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.
Bryan Bridge (Cherry County, Nebraska)
Built 1931-32 by the Yant Construction Co.; rehabilitated 1997Deck truss bridge over Niobrara River on Old US 20Open to traffic
Bryan Bridge (Otoe County, Nebraska)
Lost to flooding in 1951Lost Pratt through truss bridge over Little Nemaha River on NE 67Replaced by a new bridge in 1953
Bucher Ditch Base Road Bridge (Greene County, Indiana)
Built ca. 1920; rehabilitated 1984; Replaced 2019Pony truss bridge over Bucher Ditch on Base RoadReplaced by a new bridge
Buck Creek Bedstead (Henry County, Indiana)
Original date and location unknown, later moved to farm field.Abandoned bedstead Pratt pony truss bridge over Buck CreekAbandoned
Buck Creek Bridge (Greene County, Indiana)
Built 1905Pony truss bridge over Buck Creek on CR 100 SouthIntact but closed to all traffic
Buck Creek Bridge (Atoka County, Oklahoma)
Built 1926Bedstead pony truss bridge over Buck Creek on E1710Replaced by a new bridge
Buck Creek Bridge (Washington County, Oklahoma)
Built 1915Bedstead pony truss bridge over Buck Creek on N4030 Rd. This is a long bridge. 5 panels, rare for a Bedstead in Oklahoma.Bypassed with a new bridge on a straightened alignment.
Buck Creek-CR 500W Bridge (Hancock County, Indiana)
Built ca.1903; replaced 1992Lost pony truss bridge over Buck Creek on CR 500 WReplaced by new bridge
Buck Horn Bridge (Lewis County, Missouri)
Built 1894 by the St. Louis Bridge & Iron Co.; Demolished 2016Through truss bridge over Middle Fabius River on Hawthorn Street (CR 508)Replaced by a new UCEB bridge, Fall 2016, new bridge opened Nov 2016
Buck Run Rd (Union County, Ohio)
Built 1923Lost Pratt through truss bridge over Big Darby Creek on Buck Run RdReplaced by a new bridge
Buckatunna Millry Road Bridge (Wayne County, Mississippi)
Bypassed by new bridge in 1957 and abandoned; collapsed January 2019Abandoned pratt through truss bridge over Buckatunna Creek on old alignment of Buckatunna Millry Rd BridgeCollapsed.
Buckeye Creek Bridge (Chase County, Kansas)
Built ca. 1910Pony truss bridge over Buckeye Creek on a local roadIntact but closed to all traffic
Buckeye Station Bridge (Pocahontas County, West Virginia)
Built 1909, Replaced 2014Demolished through truss bridge over Greenbrier River on CR 219/15Replaced by a new bridge
Buckhart Creek CR 375S Bridge (Johnson County, Indiana)
Built ca. 1905Lost Pratt pony truss bridge over Buckhart Creek on County Road 375 SouthReplaced by a new bridge
Buckhart Creek CR1100E Bridge (Christian County, Illinois)
Abandoned pony truss bridge over Buckhart Creek on abandined CR 1100EDerelict/abandoned with deck missing
Bucklick School Road Bridge (Franklin County, Missouri)
Built 1910 by Stupp Brothers Bridge & Iron Co.; rehabilitated 1996Lost pony truss bridge over Bucklick Creek on Bucklick School RoadReplaced by a new bridge
Bucks Branch Bridge (Greene County, Illinois)
Built ca. 1890, possibly moved to this location at a later date.Abandoned pratt through truss bridge over Bucks Branch Derelict/abandoned
Buddy Ferrell Bridge (Colbert County, Alabama)
Built 1940Through truss bridge over Bear Creek on Buddy Durham RdOpen to traffic - Weight limit: 3 tons
Buena Vista Bridge (Clinton County, Iowa)
Built 1894; Abandoned 1967; Collapsed during removal 1968Lost Pratt through truss bridge over Wapsipinicon River on RoadCollapsed during removal
Buena Vista Ford Bridge (Smith County, Tennessee)
