There are 9,170 bridges in this category · Only showing 7,160 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.


Pony Creek Bridge (Brown County, Kansas)
Built 1935
Lost pony truss bridge over Pony Creek, 1.8 mi. east and 3.8 mi. north of Sabetha
Replaced by a new bridge

Pony Creek Bridge (Brown County, Kansas)
Built ca. 1910
Lost pony truss bridge over Pony Creek, 0.7 mi. west and 1.7 mi. north of Morill
Removed but not replaced

Pony Creek Bridge (Richardson County, Nebraska)
Built 1925
Pony truss bridge over Pony Creek on 340th Street
Open to traffic

Pony Truss (Wright County, Iowa)
Pratt pony truss bridge
Abandoned

Poor Farm Bridge (Brown County, Minnesota)
Built 1907 by the Security Bridge Co.; closed to traffic 1991; replaced 1994
Lost through truss bridge over Big Cottonwood River on Cottonwood Street in New Ulm
Replaced by new bridge

Pope Creek Bridge-170th st (Mercer County, Illinois)
Built 1901
Abandoned Pratt pony truss bridge over Pope Creek on 170th St
Abandoned

Pope Creek Bridge-230th st (Mercer County, Illinois)
Pony truss bridge over Pope Creek on 230th St
Closed to all traffic

Porcupine Creek Bridge (Jewell County, Kansas)
Dropped from NBI after 2008
Pony truss bridge over Porcupine Creek, 5.0 mi. south and 0.9 mi. west of Esbon
Derelict/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 1910
Through truss bridge over Slate Creek on Port Wine Road South of La Porte
Open to traffic

Portage Lake Swing Bridge (Old) (Houghton County, Michigan)
Built 1891; Struck by the Northern Wave in 1905; Replaced 1906
Lost Pratt through truss bridge over Portage Lake on Road
Destroyed by collision

Porter's Bridge (Cecil County, Maryland)
Built 1885
Lost Bridge over Octoraro Creek on Porters Bridge Road (formerly MD 591)
Removed but not replaced

Portersville Road Bridge (Lawrence County, Pennsylvania)
Built 1932; rehabilitated 1984
Through truss bridge over Slippery Rock Creek on PA 488 (Portersville Road)
Replaced by a new bridge

Portland Bridge (Fremont County, Colorado)
Built 1927, replaced 2014
Deck truss over the Arkansas River on SH 120 at Portland
replaced by new bridge

Portland Riverwalk - Grand River Bridge (Ionia County, Michigan)
Pratt through truss bridge over Grand River on Portland Riverwalk (formerly Chesapeake & Ohio RR)
Open to pedestrians

Portland Street Bridge (old) (Caledonia County, Vermont)
Built c. 1908 by American Bridge Co; Partially bypassed 1943; Replaced 1963
Lost Pratt through truss bridge over Passumspic River on Portland Street (U.S. Route 2)
Demolished

Possum Creek Bridge (Scott County, Virginia)
Built 1932, Replaced 2014
Former pony truss bridge over Opossum Creek on Route 714
Bridge replaced 2014

Possum Hollow Road Bridge (Franklin County, Indiana)
Built ca.1910
Pony truss bridge over Big Cedar Creek on Possum Hollow Road
Replaced by a new bridge

Possum Trot Bridge (Vermilion County, Illinois)
(Main design: Parker through truss)
Built 1928, replaced in 1976
Lost Through truss bridge over Middle Fork Vermilion River on Route 150
Replaced by new bridge

Possum Trot Road Bridge (Moniteau County, Missouri)
Built ca. 1940
Pony truss bridge over Factory Creek on Possum Trot Road
Open to traffic

Post Oak Creek Trib Bridge (Navarro County, Texas)
Built 1908
2-panel bedstead Pratt pony truss bridge over a branch of Post Oak Creek on N. 15 Street in Corsicana
Open to traffic

Potato Creek Bridge (McKean County, Pennsylvania)
Built ca. 1905 by the York Bridge Co. ; replaced 2012
Lost pony truss bridge over Potato Creek on TR 377
Replaced by a new bridge

