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.
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 1964Lost Pratt through truss bridge over Susquehanna River on Pennsylvania Railroad & Lincoln HighwayRemoved
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 1913Lost Pratt through truss bridge over Great Miami River on Pennsylvania RailroadReplaced by a new bridge
PRR - L&T Little Juniata River Bridge (Blair County, Pennsylvania)
Line from Stover (Tyrone Jct.) to Fairbrook built 1881 by PRR subsidiary Lewisburg & Tyrone, but never connected to orig. L&T line Lewisburg-Bellefonte. Line acquired by Bellefonte Central RR 1929, operation discontinued 2-1-1933, track lifted 1942.Abandoned bridge over Little Juniata on former PRR/Lewisburg and Tyrone RailroadAbandoned
PRR - Muscatatuck River Bridge (Jackson County, Indiana)
Lost Pratt through truss bridge over Muscatatuck River on Pennsylvania RailroadReplaced by a new bridge
PRR - Muskingum River Bridge (Coshocton County, Ohio)
Destroyed by flood & replaced 1913Lost Pratt through truss bridge over Muskingum River on RailroadReplaced by a new bridge
PRR - Phoenixville Bridge (Old) (Chester County, Pennsylvania)
Built 1884; Replaced 1915Lost Pratt deck truss bridge over Schuylkill River on Pennsylvania RailroadReplaced by a new bridge
PRR - Shenango River Bridge (Mercer County, Pennsylvania)
Abandoned pratt through truss bridge over Shenango River on former Pennsylvania RailroadDerelict/abandoned
PRR - Sleepy Hollow Bridge (Cecil County, Maryland)
Abandoned through truss bridge over Basin Run Creek on Pensylvania RailroadDerelict/abandoned
PRR - West Fork White River Bridge (Delaware County, Indiana)
Built ca. 1885 by the Pennsylvania RailroadAbandoned pratt through truss bridge over West Fork White RiverAbandoned
PRRT - Androscoggin River Bridge (Coos County, New Hampshire)
Built by Boston & Maine RR; line taken over by New Hampshire & Vermont RR, bridge abandoned ca. 1996 and converted to snowmobile trailPratt deck truss bridge with trestle over Androscoggin River, NH16, & Railroad (SLR)Open to pedestrians only
PRSL - Crook Horn Creek Bridge (Cape May County, New Jersey)
Built 1910; abandoned 1981, removed Nov. 1992Lost Pratt through truss drawbridge over Crook Horn Creek on Conrail RRNo longer exists
Pruden Creek Bridge (Lewis and Clark County, Montana)
Bridge over Pruden CreekBridge is on private property. A dirt road from the ranch to the north crosses the bridge and then veers to the east.
Pryor Creek Bridge (Rogers County, Oklahoma)
Built 1910 ; Replaced/Abandoned in 1998Abandoned pony truss bridge over Pryor Creek on E3000 Rd.Derelict/abandoned
Pryor Creek Bridge (Rogers County, Oklahoma)
Built 1926Through truss bridge over Pryor Creek on 1st St. (Old Rt. 66).Open to traffic
Pryor Creek Bridge (Mayes County, Oklahoma)
Built ca. 1930Through truss bridge over Pryor Creek on E0500 in PryorReplaced by a new bridge
Pryor Creek Bridge (Rogers County, Oklahoma)
Built 1913Bedstead Pony truss bridge over Pryor Creek on E0310 Rd.Closed to all traffic
Pryor Road Cedar Creek Bridge (Jackson County, Missouri)
NB gives build date of 1910; Engineering report suggests that this was built around 1870Lost pony truss bridge over Cedar Creek on Pryor Road in Lee's Summitreplaced by a new bridge
PSAP - Satsop River Bridge (Grays Harbor County, Washington)
Built 1913 using a secondhand spanBridge over Satsop River on Puget Sound and Pacific RailroadOpen to traffic
PTC - Kickapoo Creek Bridge (Peoria County, Illinois)
Built 1900; Replaced 1936Lost Pratt through truss bridge over Kickapoo Creek on Peoria Terminal Co.Replaced by a new bridge
Puente Silva (Hormigueros, Puerto Rico)
Built 1897; bypassed by new bridge in 1989Pratt pony truss bridge over Rio Guanajibo on PR 114Closed to all traffic
Pugh Ford Bridge (Bartholomew County, Indiana)
Built 1911 by the Elkhart Bridge & Iron Co.; rehabilitated 1997Two-span through truss bridge over Flatrock River on CR 900 NorthOpen to traffic
Pumphouse Road Bridge (Clark County, Ohio)
Built 1905 by the Rogers Iron Co.; rehabilitated 1967Pratt through truss bridge over Beaver Creek on Pumphouse Road in SpringfieldNow used for the Buck Creek Trail.