Built 1907, new bridge built 1985, pony truss relocated to Loudon County, Loudon City Legion Park 1986.Pratt pony truss bridge over Round Lick Creek on McClanahan RoadNow open to bicycle-foot traffic in Loudon, Tennessee
Buffalo Creek Bridge (Jewell County, Kansas)
Built ca. 1920Pony truss bridge over Buffalo Creek, 1.0 mi. south and 3.4 mi. east of RandallIntact but closed to all traffic
Buffalo Creek Bridge (Jewell County, Kansas)
Built ca. 1910; replaced 2011Lost Pratt through truss bridge over Buffalo Creek, 0.6 mi. south and 2.0 mi. east of RandallReplaced by a new bridge
Buffalo Creek Bridge (Jones County, Iowa)
Through Truss Bridge over Buffalo Creek on State PropertyOpen to authorized state personnel
Buffalo Creek Bridge (Cherokee County, South Carolina)
Abandoned pratt through truss bridge over Buffalo Creek on Batchler's TrailDerelict/abandoned
Buffalo Creek Bridge (Jewell County, Kansas)
Bedstead pony truss bridge over Buffalo Creek, 0.5 mi. south and 1.0 mi. east of RandallOpen to traffic
Buffalo Creek Bridge (Jewell County, Kansas)
Built ca. 1910Pony truss bridge over Buffalo Creek, 0.9 mi. south and 3.0 mi. east of RandallOpen to traffic
Buffalo Creek Bridge (Jewell County, Kansas)
Built 1912Pony truss bridge over Buffalo Creek, 0.6 mi. south and 5.0 mi. east of RandallClosed to all traffic
Buffalo Creek-Buffalo Bottoms Rd. Bridge (Washington County, Indiana)
Built 1898 by the Chicago Bridge Co.; replaced 1997Lost through truss bridge over Buffalo Creek on Buffalo Bottoms RoadReplaced by new bridge
Buffalo Creek-Reynolds Rd. Bridge (Washington County, Indiana)
Built ca. 1890; replaced 1992Lost pony truss bridge over Buffalo Creek on Reynold RoadReplaced by new bridge
Buffalo River Bridge (Clay County, Minnesota)
Built 1915; Replaced in 20115-panel pin-connected Pratt through truss bridge over Buffalo River on CR 91Replaced by a new bridge
Buffalo Road Bridge (Ray County, Missouri)
Built 1908 by the Kansas City Bridge Co.Pratt through truss bridge over Crooked River on Buffalo RoadClosed
Buffalo Springs Turnpike Bridge (Amherst County, Virginia)
Built 1937 by the Virginia Bridge Co.Pony truss bridge over Pedlar River on Buffalo Springs Turnpike (Route 635)Open to traffic
Bull Creek Bridge (Beaver County, Oklahoma)
Built 1947; rehabilitated 1958; replaced 2010Lost Pratt pony truss bridge over Bull Creek on N1190Replaced by a new bridge
Bull Creek Bridge (Miami County, Kansas)
Abandoned through truss bridge over Bull Creek on Harmony Road (Abandoned)Derelict/abandoned
Bulls Ford Bridge (Wilson County, Kansas)
Built 1916Lost through truss bridge over Verdigris River on 19-0.4 Local, 2.0 mi. west and 4.0 mi. south of AltoonaRemoved but not replaced
Bullskin Creek Bridge (Clermont County, Ohio)
(Main design: Pratt through truss)Heavily damaged by flooding in 1968 and replaced.Lost Pratt through truss bridge over Bullskin Creek on Felicity-Cedron RoadReplaced by new bridge
Bunker Hill Bridge (Vermilion County, Illinois)
Built ca. 1895, dismantled on August 14, 1989Lost Through truss bridge over Middle Fork Vermilion River on a pedestrian trailNo longer exists
Bunker Mill Bridge (Washington County, Iowa)
Built 1887; M-frame portal bracing was added to the Town Lattice portal bracing in 1909.; Closed to traffic in 2003; Damaged by arson in 2013; Restored 2013-2017Pratt through truss bridge over English River on Nutmeg AvenueOpen to pedestrians only
