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.
Curry Chapel Road Bridge (Morgan County, Alabama)
Built 1920Through truss bridge over Cotaco Creek on Curry Chapel RoadClosed to all traffic
Curtis Bridge (Johnson County, Iowa)
Built 1927; Replaced 1956Lost Pratt through truss bridge over Iowa River on Old US218Replaced by a new bridge
Curtis Road Bridge (Lafayette County, Missouri)
Built ca. 1930Lost pony truss bridge over East Fork Sni-A-Bar Creek on Curtis RoadReplaced by new bridge
Cuttingsville Bridge (Rutland County, Vermont)
Built 1928 by the American Bridge Co.; replaced 1991Lost pony truss bridge over Mill River on VT 103Replaced by new bridge
Cuzco Norton Road Bridge (Dubois County, Indiana)
Built ca. 1913; replaced 2006Lost pony truss bridge over Dillon Creek on Cuzco Norton RoadReplaced by new bridge
Cuzco Road Bridge (Dubois County, Indiana)
Built in 1891 by the Lafayette Bridge Company; abandoned for many years before being replacedLost Pratt through truss bridge over Patoka River on Cuzco RoadReplaced by new bridge
CVYR - Antoine River Bridge (Antoine) (Pike County, Arkansas)
Abandoned pratt through truss bridge over Antoine River on disused section of Arkansas Midland Rail LineIn storage or disassembled
CW - Segundo Bridge (E) (Las Animas County, Colorado)
Through truss bridge over Purgatoire River on Out of Service Trinidad Railway (BNSF)Closed to all traffic
CW - Segundo Bridge (W) (Las Animas County, Colorado)
Through truss bridge over Purgatoire River on Colorado & Wyoming RailwayClosed to all traffic
CWRR - Yakima River Bridge (Yakima County, Washington)
Built 1924 with two secondhand 1891 spans, third span added 1945; Nearly destroyed in the flood of 1964 and placed on new piers.Pratt through truss bridge over Yakima River on Central Washington RailroadOpen to traffic
Cypress Bayou AR 31 Bridge (White County, Arkansas)
Lost through truss bridge over Cypress Bayou on AR 31Replaced by a new bridge in 1955
Cypress Creek Bridge (Daviess County, Missouri)
Built ca. 1910, probably by the Dildine Bridge Co.; bypassed 1995Abandoned pony truss bridge over Cypress Creek on bypassed section of Elmwood Ave.Derelict/abandoned
Cypress Creek Bridge (Warrick County, Indiana)
Built 1904; rehabilitated 1973 and 1976; replaced 1998Lost pony truss bridge over Cypress Creek on CR 550 WestReplaced by new bridge
Cypress Creek CR 64 Bridge (Perry County, Arkansas)
Built 1915; replaced 1993Lost skewed through truss over Cypress Creek on CR 64 near PerryReplaced by new bridge
D&N - Beaver Kill Bridge (Delaware County, New York)
Lost Through truss bridge over Beaver Kill on Delaware & Eastern RRRemoved but not replaced
Daggett Road Bridge (San Joaquin County, California)
Built 1902Abandoned Pratt through truss swing bridge over San Joaquin River (Burns Cutoff) on Dagget Road (Port Stockton Expressway)Abandoned
DAIR - Big Sioux River Bridge (Union County, South Dakota)
Built 1900, Moved Here 1907Pratt through truss bridge over Big Sioux River on Dakota & Iowa RailroadOpen to traffic
DAIR - Canton Bridge (Lincoln County, South Dakota)
Through truss bridge over Big Sioux River on Dakota & Iowa RailroadOpen to railroad traffic
DAIR - Oak Ridge Bridge (Sioux County, Iowa)
Fabricated ca. 1900, moved here 1914, Rehabilitated 2014Pratt pony truss bridge over Big Sioux River on Dakota & Iowa RailroadOpen to traffic
Dairy Lane Bridge (Atoka County, Oklahoma)
Through truss bridge over the Union Pacific Railroad on Dairy Lane (E1844)Open to traffic
Dakota City Bridge (Humboldt County, Iowa)
Built 1913, Replaced 1988Lost Pratt through truss bridge over East Fork Des Moines River on 1st Ave NReplaced by new bridge
Dakota City Bridge (Older) (Humboldt County, Iowa)
(Main design: Bowstring through truss)Built 1871, replaced 1913Lost bowstring through truss bridge over East Fork Des Moines River on local roadReplaced by a new bridge