Potato Creek Bridge (McKean County, Pennsylvania)
Built ca. 1900; rehabilitated ca. 1960
Pony truss bridge over Potato Creek on TR 373
Open to traffic

POTB - Kilchis River Bridge (Tillamook County, Oregon)
Built 1898.
Pratt through truss bridge on Port of Tillamook Bay Railroad
Open 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 Railroad
Open

POTB - Nehalem River Bridge No. 2 (Tillamook County, Oregon)
Through truss bridge over Nehalem River on Port of Tillamook Bay Railroad
Abandoned

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 Railroad
Open 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. Smith
Lost

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 Glasco
Open to one-lane traffic

Potter Bridge (Washington County, Pennsylvania)
Built 1881
Pony truss bridge over Wheeling Creek on TR 360
Closed to all traffic with deck missing

Potter Ford Bridge (Cedar County, Missouri)
Built 1905 by the Canton Bridge Co.; replaced 1992
Lost through truss bridge over Horse Creek on CR 425
Replaced by new bridge

Potter's Mill Bridge (Jackson County, Iowa)
Lost Pratt through truss bridge over Mill Creek on Road
Removed

POVA - Box Canyon Bridge (Pend Oreille County, Washington)
Built 1909
Pratt deck truss bridge over Box Canyon Resevoir (Pend Oreille River) on Pend Oreille Valley Railroad
Open to traffic

POVA - Pend Oreille River bridge (Bonner County, Idaho)
Built 1909
Pratt through truss bridge over Pend Oreille River on POVA RR
Open to traffic

Poverty Run TR 11 Bridge (Wyandot County, Ohio)
Built ca. 1900
Lost pony truss bridge over Poverty Run on TR 11
Replaced with a concrete span

Powder River Bridge (Sheridan County, Wyoming)
Built 1915; replaced 1989
Lost 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. 1988
Pratt pony truss bridge over Powder River on Private Road
Open to traffic

Powder Springs Bridge (Grainger County, Tennessee)
Built 1909; Replaced 1989
Lost 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 Powell
Open to pedestrians only

Powell Bridge (Hancock County, Ohio)
Built by the Toledo Bridge Co.
Pratt pony truss bridge over Tiderishi Ditch on TR 48
Open to traffic

Powell Road Scioto River Bridge (Delaware County, Ohio)
Lost Bridge over Scotio River
No 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 1990
Lost Pratt through truss over Lost River on Powell Valley Rd.
Replaced by a new bridge

Power Coulee Bridge (Cascade County, Montana)
Built 1909
Pratt 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 1911
Lost Pratt through truss bridge over Illinois River on Peoria & Pekin Union Railway
Replaced 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 Peoria
Replaced by new bridge

Prairie Creek (Vigo County, Indiana)
Built c. 1887; Lost 1989
Lost Pratt pony truss bridge over Prairie Creek on Battlerow Place
Replaced by a new bridge

Prairie Creek Bridge (Iroquois County, Illinois)
Built 1904
Pony truss bridge over Prairie Creek on CR2800N
Open to traffic with 4 ton weight limit

Prairie Creek Bridge (Dubuque County, Iowa)
Built 1901
Through truss bridge over Prairie Creek on Fischer Road
Open to traffic

Prairie Creek Bridge (Linn County, Iowa)
Built 1906; rehabilitated 1989
Through truss bridge over Prairie Creek on Old Bridge Road in Cedar Rapids
Open to traffic

Prairie Creek Bridge (Sullivan County, Indiana)
Built 1899; removed 2000
Through truss bridge over Prairie Creek on CR 875 W
Removed but not replaced

Prairie Creek Bridge (Jackson County, Iowa)
Abandoned pony truss bridge over Prairie Creek on 17th Street
Abandoned

Prairie Creek Bridge (Jackson County, Iowa)
Pony truss bridge over Prairie Creek on an Old Road
Closed 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 Duncan
Open to traffic with 8 ton limit