Pumping Station Road Bridge (Knox County, Illinois)
Pony truss bridge over Sugar Creek on Pumping Station RoadIntact but closed to all traffic
Pumping Station Road Bridge (Harrison County, Indiana)
Built ca. 1905Lost Pratt pony truss bridge over South Fork of Buck Creek on Pumping Station RoadReplaced by a new bridge
Pumpkin Run Road Bridge (Greene County, Pennsylvania)
Built ca. 1895, by the Wrought Iron Bridge Co.Through truss bridge over a branch of Dunkard Creek on TR 716 (Pumpkin Run Road)Open to traffic
Pumpkin Run Road Bridge (Gibson County, Indiana)
Built ca. 1902Lost Pratt pony truss bridge over Higginbotham Ditch on Pumpkin Run Road (CR 1350W)Replaced by a new bridge
Purdon Crossing Bridge (Nevada County, California)
Built 1889, rehabilitated 2013Pratt half through through truss bridge over South Yuba River on Purdon RoadOpen to traffic
Purdy Marsh Bridge (Knox County, Indiana)
Built 1905Pony truss bridge over Purdy Marsh on Pieper Road (CR 1050E)Closed to all traffic
Pursley Run Pony Truss (Greene County, Pennsylvania)
Abandoned bridge over Pursley Run on Private laneAbandoned
Putnam Bridge (New York County, New York)
Built 1881; Closed 1958; Removed 1960Lost Pratt through truss bridge over Harlem River on New York & Putnam Railroad & Interborough Rapid Transit CompanyRemoved
PVRR - Elm Street Overpass (Hampden County, Massachusetts)
Built 1889Abandoned through truss bridge over Elm Street/Route 10 on NYNH&H Canal LineDerelict/abandoned
PW - Triad Bridge (Worcester County, Massachusetts)
Through truss bridge over Blackstone River on P&W Providence MainOpen to traffic
Q Street Viaduct (Older) (Douglas County, Nebraska)
Built 1888; Replaced 1908Lost Pratt through truss bridge over Union Pacific Railroad on Q StreetReplaced by a new bridge
QO&KC Smithville Railroad Bridge (Clay County, Missouri)
The Kansas City Atlantic Railroad arrived 1887, the QO&KC left in 1939.Lost Pratt through truss bridge over Little Platte River on Quincy, Omaha and Kansas City RRRemoved but not replaced
Quaker Bridge (Mercer County, Pennsylvania)
Built 1898, bypassed approx 2006. Left in original location.Bypassed Through truss bridge over Little Shenango River on PA 4006 (Williamson Road)Bypassed and open only to pedestrians. Very good condition!