Dale Bend Bridge (Yell County, Arkansas)
Built 1930 by the Vincennes Bridge Co. of Vincennes, Indiana; Destroyed by overweight truck Jan 30, 2019Through truss bridge over Petit Jean River on Dale Bend Road (CR 49)Destroyed by overweight truck
Dam Road Bridge (Carroll County, New Hampshire)
Pony truss bridge over Ossipee River on Dam RoadOpen to pedestrians only
Damen Avenue Bridge (Old) (Cook County, Illinois)
Built 1929Lost Pratt through truss bridge over Chicago River North Banch on North Damen AvenueReplaced by a new bridge
Dan Hartter Bridge (Woodford County, Illinois)
relocated to Eureka Lake Park in 2001, original location east of IL 117 almost 1 mile south of EurekaPratt Through Truss Bridge over Walnut Creek on bike trail in EurekaOpen to pedestrians
Dan Patch Bridge (Scott County, Minnesota)
Built 1908 to carry dual tracks, but one track later converted to highway use, highway discontinued in the 1980'sPratt through truss bridge over Minnesota River on Canadian Pacific RailwayIntact but closed to all traffic
Dan River Bridge (Stokes County, North Carolina)
Built 1959 (HAER Listing says 1915)Pony truss bridge over Dan River on Sr1417 (Closed)Closed to all traffic
Daniel Creek CR 450E Bridge (Miami County, Indiana)
Built 1925; rehabilitated 1979Pony truss bridge over Daniel Creek on CR 450 EastOpen to traffic
Darden Road Bridge (St. Joseph County, Indiana)
Built in 1885 on Water Street (now Lasalle) in South Bend; Relocated in 1906 to Darden Road; closed to vehicles in 1970Bypassed Pratt through truss bridge over St. Joseph River on Darden RoadOpen To Pedestrians
Darlington Bridge (Muskingum County, Ohio)
Lost through truss bridge over Jonathan Creek on Darlington Drive (CR 46) in South ZanesvilleReplaced by a modern pony truss bridge
Daro Road Bridge (Luzerne County, Pennsylvania)
Built ca. 1895Pony truss bridge over Huntington Creek on TR 490Intact but closed to all traffic
Dart's Mill (Hunterdon County, New Jersey)
Lost Pratt pony truss bridge over Raritan River on Flemington Whitehouse Rd. (old alignment)No longer exists
Dart's Mill Bridge (Hunterdon County, New Jersey)
Build around the same time and in the same style as the Rosemont, Raven Rock Bridge9 panel Pratt through truss bridgeLost
David Branch Bridge (Brown County, Indiana)
Built ca. 1900Half-hip Pratt pony truss bridge over David Branch on Private LaneBridge has been replaced
Davids Creek Bridge (Audubon County, Iowa)
Built ca. 1970Pony truss bridge over Davids Creek on Nighthawk AvenueOpen to traffic
Davis Avenue Bridge (Allegheny County, Pennsylvania)
Built 1898, rehabilitated 1986, closed to traffic in 2001, demolished on May 6, 2009Lost deck truss bridge over Woods Run Avenue on Davis Avenue in PittsburghDemolished
Davis Bridge (Lincoln County, Missouri)
Built or relocated here in 1963; rehabilitated 1995; replaced 2014Lost pony truss bridge over North Fork Cuivre River on Davis Road beyond the end of Route BB at DavisReplaced by a new bridge
Davis Bridge (Cass County, Indiana)
Built 1893; Replaced 1970Lost Pratt through truss bridge over Eel River on Davis RoadReplaced by new bridge
Davis Creek Bridge (Chautauqua County, Kansas)
Built ca. 1930Pony truss bridge over Davis Creek, 2.0 mi. west of NiotazeOpen to traffic
Davis Creek Bridge (Mendocino County, California)
Built 1925Through truss bridge over Davis Creek on CR 301Open to traffic
Davis Ferry Bridge (Tippecanoe County, Indiana)
Built 1912Pratt through truss bridge over Wabash River on Davis Ferry Road in LafayetteOpen to pedestrians only
Davis Ford Bridge (Bartholomew County, Indiana)
Built ca.1900; replaced in 1986Lost Pratt through truss bridge over Clifty Creek on CR 500EReplaced by new bridge
Davis Lane Bridge (Mason County, Kentucky)
Built 1894Pratt through truss bridge over North Fork Licking River on Davis LaneOpen to traffic
Dawson Forest Bridge (Dawson County, Georgia)
