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.
FDDM - Lehigh Bridge (Webster County, Iowa)
Built 1880Lost Pratt through truss bridge over Des Moines River on Fort Dodge, Des Moines & Southern RailwayNo longer exists
FDDM - Shady Oak Bridge (Webster County, Iowa)
Built 1907; Timber trestle replaced by DPGs 1922; Removed ca 1983Pratt deck truss bridge over Des Moines River on former Fort Dodge, Des Moines & Southern Railroad at Shady OakRemoved
Featherbed Lane Bridge (Loudoun County, Virginia)
Built in 1889 by the Variety Iron Works; relocated here in 1932Through truss bridge over Catoctin Creek on Featherbed Lane (Rt673)Open to traffic
FEC - St. Johns River Bridge (Jacksonville) (Duval County, Florida)
Built 1925, replaced a single-track swing bridge originally built in 1890Through truss bridge w/Strauss Trunnion bascule lift span over St. Johns River in JacksonvilleOpen to traffic
Felton Covered Bridge 05-44-02 (Santa Cruz County, California)
Built 1893, retired from use 1937, Restored 1987.Bridge over San Lorenzo River on Pedestrian pathOpen to pedestrians
Fenton Bridge (St. Louis County, Missouri)
(Main design: Parker through truss)Built in 1925; made obsolete by new bridge in 1968 on a new alignment of Missouri State Highway 30; closed to traffic August 2nd, 2007; demolished in March 2010. Replacement UCEB opened to traffic August 18th, 2012.Lost four-span through truss bridge on Gravois Road (Old MO Hwy. 30) over the Meramec River between Fenton and Sunset HillsReplaced by UCEB
Fenton Creek Bridge (Franklin County, Missouri)
Abandoned deck truss bridge over Fenton Creek just off Route V at UnionClosed to all traffic
Ferndale Road Bridge (Marinette County, Wisconsin)
Built 1910 by Elkhart Bridge & Iron Co.; Replaced 1990Lost Pratt through truss bridge over Peshtigo River on Ferndale Road in Towns of Grover and LakeReplaced by new bridge
Ferry Bar Bridge (Whatcom County, Washington)
(Main design: Pratt through truss)Built 1941; Converted to road use 1954; Removed 1960Lost Pratt through truss bridge over Skagit River on RoadRemoved
Ferry Road Bridge (Hunterdon County, New Jersey)
Built 1901, altered 1933Pony truss bridge over Plum Brook on Ferry RoadOpen to traffic
Fertile Bridge (Older) (Worth County, Iowa)
Lost Pratt through truss bridge over Winnebago River on 1st StreetReplaced by a new bridge
Fetters Mill Road Bridge (Montgomery County, Pennsylvania)
Built 1883; rehabilitated 1977Through truss bridge over Pennypack Creek on Fetters Mill Road in Bryn AthynIntact but closed to all traffic
FGLK - Cayuga Bridge (Cayuga County, New York)
Pratt through truss bridge over Cayuga Lake on Finger Lakes RailwayOpen to traffic
Ficklin Bridge (Douglas County, Illinois)
Built 1913Lost through truss bridge over Kaskaskia River on TR 56, .8 mi. northwest of FicklinReplaced by a new bridge
Fiddlers Ford Bridge (Dade County, Missouri)
Built 1911 by the Canton Bridge Co. of Canton, Ohio; replaced 2015Through truss bridge over Turnback Creek on CR 540Replaced by a new bridge
Field Bridge (Cedar County, Iowa)
Built 1895Pinned half-hip Pratt pony truss bridge over Small Stream on FieldOpen to private traffic
Field Bridge (Benton County, Iowa)
Pratt pony truss bridge over Unnamed Creek on PrivateOpen to livestock; one end appears to have fallen but trusses are intact.
Field Bridge (Pocahontas County, Iowa)
Pony truss bridge over Little Cedar Creek on FieldOpen to private traffic
Fifth Street Bridge (Saline County, Kansas)
Built 1905Through truss bridge over Saline River on 5th Street north of Salina in SalinaClosed to all traffic
Fifth Street Bridge (Henry County, Indiana)
Lost Pratt pony truss bridge over Fall Creek on 5th StreetReplaced by a new bridge
Fifth Street Bridge (Muskingum County, Ohio)
(Main design: Pennsylvania through truss)Built 1893;Lost Pennsylvania through truss bridge over Muskingum River on Fifth StreetDemolished
Finney Creek Bridge (Clay County, Kansas)
Built ca. 1930Pony truss bridge over Finney Creek in Clay CenterOpen to traffic
Fireman's Park Bridge (Red River County, Texas)
Pratt pony truss bridge on a pedestrian pathOpen to pedestrians
First Avenue Bridge (San Diego County, California)
Built 1931Steel arch bridge over Maple Canyon on First Avenue in San DiegoOpen to traffic
First Avenue Bridge (ca. 1885) (Vanderburgh County, Indiana)
(Main design: Whipple through truss)Lost Whipple through truss bridge over Pigeon Creek on 1st AvenueReplaced by a new bridge
First Jefferson City Bridge (Cole County, Missouri)
Opened Oct. 15, 1896; demolished 1955Lost through truss swing bridge over the Missouri River at Jefferson CityReplaced by the current US 54 bridge, but vestiges of south approach remain at end of Bolivar Street
Firth Bridge (Bingham County, Idaho)
Lost Pratt through truss bridge over Snake River on East River RoadReplaced by a new bridge