Quaker Bridge Road Bridge (Westchester County, New York)
Built 1894; rehabilitated 1994Through truss bridge over Croton River on Quaker Bridge Road in Croton-on-HudsonOpen to traffic
Quaking Aspen Ranch Bridge (Stillwater County, Montana)
Pratt through truss bridge over East Rosebud River on a drivewayOpen to traffic
Quapaw Creek Bridge (Osage County, Oklahoma)
Built 1938Lost Through truss bridge over Quapaw Creek on W. Oak St. in SkiatookReplaced by a new bridge
Quapaw Creek Bridge (Lincoln County, Oklahoma)
Built 1914Pony truss bridge over Quapaw Creek on N3450Open to traffic
Quarry Road Bridge (Caldwell County, Missouri)
Built ca. 1930Pony truss bridge over a branch of Log Creek on S.E. Quarry RoadOpen to traffic
Quasqueton Bridge (Buchanan County, Iowa)
(Main design: Camelback through truss)Replaced 1959Camelback through truss bridge over Wapsipinicon River on Water StreetReplaced by a new bridge
Queen Anne Bridge (Prince George's County, Maryland)
Abandoned Pratt pony truss bridge over Patuxent River on Queen Anne Bridge Rd in Town of Queen Anne (Hardesty)Abandoned
Queen Street Bridge (Lebanon County, Pennsylvania)
Lost Pratt pony truss bridge over Quittapahilla River on Queen StreetDestroyed by severe weather and flooding of Hurricane Agnes in 1972
Queens Avenue Bridge (Mahaska County, Iowa)
Lost through truss bridge over North Skunk River on Queens AvenueDestroyed by flooding 2012-2013; Currently in a heap 100 yards down stream from original location
Quick City Bridge (Johnson County, Missouri)
Built 1929 by the Standard Bridge Co.; replaced 1999Lost through truss bridge over Big Creek on CR SW 1541Replaced by a new bridge
Quimby Bridge (Cherokee County, Iowa)
Lost Pratt through truss bridge over Little Sioux River on Main StreetReplaced by a new bridge
Quinette Road Bridge (St. Louis County, Missouri)
Built 1913 by Miller & BorcherdingLost pony truss bridge over Grand Glaize Creek on Quinette Road in ManchesterDemolished
Quisenberry Road Bridge (Pettis County, Missouri)
Built ca. 1905, probably by A.M. Blodgett; rehabilitated 1960; closed Feb. 2012Lost bedstead pony truss bridge on Quisenberry Road over a branch of Coon CreekReplaced by a new bridge
R&E/LV Overpass (Ontario County, New York)
Built 1903Lost Pratt through truss bridge over Lehigh Valley Railway on Rochester & Eastern Rapid RailwayRemoved
R&S - Lyons Bridge (Wayne County, New York)
Lost Pratt through truss bridge over Erie Canal on Rochester & Syracuse RailroadRemoved but not replaced
Rabbit Road Bridge (Bridge No. 4846) (Le Sueur County, Minnesota)
Moved here from south of Vernon Center in 1929, removed 1984 and relocated again.Relocated Pratt through truss over MN22 (Old US 169) on Rabbit RoadReplaced by a new bridge
Raccoon River Bridge (Dallas County, Iowa)
Lost Pratt through truss bridge over North Raccoon River on RoadReplaced by a new bridge
Radnor Road Bridge (Delaware County, Ohio)
Bridge built ca. 1920 to replace the Lavender Covered Bridge; replaced in 2010Lost Pratt through truss bridge over Scioto River on Radnor RoadReplaced by new bridge
Rahway River Drawbridge (Union County, New Jersey)
Lost Pratt through truss bridge over Rahway River No longer exists
Railey Creek Bridge (Stone County, Missouri)
Built 1923 by contractor M.E. Gillioz; Replaced 2019Through truss bridge over Railey Creek on MO 413 / MO 248 (formerly MO 13)Replaced by a new bridge
Railroad Bridge Campground Bridge (Chaffee County, Colorado)
Built 1919 by the Virginia Bridge & Iron Co.Through truss railroad bridge over the Arkansas River at Railroad Bridge Access ParkInactive.