Bureau Creek Branch Bridge (Bureau County, Illinois)
Built 1909Pony truss bridge over Masters Fork on 2900N Ave, 1 mi. northeast of Van OrinReplaced by a new bridge
Burg Avenue Bridge (Boone County, Indiana)
Built in 1897 by the Lafayette Bridge Company; removed after being abandoned for many years.Lost Pratt through truss bridge over Sugar Creek on Burg Avenue in MechanicsburgRemoved
Burkhart Bridge (Somerset County, Pennsylvania)
Built 1904 by Nelson & BuchananPony truss bridge over Shaffers Run on PA 2021Gone as of October 31, 2010
Burkittsville Road Bridge (Frederick County, Maryland)
Built 1934Through truss bridge over Catoctin Creek on MD 17 (Burkittsville Road)Open to traffic
Burks Fork Creek Bridge (Floyd County, Virginia)
Built 1932Pratt Pony truss bridge over Burks Fork Creek on Mt. Hedron Road (Route 626)Open to traffic
Burlingham Road Bridge (Linn County, Iowa)
Built 1900Through truss bridge over Buffalo Creek on Burlingham RoadOpen to traffic
Burnett School Road Bridge (Boone County, Missouri)
Built 1909 by Stupp Brothers Bridge & Iron Co., rehabilitated 1993Through truss bridge over Cedar Creek on Burnett School RoadIntact but closed to all traffic
Burnetts Creek CR 400W Bridge (Carroll County, Indiana)
Built in 1890 by the Wisconsin Bridge & Iron CompanyLost Pratt pony truss bridge over Burnetts Creek on County Road 400 WestReplaced by a new bridge
Burnsville Bridge (Braxton County, West Virginia)
Built 1893 by the Variety Iron Works of Cleveland, OhioPratt through truss bridge over Little Kanawha River, on Old Bridge StreetClosed to all traffic
Burnt Mill Bridge (Scott County, Tennessee)
(Main design: Pratt through truss)Built 1920-1921Abandoned Pratt through truss bridge and a half-hip Pratt pony truss (both pin-connected) with wooden decks over Clear Fork River on Scott County Road 276 (Honey Creek Loop Road)Closed to traffic
Burnt Mill Road Bridge (Franklin County, Pennsylvania)
Built 1885Through truss bridge over Conodoguinet Creek on Burnt Mill RoadOpen to traffic
Burr Oak Bridge (Clay County, Iowa)
Built 1905 by the Clinton Bridge & Iron Works; relocated here in 1926; rehabilitated in 1943 and 1984; destroyed by tornado in June 2004; replaced in 2005Lost through truss bridge over Little Sioux River on 495th Street east of US 71Destroyed by tornado in 2004; Replaced by an UCEB in 2005
Burrville Road Bridge (Mercer County, Ohio)
Built 1912 by the Brookville Bridge Co., replaced 1997Pony truss bridge over Wabash River on Burrville Road (TR 33)Replaced by a new bridge
Burt Road Bridge (Hillsdale County, Michigan)
Built 1897; Replaced 1992Lost Pratt pony truss bridge over West Branch St.Joseph of Maumee on Burt Road in HillsdaleReplaced by new bridge
Burton Road Bridge (Washington County, Idaho)
Built 1910; replaced 1991Lost through truss bridge over Little Weiser River on Burton Road (FAS 3879), southeast of CambridgeReplaced by new bridge
Bush Branch Bridge (Adair County, Iowa)
Built 1915Pony truss bridge over Bush Branch on Adair-Madison AvenueOpen to traffic
Bush Creek CR 600N Bridge (Randolph County, Indiana)
Built in 1899 by the Brackett Bridge Company; replaced in 1987.Lost Bedstead Pratt pony truss bridge over Bush Creek on County Road 600 NorthReplaced by a new bridge
Buskirk Ford Bridge (Adams County, Illinois)
Built 1885 by the Morse Bridge CompanyPratt through truss bridge over McKee Creek on TR 416, 4.7 mi. west of KellervilleIntact but closed to all traffic