Prairie Creek Bridge CR 225 W (Old) (Daviess County, Indiana)
Built ca. 1910; replaced 1998
Lost through truss bridge over Prairie Creek on CR 225 W
Replaced by new bridge

Prairie Creek Bridge CR 250 N (Daviess County, Indiana)
Built ca. 1910; removed 2004
Lost through truss bridge over Prairie Creek on CR 250 North
Removed but not replaced

Prairie Creek CR 280W Bridge (Fountain County, Indiana)
Built ca. 1910
Lost Pratt pony truss bridge over Prairie Creek on County Road 280 West
Replaced by a new bridge

Prairie Creek Dead End Road Bridge (Boone County, Indiana)
Built ca. 1910; replaced 1992
Lost pony truss bridge over Prairie Creek on Dead End Road.
Replaced by new bridge

Prairie Creek-CR 450N Bridge (Boone County, Indiana)
Built ca. 1900
Lost Pratt pony truss bridge over Prairie Creek on County Road 450 North
Replaced by a new bridge

Prairie Ditch-Division Road Bridge (Miami County, Indiana)
Built ca. 1920
Lost Pratt pony truss bridge over Prairie Ditch on Division Road
Replaced by a new bridge

Prairie Dog Avenue Bridge (Union County, Iowa)
Built 1900
Pratt through truss bridge over Grand River on Prairie Dog Avenue
Intact 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 Island
Closed

Prairie Dog Creek Bridge (Phillips County, Kansas)
Likely built ca. 1900
Pony truss bridge over Prairie Dog Creek, 1.5 mi. south and 1.0 mi. west of Long Island
Relocated to private property

Prairie Dog Creek-G Road Bridge (Harlan County, Nebraska)
Built ca. 1910
Pratt through truss bridge over Prairie Dog Creek, 0.5 mi. north and 4.0 mi. west of Woodruff
Derelict/abandoned

Prairie du Long Creek Bridge (Monroe County, Illinois)
Built ca. 1910
Pony truss on L Road over Prairie du Long Creek northwest of Red Bud
Abandoned with portions of deck missing

Prairie Fork Bridge (Christian County, Illinois)
Lost Pony truss bridge over Prairie Fork on CR 450N
Replaced by 2 culverts

Prallsville Bridge (Hunterdon County, New Jersey)
Lost Pratt through truss bridge over Wickecheoke Creek on Rt-29
Abutments 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 Trail
Open to pedestrians

Precht Bridge (Henry County, Ohio)
Lost Pratt through truss bridge over North Turkeyfoot Creek on trail
Removed but not replaced

Preston Bridge (Allegheny County, Pennsylvania)
Lost Pratt through truss bridge over Norfolk Southern Railroad on Footpath
Removed but not replaced

Prestwood Bridge (Covington County, Alabama)
Collapsed during attempted removal by helicopter in 1985
Lost Pratt through truss bridge over Conecuh River on Prestwood Bridge Road
Replaced by new bridge

Prewitt Canal CR 57 Bridge (Washington County, Colorado)
Built 1912; replaced 2002
Lost pony truss bridge over Prewitt Canal Lateral on CR 57
No longer exists

Price & Colburn Bridge (Cass County, Missouri)
Built 1910 by contractor George Bird
Pony truss bridge over South Grand River on Rodier Road in Freeman
Intact but closed to all traffic

Price Bridge (Wells County, Indiana)
Built ca.1900; replaced in 1987
Lost Pratt through truss bridge over Wabash River on CR 100W
Replaced by new bridge

Price Bridge (Adams County, Indiana)
Built ca. 1895
Lost Pratt through truss bridge over Wabash River on County Road 150W
Replaced by a new bridge

Price Creek Bridge (Iowa County, Iowa)
Built ca. 1920; rehabilitated 1959; replaced 2015
Lost Pony truss bridge over Price Creek on CR W22 (U Avenue)
Replaced by a new bridge

