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.
Ponca Creek Bridge (Boyd County, Nebraska)
Built 1953Pony truss bridge over Ponca Creek on a township road off N12, 2 mi. southeast of BristowOpen to traffic
Pond bridge (Morris County, New Jersey)
Lost Pratt through truss bridge over Rockaway River on Main StreetNo longer exists
Pond Creek Bridge (Pottawatomie County, Oklahoma)
Built 1921Through truss bridge over Pond Creek on N3320Open to traffic
Pony Creek Bridge (Brown County, Kansas)
Built ca. 1940Pratt pony truss bridge over a branch of Pony Creek, 2.3 mi. north of MorrillOpen to traffic
Pony Creek Bridge (Brown County, Kansas)
Built 1935Lost pony truss bridge over Pony Creek, 1.8 mi. east and 3.8 mi. north of SabethaReplaced by a new bridge
Pony Creek Bridge (Brown County, Kansas)
Built ca. 1910Lost pony truss bridge over Pony Creek, 0.7 mi. west and 1.7 mi. north of MorillRemoved but not replaced
Pony Creek Bridge (Richardson County, Nebraska)
Built 1925Pony truss bridge over Pony Creek on 340th StreetOpen to traffic
Pony Truss (Wright County, Iowa)
Pratt pony truss bridgeAbandoned
Poor Farm Bridge (Brown County, Minnesota)
Built 1907 by the Security Bridge Co.; closed to traffic 1991; replaced 1994Lost through truss bridge over Big Cottonwood River on Cottonwood Street in New UlmReplaced by new bridge
Pope Creek Bridge-170th st (Mercer County, Illinois)
Built 1901Abandoned Pratt pony truss bridge over Pope Creek on 170th StAbandoned
Porcupine Creek Bridge (Jewell County, Kansas)
Dropped from NBI after 2008Pony truss bridge over Porcupine Creek, 5.0 mi. south and 0.9 mi. west of EsbonDerelict/abandoned
Port Washington Bridge (Tuscarawas County, Ohio)
Lost Through truss bridge over Tuscarawas River Bridge on River Hill Road (CR 14)Collapsed; replaced by new bridge in 1959
Port Wine Steel Bridge (Plumas County, California)
Built 1910Through truss bridge over Slate Creek on Port Wine Road South of La PorteOpen to traffic
Portage Lake Swing Bridge (Old) (Houghton County, Michigan)
Built 1891; Struck by the Northern Wave in 1905; Replaced 1906Lost Pratt through truss bridge over Portage Lake on RoadDestroyed by collision
Porter's Bridge (Cecil County, Maryland)
Built 1885Lost Bridge over Octoraro Creek on Porters Bridge Road (formerly MD 591)Removed but not replaced
Portersville Road Bridge (Lawrence County, Pennsylvania)
Built 1932; rehabilitated 1984Through truss bridge over Slippery Rock Creek on PA 488 (Portersville Road)Replaced by a new bridge
Portland Bridge (Fremont County, Colorado)
Built 1927, replaced 2014Deck truss over the Arkansas River on SH 120 at Portlandreplaced by new bridge
Portland Street Bridge (old) (Caledonia County, Vermont)
Built c. 1908 by American Bridge Co; Partially bypassed 1943; Replaced 1963Lost Pratt through truss bridge over Passumspic River on Portland Street (U.S. Route 2)Demolished
Possum Creek Bridge (Scott County, Virginia)
Built 1932, Replaced 2014Former pony truss bridge over Opossum Creek on Route 714Bridge replaced 2014
Possum Hollow Road Bridge (Franklin County, Indiana)
Built ca.1910Pony truss bridge over Big Cedar Creek on Possum Hollow RoadReplaced by a new bridge
Possum Trot Bridge (Vermilion County, Illinois)
(Main design: Parker through truss)Built 1928, replaced in 1976Lost Through truss bridge over Middle Fork Vermilion River on Route 150Replaced by new bridge
Possum Trot Road Bridge (Moniteau County, Missouri)
Built ca. 1940Pony truss bridge over Factory Creek on Possum Trot RoadOpen to traffic
Post Oak Creek Trib Bridge (Navarro County, Texas)