Busseron Creek Bridge (Sullivan County, Indiana)
Built 1896; replaced 1992Lost through truss bridge over Busseron Creek on CR 250 WestReplaced by new bridge
Busseron Creek Bridge (Sullivan County, Indiana)
Built ca.1910Lost through truss bridge over Busseron Creek on CR 400WReplaced
Busseron Creek Bridge (Sullivan County, Indiana)
Built in 1896 by the Bellefontaine Bridge & Iron Company; replaced in 1989.Lost Pratt through truss bridge over Busseron Creek on CR 500SReplaced by new bridge
Busseron Creek Bridge (Sullivan County, Indiana)
Built ca. 1900; removed 1986Pony truss bridge over Busseron Creek on CR 200 NRemoved but not replaced
Busseron Creek Bridge (Sullivan County, Indiana)
Built 1893; replaced 1991Lost pony truss bridge over Busseron Creek on CR 475 NReplaced by new bridge
Butler Bridge (Miami County, Indiana)
Built 1903 by the Pan American Bridge Company.Through truss bridge over Eel River on CR 950 NorthClosed
Butler Bridge (Berkshire County, Massachusetts)
Built 1881-82Pratt truss bridge over Housatonic River on Butler Road in StockbridgeOpen to pedestrians
Butler Bridge (1907) (Johnson County, Iowa)
Built 1907; Struck 1930 and replacedLost Pratt through truss bridge over Iowa River on US 218Replaced by new bridge
Butler City Viaduct (Butler County, Pennsylvania)
Built 1918; rehabilitated 1972; replaced 2005Lost deck truss bridge over B&LE Railroad on PA 8 in ButlerReplaced by a new bridge
Butler's Landing Bridge (1885) (Johnson County, Iowa)
Built 1885; Replaced 1907Lost Pratt through truss bridge over Iowa River on RoadReplaced by a new bridge
Butte Creek Bridge (Butte County, California)
Built 1940; Replaced 2002Lost Pratt through truss bridge over Butte Creek on Centerville RoadReplaced by new bridge
Butte Mountain Road Bridge (Tehama County, California)
Built 1927Pratt Pony truss bridge over Elmore Creek on Butte Mountain RoadOpen to traffic
Butterfield Bridge (Barry County, Missouri)
Built 1936Through truss bridge on Farm Road 1090 (Old MO 37) over the Arkansas & Missouri railroad tracks south of ButterfieldOpen to traffic
Buttermilk Creek Bridge (Brown County, Kansas)
Lost pony truss bridge over Buttermilk Creek, 3.3 mi. east and 3.0 mi. north of WillisReplaced by a new bridge
Butternut Creek CR 350S Bridge (Jay County, Indiana)
Built ca. 1900Lost Bedstead Pratt pony truss bridge over Butternut Creek on County Road 350 SouthReplaced by a new bridge
Butzow Bridge (Iroquois County, Illinois)
Buit 1883, replaced 1995-1996Lost Through truss bridge over Spring Creek on CH 35Replaced by new bridge
Buzzard Creek Bridge (Le Flore County, Oklahoma)
Built ca. 1940Pony truss bridge over Buzzard Creek on D4538Open to local traffic
Buzzard Roost Creek Bridge (Colbert County, Alabama)
Built 1940Pratt pony truss bridge over Buzzard Roost Creek on Rickard Cutoff RdOpen to traffic - Weight Limit: 6 tons
Buzzi Unicem - LaSalle Rail Bridge (LaSalle County, Illinois)
(Main design: Parker through truss)Built 1896, two deck truss spans removed and replaced with a Parker truss in 1932Through truss bridge over Illinois River/I&M Canal/Railroad (IAIS) on Buzzi Unicem's private rail line in La SalleOpen
BYCX - East Fork Lewis River Bridge (Clark County, Washington)
Built Ca. 1895, Relocated Here 1928Pin-connected Pratt deck truss bridge over East Fork Lewis River on Chelatchie Prairie RailroadOpen to traffic
Byram Road Bridge (Bucks County, Pennsylvania)