Railroad Grade Road Bridge (Shoshone County, Idaho)
Built 1908 to carry the Milwaukee Road Pacific Coast Extension in 1908. Railroad abandoned in 1980. Now a public road bridge.Pratt through truss bridge over St. Joe River on Railroad Grade RoadOpen to traffic
Railroad Street Bridge (Benton County, Iowa)
Replaced during 2010'sLost Pony truss bridge on Railroad StreetReplaced by a new bridge
Railroad Street Bridge (Lamoille County, Vermont)
Built 1928 by Bethlehem Steel Co.; Rehabilitated 2006Pratt through truss bridge over Lamoille River on Railroad Street (C2002) in JohnsonOpen to traffic
Raisin River Bridge (Lenawee County, Michigan)
Lost Pratt through truss bridge over Raisin River on RoadRReplaced by a new bridge
Ramsey Creek Bridge (Pike County, Missouri)
replaced 2011Lost pony truss bridge over Ramsey Creek on CR 207Replaced by a new bridge
Ramsey Creek Bridge (Fayette County, Illinois)
Built 1924, Abandoned in 1954 after new bridge was built to the eastAbandoned through truss bridge over Ramsey Creek on US 51, 6 miles north of VandaliaAbandoned, but intact and in good condition
Ramsey Creek Bridge (Effingham County, Illinois)
Built 1909Pony truss bridge over Ramsey Creek on TR 266, 1.7 mi. west of EberleIntact but closed to all traffic
Ramsey Creek Bridge (Fayette County, Illinois)
Built 1929Pony truss bridge over Ramsey Creek on TR 19, 3.5 mi. northeast of RamseyOpen to traffic
Ranch Creek Bridge (Pawnee County, Oklahoma)
Built 1927Pony truss bridge over Ranch Creek on E0530 Rd.Open to traffic
Ranch Creek Bridge (Lincoln County, Oklahoma)
Built 1912Bedstead pony truss bridge over Ranch Creek on E0820Intact but closed to all traffic
Range Street Bridge (Kankakee County, Illinois)
Built 1886 by the Massillon Bridge Company; Replaced 1938Lost Pratt through truss bridge over Kankakee RiverNo longer exists
Ranney Bridge (Essex County, New York)
Built 1902 by Canton Bridge Co.; Relocated here 1925Pratt pony truss bridge over Ausable River on Private RoadOpen to traffic
Ransom Road - Maple River Bridge (Gratiot County, Michigan)
Collapsed in 1968; NBI shows replacement in 1985Lost Pony truss bridge over Maple River on Ransom RoadReplaced by a new bridge
Rapidan Mills Bridge (Blue Earth County, Minnesota)
(Main design: Whipple through truss)Built 1879; Removed 1910-1911Lost Whipple through truss bridge over Blue Earth River on RoadRemoved
Rattlesnake Creek Bridge (Owen County, Indiana)
Built ca. 1900Pony truss bridge over Rattlesnake Creek on CR 166 (200S)Abandoned
Rattlesnake Creek Bridge (Cuming County, Nebraska)
Built 1903Pony truss bridge over Rattlesnake Creek on 22nd Road, 2 mi. west and 2 mi. north of BancroftIn storage or disassembled
Raven Rock Rosemont Road Bridge (Hunterdon County, New Jersey)
Built 1878Through truss bridge over Lockatong Creek on Raven Rock RoadRestoration complete, bridge open
Ravine Road Bridge (Warren County, New Jersey)
Built 1938; rehabilitated 1997Pony truss bridge over Pohatcong Creek on Ravine RoadOpen to traffic
Rawson Road Bridge (Providence County, Rhode Island)
Built 1886; rehabilitated 1950, rehabilitated/upgraded in 2008Pony truss bridge over Abbott Run on Rawson Road in CumberlandOpen to traffic
Ray Lovin Memorial Bridge (Loudon County, Tennessee)
Originally built across Round Lick Creek in Smith County, relocated to Loudon County in 1986.Pratt pony truss bridge over Steekee Creek on bicycle-foot pathOpen to pedestrians
Raymond Road Bridge (Lenawee County, Michigan)
Built 1900Pratt pony truss bridge over Fitts Creek on Raymond RoadClosed to all traffic
RCPE - Big Sioux River Bridge (Brookings County, South Dakota)
Built 1910Pratt through truss bridge over Big Sioux River on Rapid City, Pierre & Eastern RailroadOpen to traffic
RCPE - Cheyenne River Bridge (Fall River County, South Dakota)
Built 1910 using Relocated 1898 TrussesPratt through truss bridge over Cheyenne River on Rapid City, Pierre & Eastern RailroadOpen to traffic
RCPE - Whitewood Creek Bridge (Lawrence County, South Dakota)
Built 1898, Moved Here Ca. 1909Pratt Through truss bridge over Whitewood Creek on Rapid City, Pierre & Eastern RailroadOpen to traffic
RDG - Red Bridge (Schuylkill County, Pennsylvania)
Lost Pratt through truss bridge over Schuylkill River on Reading RailroadReplaced by a new bridge
Reading - Fishing Creek Bridge (Columbia County, Pennsylvania)
Pratt through truss bridge over Fishing Creek on abandoned Reading RRDerelict/abandoned since 1976
Reaville Bridge (Hunterdon County, New Jersey)
Built 1860s-mid 1870s, still in existence in the early 1900sLost Pratt pony truss bridge over Neshanic River on Old York Road?No longer exists
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