Built 19082-panel bedstead Pratt pony truss bridge over a branch of Post Oak Creek on N. 15 Street in CorsicanaOpen to traffic
Potato Creek Bridge (McKean County, Pennsylvania)
Built ca. 1905 by the York Bridge Co. ; replaced 2012Lost pony truss bridge over Potato Creek on TR 377Replaced by a new bridge
Potato Creek Bridge (McKean County, Pennsylvania)
Built ca. 1900; rehabilitated ca. 1960Pony truss bridge over Potato Creek on TR 373Open to traffic
POTB - Kilchis River Bridge (Tillamook County, Oregon)
Built 1898.Pratt through truss bridge on Port of Tillamook Bay RailroadOpen to traffic
POTB - Nehalem River Bridge (Tillamook County, Oregon)
Originally built for the Central Pacific over the Truckee River at Verdi, California.Through truss bridge over Nehalem River on Port of Tillamook Bay RailroadOpen
POTB - Wilson River Bridge (Tillamook County, Oregon)
Built in 1884 by the Union Bridge Co. of Buffalo, N.Y., altered in 1901.Pratt through truss bridge over Wilson River on Port of Tillamook Bay RailroadOpen to traffic
Poteau River Bridge (Sebastian County, Arkansas)
This was one of the first crossings from Ft. Smith into Oklahoma after the Civil War.Lost through truss bridge over Poteau River on South E Street in Ft. SmithLost
Poteau River Cut Off Bridge (Le Flore County, Oklahoma)
This bridge may be a repurposed Railroad truss from the 19th century. It has the appearance of one. The piers do not appear to be near as old as the bridge.Through truss bridge over Poteau River Cut Off on E1370, which "may" be private now.Open to traffic
Pott's Ford Bridge (Cloud County, Kansas)
Built 1884 by the Wrought Iron Bridge Co.Through truss bridge over Solomon River on 40th Road, southwest of GlascoOpen to one-lane traffic
Potter Bridge (Washington County, Pennsylvania)
Built 1881Pony truss bridge over Wheeling Creek on TR 360Closed to all traffic with deck missing
Potter Ford Bridge (Cedar County, Missouri)
Built 1905 by the Canton Bridge Co.; replaced 1992Lost through truss bridge over Horse Creek on CR 425Replaced by new bridge
Potter's Mill Bridge (Jackson County, Iowa)
Lost Pratt through truss bridge over Mill Creek on RoadRemoved
Potter-Wade Mill Bridge (Rockbridge County, Virginia)
Built 1916Pratt through truss bridge over Colliers Creek on Route 644Open to traffic
POVA - Box Canyon Bridge (Pend Oreille County, Washington)
Built 1909Pratt deck truss bridge over Box Canyon Resevoir (Pend Oreille River) on Pend Oreille Valley RailroadOpen to traffic
Poverty Run TR 11 Bridge (Wyandot County, Ohio)
Built ca. 1900Lost pony truss bridge over Poverty Run on TR 11Replaced with a concrete span
Powder River Bridge (Sheridan County, Wyoming)
Built 1915; replaced 1989Lost through truss bridge over Powder River on Lower Powder River Road (CR 269)Replaced by a new bridge
Powder River Bridge (Private) (Baker County, Oregon)
Built 1920 in Baker City, Removed 1987, Relocated Ca. 1988Pratt pony truss bridge over Powder River on Private RoadOpen to traffic
Powder Springs Bridge (Grainger County, Tennessee)
Built 1909; Replaced 1989Lost Half-hip Pratt pony truss bridge over Flat Creek on Dale Road (Nfa A051)Replaced by new bridge
Powell Bridge (McDonald County, Missouri)
Built 1914-15 by the East St. Louis Bridge Co.Through truss bridge over Big Sugar Creek on Cowan Ridge Road (CR SE-E-58), just southwest of Route E near PowellOpen to pedestrians only
Powell Bridge (Hancock County, Ohio)
Built by the Toledo Bridge Co.Pratt pony truss bridge over Tiderishi Ditch on TR 48Open to traffic
Powell Road Scioto River Bridge (Delaware County, Ohio)
Lost Bridge over Scotio RiverNo longer exists-area under water Oshaunessey Dam built south of bridge in 1928.