Built 1877; rehabilitated 1995Pin-connected Pratt Pony truss bridge over Pennsylvania Canal on Byram Road, PointPleasant (Plumstead Twp) PA.Open to traffic
Byrd Bridge (Middlesex County, New Jersey)
Built 1890 (according to posted aarticle); Collapsed 1955; Replaced 1956Lost Pratt pony truss bridge over Bound Brook on South AvenueCollapsed due to an overweight truck
Byrd Creek MO 72 Bridge (Cape Girardeau County, Missouri)
Built 1923; replaced Fall 2009Lost through truss bridge over Byrd Creek on MO 72 northwest of the junction with MO 34No longer exists
Byrnesville Bridge (Jefferson County, Missouri)
Built ca. 1892, probably by the St. Louis Bridge & Iron Co.Bypassed Pratt through truss bridge over Big River at ByrnesvilleOpen to pedestrians on private property
C&A - Kankakee River Bridge (Old) (Will County, Illinois)
Replaced 1913Lost Pratt through truss bridge over Kankakee River on Chicago & Alton RailroadReplaced by a new bridge
C&C - LIttle Miami River Bridge (Clermont County, Ohio)
Built 1906; One span lost in flooding during 1907 and replaced with a truss from the Cincinnati, Hamilton & Dayton Railroad; Removed ca. 1920Lost Pratt through truss bridge over Little Miami River on Cincinnati & Columbus Traction Co.Removed
C&EI - West Okaw River Viaduct (Moultrie County, Illinois)
Built 1892Lost Pratt deck truss bridge over West Okaw River on Chicago & Eastern IllinoisReplaced by a new bridge
C&NW - Wedges Creek Bridge (Clark County, Wisconsin)
Abandoned double Pratt pony truss bridge over Wedges Creek on Abandoned Chicago & Northwestern RailwayDerelict/abandoned
C&O - Baldwin Bridge (Botetourt County, Virginia)
Abandoned pratt through truss bridge over James River on former Craig Valley Branch of the Chesapeake & Ohio RailroadAbandoned
C&O - Cheviot Hill Viaduct (Hamilton County, Ohio)
Lost Pratt through truss bridge over Mill Creek & State Avenue on Chesapeake & Ohio Railway of IndianaRemoved but not replaced
C&O - Sohl Avenue Swing Bridge (Lake County, Indiana)
Built 1902; abandoned by 1968Abandoned through truss bridge over Grand Calumet River on abandoned C&O RailwayAbandoned
C&O Bridge (Kanawha County, West Virginia)
(Main design: Pennsylvania through truss)Built 1907; Single-lane road added 1920Parker through truss bridge over Kanawha River on CSX Railroad (Formerly Chesapeake & Ohio Railroad)Intact but closed to all traffic
C&O Canal Towpath Bridge (Washington, District of Columbia)
Pratt pony truss bridge over Chesapeake and Ohio Canal on a pedestrian trailOpen to pedestrians only
C&O Canal Towpath Bridge (Washington, District of Columbia)
Pratt pony truss bridge over Chesapeake and Ohio Canal on a pedestrian trailOpen to pedestrians only
C&S - Deansbury Bridge (Old) (Jefferson County, Colorado)
Lost Pratt through truss bridge over South Platte River on Denver, South Park & Pacific RailroadReplaced by a new bridge
C&S - Forks Creek Bridge (Jefferson County, Colorado)
Pratt through truss bridge over Clear Creek on Colorado & Southern RailroadRemoved
C&S - Mill Gulch Bridge (Jefferson County, Colorado)
Built 1870; Converted to highway use ca. 1935; Relocated 1985Pratt through truss bridge over South Platte River on Denver, South Park & Pacific Railroad, rail bed and bridge converted to road use in 1935. Bridge relocated from this location and preserved in Bailey, CO in 1985Relocated and preserved
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