost Through truss bridge over Vernon Branch Muscatatuck River on Dog Farm RoadReplaced by a new bridge
Dog Thrasher Creek Bridge (Osage County, Oklahoma)
Built ca. 1920Pony truss bridge over Dog Thrasher Creek on E0330Replaced by a new bridge
Dolores River Bridge (Montezuma County, Colorado)
Pratt pony truss bridge over Dolores River on a private roadOpen to traffic on a private driveway
Dolores River Bridge (Montezuma County, Colorado)
Pratt pony truss bridge over Dolores River on a private roadOpen to authorized vehicles only
Dominguez Canyon Trail Bridge (Mesa County, Colorado)
Built 2005Through arch/truss bridge over Gunnison River on Dominguez Canyon TrailOpen to pedestrians only
Donaldson Bridge (Washington County, Pennsylvania)
Built 1901 by Nelson & Buchanan, replaced 2007Pony truss bridge over Raccoon Creek on TR 500Demolished and replaced.
Donnaha Bridge (Forsyth County, North Carolina)
See below in the "Description" section for a detailed history of the bridgePratt through truss bridge over Mill Creek on a private drivewayOpen to traffic
Doon Bridge (Lyon County, Iowa)
Built 1900; replaced ca. 2005Lost through truss bridge over Rock River Overflow on 250th Street north of DoonRemoved; road raised to the level of the bridge; Overflow drained
Dorrington Road Bridge (Allegheny County, Pennsylvania)
Built 1888 by the Pittsburgh Bridge Co.; demolished 2009Lost pony truss bridge over Robinson Run on Dorrington RoadDemolished to make way for replacement bridge
Dos Rios Bridge (Mendocino County, California)
Replaced 1966Lost Pratt through truss bridge over Eel River & Nwp RR on Dos Rios RoadReplaced by new bridge
Dotson Ridge Road Bridge (Smyth County, Virginia)
Built 1932Pratt pony truss bridge over N Fork Holston River on Dotson Ridge Road (Route 619)Replaced by a new bridge
Doty Road Bridge (Bergen County, New Jersey)
Pony truss bridge over Ramapo River on Doty Road in OaklandReplaced by a new bridge; Truss bridge in storage.
Double Bridge (Cattaraugus County, New York)
Lost Pratt through truss bridge over Allegheney River on Union StreetReplaced by a new bridge
Double Bridges Creek Bridge (Geneva County, Alabama)
Abandoned pratt pony truss bridge over Double Bridges Creek on Spears Hill RoadDerelict/abandoned
Dougherty Bridge (Murray County, Oklahoma)
Riveted 8-panel Pratt through truss bridge over Rock Creek on Former alignment of what is now Big Canyon RoadIntact but closed to all traffic
Dougherty Creek Bridge (Lafayette County, Wisconsin)
Abandoned half-hip Pratt pony truss bridge over Dougherty Creek on Old alignment of Wisconsin Highway 81Abandoned
Douglas Creek Bridge (Mercer County, Illinois)
Pony truss bridge over Douglas Creek on Abandoned 55th ave alignmentDerelict/abandoned
Douthit's Ferry Bridge (Bartow County, Georgia)
Built 1912Pratt through truss bridge over Etowah RiverClosed to all traffic since 1985
Dowden Avenue Bridge (Delaware County, Indiana)
Built ca. 1895 by the Indiana Bridge Company of Muncie; replaced in 1974Lost Pratt through truss bridge over Mississinewa River on Dowden AvenueReplaced by a new bridge
Doyle Creek Bridge (Marion County, Kansas)
Pony truss bridge over Doyle Creek on Private roadOpen to traffic on private property
Doyle Drive Bridge (San Francisco County, California)
Built 1936; rehabilitated 1939, replaced 2012-2013Deck truss bridge over N1-N101, Lincoln, Crissy on US HIGHWAY 101Demolished 2012-2013.
DQE - Cossatot River Bridge (Sevier County, Arkansas)
Built 1902Through truss bridge over Cossatot River on DeQueen & Eastern RailroadOpen to traffic
DQE- Saline River Bridge (Sevier County, Arkansas)
Built 1902Bridge over Saline River on DeQueen & Eastern RailroadOpen to traffic
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