Powell Valley Road Bridge (Martin County, Indiana)
Built ca. 1890's; Replaced 1990Lost Pratt through truss over Lost River on Powell Valley Rd.Replaced by a new bridge
Power Coulee Bridge (Cascade County, Montana)
Built 1909Pratt pony truss bridge over a branch of Belt Creek on Camp Rotary Road (FR 1049)Open to traffic
PPU - Illinois River Bridge (Older) (Peoria County, Illinois)
Built 1881; Replaced 1911Lost Pratt through truss bridge over Illinois River on Peoria & Pekin Union RailwayReplaced by a new bridge
PPU - Pekin Bridge (Peoria County, Illinois)
Built 1896;Lost Through truss bridge over Illinois River on former Peoria and Pekin Union Railroad in PeoriaReplaced by new bridge
Prairie Creek (Vigo County, Indiana)
Built c. 1887; Lost 1989Lost Pratt pony truss bridge over Prairie Creek on Battlerow PlaceReplaced by a new bridge
Prairie Creek Bridge (Iroquois County, Illinois)
Built 1904Pony truss bridge over Prairie Creek on CR2800NOpen to traffic with 4 ton weight limit
Prairie Creek Bridge (Dubuque County, Iowa)
Built 1901Through truss bridge over Prairie Creek on Fischer RoadOpen to traffic
Prairie Creek Bridge (Linn County, Iowa)
Built 1906; rehabilitated 1989Through truss bridge over Prairie Creek on Old Bridge Road in Cedar RapidsOpen to traffic
Prairie Creek Bridge (Sullivan County, Indiana)
Built 1899; removed 2000Through truss bridge over Prairie Creek on CR 875 WRemoved but not replaced
Prairie Creek Bridge (Jackson County, Iowa)
Abandoned pony truss bridge over Prairie Creek on 17th StreetAbandoned
Prairie Creek Bridge (Jackson County, Iowa)
Pony truss bridge over Prairie Creek on an Old RoadClosed to all traffic
Prairie Creek Bridge (Platte County, Nebraska)
Built 1913; Lincoln Highway subsequently moved to other side of RR tracks.Pony truss bridge over Prairie Creek on former Lincoln Hwy, 5 mi. southwest of DuncanOpen to traffic with 8 ton limit
Prairie Creek Bridge CR 250 N (Daviess County, Indiana)
Built ca. 1910; removed 2004Lost through truss bridge over Prairie Creek on CR 250 NorthRemoved but not replaced
Prairie Creek CR 280W Bridge (Fountain County, Indiana)
Built ca. 1910Lost Pratt pony truss bridge over Prairie Creek on County Road 280 WestReplaced by a new bridge
Prairie Creek-CR 450N Bridge (Boone County, Indiana)
Built ca. 1900Lost Pratt pony truss bridge over Prairie Creek on County Road 450 NorthReplaced by a new bridge
Prairie Dog Avenue Bridge (Union County, Iowa)
Built 1900Pratt through truss bridge over Grand River on Prairie Dog AvenueIntact but closed to all traffic
Prairie Dog Creek Bridge (Phillips County, Kansas)
Pratt pony truss bridge over Prairie Dog Creek, 1.0 mi. east of Long IslandClosed
Prairie Dog Creek Bridge (Phillips County, Kansas)
Likely built ca. 1900Pony truss bridge over Prairie Dog Creek, 1.5 mi. south and 1.0 mi. west of Long IslandRelocated to private property
Prairie Dog Creek-G Road Bridge (Harlan County, Nebraska)
Built ca. 1910Pratt through truss bridge over Prairie Dog Creek, 0.5 mi. north and 4.0 mi. west of WoodruffDerelict/abandoned
Prairie du Long Creek Bridge (Monroe County, Illinois)
Built ca. 1910Pony truss on L Road over Prairie du Long Creek northwest of Red BudAbandoned with portions of deck missing
Prairie Fork Bridge (Christian County, Illinois)
Lost Pony truss bridge over Prairie Fork on CR 450NReplaced by 2 culverts
Prallsville Bridge (Hunterdon County, New Jersey)
Lost Pratt through truss bridge over Wickecheoke Creek on Rt-29Abutments remain
Pratt Bridge (Howard County, Maryland)
Built in 1902 for the B&O Railroad, abandoned in 1925, rehabilitated in 2002 for trail use.Pratt through truss bridge over Little Patuxent River on formerly the Patuxent Branch of the Baltimore and Ohio Railroad, currently carries the Patuxent Branch TrailOpen to pedestrians
Precht Bridge (Henry County, Ohio)
Lost Pratt through truss bridge over North Turkeyfoot Creek on trailRemoved but not replaced
Preston Bridge (Allegheny County, Pennsylvania)
Lost Pratt through truss bridge over Norfolk Southern Railroad on FootpathRemoved but not replaced
Prestwood Bridge (Covington County, Alabama)