Price River Bridge (Carbon County, Utah)
Replaced 1999
Lost 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 2012
Pony truss bridge over Deer Creek on Price Street (CR 3)
In storage or disassembled

Prices Bridge (Franklin County, Alabama)
Built ca. 1920
Pratt through truss bridge over Bear Creek on Prices Bridge Rd in Hackleburg
Abandoned on private property; deck is mostly gone

Prichard Drive Bridge (Anderson County, South Carolina)
Built 1945
Pony truss bridge over Prichard Branch on C-4-3328
Open to traffic

Prickett Trail Bridge (Calhoun County, Alabama)
Built 1932
Pony 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 2003
Half-hip Pratt pony truss bridge over Seminary Creek on Private Drive
Open to authorized vehicles only

Private Pratt off OH-161 (Union County, Ohio)
Pratt pony truss bridge over Little Darby Creek on Private Drive
Open to traffic

Proenty Road Bridge (Allegany County, Maryland)
Relocated from another location in 1926; rehabilitated 1995
Lost Pratt pony truss bridge over Jennings Run on Proenty Road
Demolished and replaced with welded truss.

Prophetstown Bridge (Whiteside County, Illinois)
Built 1935; replaced 1994
Through truss bridge over Rock River on Ill 78
Replaced 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 Road
Open to traffic

Province Line Road Bridge (Monmouth County, New Jersey)
Built 1891; rehabilitated 1994
Pratt through truss bridge with Phoenix Columns over Crosswicks Creek on Province Line Road
Open to traffic

Provo River Parkway - Provo River Bridge (Utah County, Utah)
Built 1884; relocated in 1901 and 1919; abandoned 1969
Pratt through truss bridge over Provo River on Provo River Parkway
Open to pedestrians only

PRR - Allegheny River Bridge (Larabee) (McKean County, Pennsylvania)
Built 1900
Pratt through truss bridge over Allegheny River on Norfork Southern Railroad (formerly Pennsylvania Railroad)
Open to traffic

PRR - Brandywine Valley Viaduct (Chester County, Pennsylvania)
Built 1903-04
Abandoned bridge over Brandywine Creek on Former Pennsylvania Railroad P&T Branch
Abandoned in 1989

PRR - Calumet River Swing Bridge (Cook County, Illinois)
Bridge struck 1964 and removed
Lost Pratt through truss swing bridge over Calumet River on Pennsylvania Railroad
Destroyed by collision

PRR - Columbia-Wrightsville Bridge (Lancaster County, Pennsylvania)
Built in 30 days in 1896 to be "temporary" replacement for destroyed covered bridge, with intent of road being added to upper level; neither replacement nor upper deck ever built. Removed 1964
Lost Pratt through truss bridge over Susquehanna River on Pennsylvania Railroad & Lincoln Highway
Removed

PRR - Embarras River Bridge (Coles County, Illinois)
Terre Haute and Peoria Railroad, a Vandalia branch in Illinois, which no longer exists.This bridge is over the Embarras River along Route 133 west of the little town of Oakland. Thanks to Lee Appleton for this find and history.
Abandoned deck truss bridge over Embarras River on Former Pennsylvania Railroad/Penn Central(nee Vandalia, Terre Haute and Peoria Railroad)
Abandoned

PRR - Great Miami River Bridge (Old) (Miami County, Ohio)
Built ?; Replaced 1913
Lost Pratt through truss bridge over Great Miami River on Pennsylvania Railroad
Replaced by a new bridge

PRR - Morris Canal Inclined Plane 11 Bridge (Northampton County, Pennsylvania)
Lost Pratt through truss bridge over Morris Canal Inclined Plane 11 on Pennsylvania Railroad
Removed

PRR - Muscatatuck River Bridge (Jackson County, Indiana)
Lost Pratt through truss bridge over Muscatatuck River on Pennsylvania Railroad
Replaced by a new bridge

PRR - Muskingum River Bridge (Coshocton County, Ohio)
Destroyed by flood & replaced 1913
Lost Pratt through truss bridge over Muskingum River on Railroad
Replaced by a new bridge