Built 1904Abandoned pratt through truss bridge over Etowah RiverAbandoned
Day Road Bridge (Greene County, Pennsylvania)
Built 1901; closed to traffic July 13, 2017Pratt through truss bridge over Enlow Fork Wheeling Creek on PA 3001Repaired and reopened
DC&P - Ludlow Bridge (Miami County, Ohio)
Lost Pratt through truss bridge over Stillwater River on Dayton, Covington, & Piqua Traction Co.Removed
DCI - Highland Park Bridge (Polk County, Iowa)
Lost to "urban renewal" in 1993Lost Through truss bridge over Des Moines River on RailroadRemoved due to "Urban Renewal"
De Camp Bridge (Elkhart County, Indiana)
Replaced 1970Lost Pratt through truss bridge over Elkhart River on County Road 18Replaced by new bridge
De Valls Bluff Bridge (Prairie County, Arkansas)
Built 1924; new approaches added 1931; repaired in 1972 and 1988; replaced 2002Lost vertical-lift through truss bridge over White River on US 70 at De Valls BluffReplaced by a new bridge
De Witt Mill Bridge (Gage County, Nebraska)
(Main design: Pratt through truss)Built 1887 by the King Iron Bridge Co.Abandoned pratt through truss bridge over Big Blue River on an abandoned roadAbandoned
Deans Bridge (Westchester County, New York)
Built 1904; rehabilitated 1942Through truss bridge over Croton River on Deans Bridge RoadClosed to all traffic
Dearborn River High Bridge (Lewis and Clark County, Montana)
Built 1897 by the King Bridge Co.; rehabilitated 2003Deck truss bridge over Dearborn River on CR 300Open to traffic
Debritko Road Bridge (Schoharie County, New York)
Built 1912; rehabilitated 1994Lost through truss bridge over Fox Creek on Debritko RoadReplaced by a new bridge
Decker Bridge (Cerro Gordo County, Iowa)
Built ca. 1890; Scrapped 1942Lost Pratt through truss bridge over Winnebago River on 14th Street NERemoved
Deep Creek Bridge (Riley County, Kansas)
Built ca. 1920Pony truss bridge over Deep Creek on a dead-end road, 1.4 mi. south and 8.4 mi. east of ManhattanOpen to traffic
Deep Creek Bridge (Chesterfield County, South Carolina)
Replaced 1990Lost Pratt pony truss bridge over Deep Creek on S-13-47Replaced by new bridge
Deep Cut Lake Road Bridge #46 (Martin County, Indiana)
Built 1890; rehabilitated 1994Pony truss bridge over Beaver Creek on CR 420E (Deep Cut Lake Road)Open to traffic
Deep Cut Lake Road Bridge #47 (Martin County, Indiana)
Built 1890; rehabilitated 1994Pratt pony truss bridge over Beaver Creek on Deep Cut Lake RoadOpen to traffic
Deep Cut Lake Road Bridge #48 (Martin County, Indiana)
Built ca. 1905; removed and replaced with a culvert.Lost Pratt pony truss bridge over a Branch of Beaver Creek on Deep Cut Lake Rd.Likely replaced by a culvert.
Deep Cut Lake Road Bridge #49 (Martin County, Indiana)
Built 1921; rehabilitated 1995Pratt pony truss bridge over Beaver Creek on Deep Cut Lake RoadOpen to traffic
Deep Cut Lake Road Bridge #50 (Martin County, Indiana)
Built ca. 1890; rehabilitated 1995Pratt through truss bridge over Beaver Creek on Deep Cut Lake RoadOpen to traffic
Deep Fork Canadian River Bridge (Creek County, Oklahoma)
Built 1924Through truss bridge over Deep Fork of Canadian River on 465th W. Ave. (N3650)Open to traffic
Deep Fork Canadian River Bridge (Lincoln County, Oklahoma)
Built ca. 1920Through truss bridge over Deep Fork Canadian River on N3380 in WarwickReplaced by a new bridge
Deep Fork River Bridge (Lincoln County, Oklahoma)
Built 1924Through truss bridge over Deep Fork River on N3370 in WarwickOpen to traffic
Deep Fork River Bridge (Creek County, Oklahoma)
Built 1925Through truss bridge over Deep Fork River on 369th W. Ave. (N3704)Open to traffic
Deep Fork River Bridge (Okmulgee County, Oklahoma)
Built 1908, replaced 2018Through truss bridge over Deep Fork River on McKeown Rd.Replaced by a new bridge
Deep River Bridge (Guilford County, North Carolina)
Built 1928Lost Pratt pony truss bridge over Deep River on NC-1334Replaced by new bridge