Collapsed during attempted removal by helicopter in 1985Lost Pratt through truss bridge over Conecuh River on Prestwood Bridge RoadReplaced by new bridge
Prewitt Canal CR 57 Bridge (Washington County, Colorado)
Built 1912; replaced 2002Lost pony truss bridge over Prewitt Canal Lateral on CR 57No longer exists
Price & Colburn Bridge (Cass County, Missouri)
Built 1910 by contractor George BirdPony truss bridge over South Grand River on Rodier Road in FreemanIntact but closed to all traffic
Price Bridge (Wells County, Indiana)
Built ca.1900; replaced in 1987Lost Pratt through truss bridge over Wabash River on CR 100WReplaced by new bridge
Price Bridge (Adams County, Indiana)
Built ca. 1895Lost Pratt through truss bridge over Wabash River on County Road 150WReplaced by a new bridge
Price Creek Bridge (Iowa County, Iowa)
Built ca. 1920; rehabilitated 1959; replaced 2015Lost Pony truss bridge over Price Creek on CR W22 (U Avenue)Replaced by a new bridge
Price River Bridge (Carbon County, Utah)
Replaced 1999Lost Half-hip Pratt pony truss bridge over Price River on 760 No.St.,Co.Rd.Replaced by new bridge
Price Road Bridge (Crawford County, Pennsylvania)
Built ca. 1896 by the Youngstown Bridge Co.Through truss bridge over Woodcock Creek on SR 1043 (Price Road)Demolished
Price Street Bridge (Stark County, Ohio)
Built 1941; rehabilitated 1968, removed from original location 2012Pony truss bridge over Deer Creek on Price Street (CR 3)In storage or disassembled
Prices Bridge (Franklin County, Alabama)
Built ca. 1920Pratt through truss bridge over Bear Creek on Prices Bridge Rd in HackleburgAbandoned on private property; deck is mostly gone
Prichard Drive Bridge (Anderson County, South Carolina)
Built 1945Pony truss bridge over Prichard Branch on C-4-3328Open to traffic
Prickett Trail Bridge (Calhoun County, Alabama)
Built 1932Pony truss bridge over Tallasseehatchee Creek on Private drive near Wellington.Competely Restored
Prim Bridge (Pope County, Arkansas)
Abandoned through truss bridge over West Fork Point Remove Creek on private stretch of Talley Road.Abandoned
Private Drive Bridge (Jackson County, Missouri)
Relocated here ca 2003Half-hip Pratt pony truss bridge over Seminary Creek on Private DriveOpen to authorized vehicles only
Private Pratt off OH-161 (Union County, Ohio)
Pratt pony truss bridge over Little Darby Creek on Private DriveOpen to traffic
Proenty Road Bridge (Allegany County, Maryland)
Relocated from another location in 1926; rehabilitated 1995Lost Pratt pony truss bridge over Jennings Run on Proenty RoadDemolished and replaced with welded truss.
Prophetstown Bridge (Whiteside County, Illinois)
Built 1935; replaced 1994Through truss bridge over Rock River on Ill 78Replaced by a new bridge
Providence Bridge (Vigo County, Indiana)
Arched Pratt Deck Truss Bridge on a pedestrian path at St. Mary of the Woods College.Removed
Providence Road Bridge (Robertson County, Texas)
Through truss bridge over Little Brazos River on Providence RoadOpen to traffic
Province Line Road Bridge (Monmouth County, New Jersey)
Built 1891; rehabilitated 1994Pratt through truss bridge with Phoenix Columns over Crosswicks Creek on Province Line RoadOpen to traffic
Provo River Bridge (Utah County, Utah)
Pratt pony truss bridge over Provo River on W 900 NOpen to pedestrians only
Provo River Parkway - Provo River Bridge (Utah County, Utah)
Built 1884; relocated in 1901 and 1919; abandoned 1969Pratt through truss bridge over Provo River on Provo River ParkwayOpen to pedestrians only
PRR - Allegheny River Bridge (Larabee) (McKean County, Pennsylvania)
Built 1900Pratt through truss bridge over Allegheny River on Norfork Southern Railroad (formerly Pennsylvania Railroad)Open to traffic
PRR - Brandywine Valley Viaduct (Chester County, Pennsylvania)
Built 1903-04Abandoned bridge over Brandywine Creek on Former Pennsylvania Railroad P&T BranchAbandoned in 1989
PRR - Calumet River Swing Bridge (Cook County, Illinois)
Bridge struck 1964 and removedLost Pratt through truss swing bridge over Calumet River on Pennsylvania RailroadDestroyed by collision
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