Deep River-Liverpool Rd. Bridge (Lake County, Indiana)
Built ca. 1920Lost Pratt through truss bridge over Deep River on Liverpool RoadReplaced by a new bridge
Deepwater Creek Bridge (Henry County, Missouri)
Replaced 2001Lost pony truss bridge over Deepwater Creek on SW 351st RoadReplaced by new bridge
Deer Creek Bridge (Nemaha County, Kansas)
Built ca. 1910Pony truss bridge over Deer Creek, 3.0 mi. north and 1.0 mi. west of OneidaOpen to traffic
Deer Creek Bridge (Carroll County, Indiana)
Built ca.1910; replaced 1993Lost through truss bridge over Deer Creek on CR 325 East at 310N-325EReplaced by new bridge
Deer Creek Bridge (Lincoln County, Oklahoma)
Built 1912Bedstead pony truss bridge over Deer Creek on E0960Intact but closed to all traffic
Deer Creek Bridge (Putnam County, Indiana)
Built 1915; replaced 1999Lost through truss bridge over Deer Creek on CR 250 WReplaced by new bridge
Deer Creek Bridge (Perry County, Indiana)
Built ca. 1920; replaced 1994Lost pony truss bridge over Deer Creek on CR 88Replaced by new bridge
Deer Creek Bridge (Harford County, Maryland)
Built 1934; rehabilitated 2001Through truss bridge over Deer Creek on MD 24Open to traffic
Deer Creek Bridge (Logan County, Oklahoma)
Built ca. 1910Pony truss bridge over Deer Creek on E0855 in GuthrieClosed to all traffic
Deer Creek Bridge (Mitchell County, Iowa)
Lost Half-hip Pratt pony truss bridge over Deer Creek on RoadReplaced by a new bridge
Deer Creek Bridge (Logan County, Oklahoma)
Built 1910Pratt through truss bridge over Deer Creek on W Simmons RoadClosed to all traffic
Deer Creek Bridge (Nemaha County, Kansas)
Built 1891Pony truss bridge over Deer Creek, 1.0 mi. south and 2.0 mi. west of BerwickOpen to traffic
Deer Creek Bridge (Atchison County, Kansas)
Built 1925Pony truss bridge over Deer Creek, 1.0 mi. west and 2.4 mi. north of AtchisonOpen to traffic
Deer Creek Bridge (Atchison County, Kansas)
Built 1925Pony truss bridge over Deer Creek, 2.0 mi. north and 2.3 mi. west of AtchisonOpen to traffic
Deer Creek CR 1100S Bridge (Miami County, Indiana)
Built 1905Lost Pratt pony truss bridge over Deer Creek on County Road 1100 SouthReplaced by a new bridge
Deer Creek CR 1200S Bridge (Miami County, Indiana)
Built 1905Lost Pratt pony truss bridge over Deer Creek on County Road 1200 SouthReplaced by a new bridge
Deer Creek CR 25W Bridge (Miami County, Indiana)
Replaced 1992Lost pony truss bridge over Deer Creek on CR 25 WReplaced by new bridge
Deer Creek CR 400E Bridge (Cass County, Indiana)
Built ca. 1885Lost Pratt pony truss bridge over Deer Creek on County Road 400 EastReplaced by a new bridge
Deer Creek CR 400E Bridge (Miami County, Indiana)
Built ca. 1920; rehabilitated 1983; replaced 2000Lost pony truss bridge over Deer Creek on CR 400 EReplaced by new bridge
Deer Creek Fish & Wildlife Area Bridge (Putnam County, Indiana)
Built in 1908 by the Elkhart Bridge & Iron Co.Pratt through truss bridge over Deer Creek in Deer Creek Fish & Wildlife AreaOpen to traffic
Deer Creek SR75 Bridge (Carroll County, Indiana)
Built ca.1889 by the Indiana Bridge CompanyLost Pratt through truss bridge over Deer Creek on Old section of SR75 South of CamdenReplaced by new bridge
Deer Park Golf Course Bridge (Harris County, Texas)
Built 1891 over Leon River in Coryell County, relocated to CR 322 in same county on or around 1950, and then relocated to current location in 1993Pratt through truss bridge over a lake on a golfcart/pedestrian trail in Deer Park Golf CourseOpen to pedestrians
Deer River Bridge (Lewis County, New York)
Built 1890Pratt pony truss bridge over Deer River on Vorce Road in CopenhagenOpen to pedestrians
Defiance Road Bridge (St. Charles County, Missouri)
Built 1906-1907 by the Joliet Bridge & Iron Co.; replaced 1990Lost through truss over Femme Osage Creek on Defiance Road just off Route FReplaced by a concrete bridge
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