Fish Creek Bridge (Henry County, Iowa)
Built 1894, moved and restored 2002Pinned Pratt truss-leg bedstead bridge, formerly over a branch of Fish Creek on a local roadOpen to pedestrians only
Fish Creek Bridge (Henry County, Iowa)
Built 1907Through truss bridge over Fish Creek on Kentucky AvenueClosed to all traffic
Fish Creek CR 130 Bridge (Saline County, Missouri)
Built ca. 1910Pony truss bridge over Fish Creek on CR 130Open to traffic
Fishback Creek CR 500S Bridge (Boone County, Indiana)
Built ca. 1920; replaced 1998Lost pony truss bridge over Fishback Creek on CR 500 SReplaced by new bridge
Fishback Ford Bridge (Johnson County, Indiana)
Built 1896 by the King Bridge Company; replaced 1993Lost Pratt through truss bridge over Youngs Creek on CR 400 SReplaced by new bridge
Fisher Bridge (Polk County, Iowa)
Built 1906; Replaced 1959Lost Pratt through truss bridge over Des Moines River on 66th Avenue/Des Moines RFD No.4/Kempton RoadReplaced by a new bridge
Fisher Ford Road Bridge (Benton County, Arkansas)
Built 1903 by the Leavenworth Bridge Co.Lost Pratt through truss bridge over Illinois River on Fisher Ford Road (CR 2)Removed early 2014
Fisher's Bridge (Greene County, New York)
Pratt pony truss bridge on Palenville Road over Kaaterskill CreekReplaced by a new bridge
Fisher's Ford Bridge (Orange County, Indiana)
(Main design: Pratt through truss)Built 1898; Replaced 1981Lost Pratt through truss bridge over Lost River on County Road 200 EastReplaced by new bridge
Fishing Creek Bridge (Clinton County, Pennsylvania)
Built ca. 1900Pony truss bridge over Fishing Creek on Old Hill RoadClosed to all traffic
Fishing River 60th Street Bridge (Ray County, Missouri)
Built 1904 by the American Bridge Co.Through truss bridge over Fishing River on W. 60th StreetOpen to traffic
Fisk Bridge (Butler County, Missouri)
Built 1929; main span collapsed Dec. 1975; replaced and reopened Mar. 1976Lost skewed through truss bridge over St. Francis River on MO 51 (Old US 60) at FiskMain truss span replaced, but original approaches and piers remain
Fitzwater Road Bridge (Cuyahoga County, Ohio)
Built 1922 by the King Bridge Co.Lost through truss bridge over the Cuyahoga River on Fitzwater Road (a service road) within the Cuyahoga Valley National ParkReplaced by a new bridge
Five Mile Creek Bridge (Atoka County, Oklahoma)
Built ca. 1920Bedstead pony truss bridge over Five Mile Creek on N3960Intact, but poor deck condition, and gated on one side
Flat Branch Bridge (Shelby County, Illinois)
Built 1916Pony truss bridge over Flat Branch on TR 35A, 3 mi. southeast of MoweaquaOpen to traffic
Flat Branch Bridge (Shelby County, Illinois)
Built 1900Pony truss bridge over Flat Branch on TR 86Derelict/abandoned with deck removed
Flat Branch CR2200E Bridge (Christian County, Illinois)
Pony truss bridge over Flat Branch on CR2200E, 4 mi. southeast of Stoningtonopen to all traffic
Flat Branch Road Bridge (Wayne County, West Virginia)
Closed through truss bridge over West Fork of Twelvepole Creek on Flat Branch Road (CR 52/16)Closed
Flat Creek Bridge (Coles County, Illinois)
Built 1895Pony truss bridge over Flat Creek on TR 53, .5 mi. west of HumboldtOpen to traffic
Flat Creek Bridge (Pike County, Indiana)
Built 1883; rehabilitated 1990Pony truss bridge over Flat Creek on CR 200 Southreplaced by a new bridge
Flat Creek Bridge (Lewis and Clark County, Montana)
Built 1901Pony truss bridge over Flat Creek on CR 320Open to traffic
Flat Creek Bridge CR 250 N (Pike County, Indiana)
Built ca. 1910; Replaced 1990Lost Pratt through truss bridge over Flat Creek on CR 250 NReplaced by a new bridge
Flat Creek CR 1182 Bridge (Barry County, Missouri)
Built ca. 1910; replaced 1997Lost through truss bridge over Flat Creek on CR 1182Replaced by new bridge
Flat Creek CR 2080 Bridge (Barry County, Missouri)
Built ca. 1910Through truss bridge over Flat Creek on CR 2080Open to one-lane traffic
Flat Creek CR 450 S (Dubois County, Indiana)
Built ca. 1905; Replaced 1987Lost Pratt pony truss bridge over Flat Creek on CR 450 SouthReplaced by a new bridge
Flat Creek MO 248 Bridge (Barry County, Missouri)
Built 1930Three-span through truss bridge over Flat Creek on MO 248 just west of MO 39Open to one-lane traffic
Flat Iron Bridge (Vermillion County, Indiana)
(Main design: Pennsylvania through truss)Built 1898, rehabilitated 1925, replaced 1998Lost through truss bridge over Vermillion River on Forest Glen RoadReplaced by new bridge
Flat River Bridge (St. Francois County, Missouri)
Lost two-span pony truss bridge over Flat River on Main Street (now MO 32) in Flat River (now Park Hills)Replaced by a new bridge in 1928
Flat Rock River IN 252 Bridge (Shelby County, Indiana)
Built in 1925; replaced ca.1989Lost Pratt through truss bridge over Flat Rock River on SR 252Replaced by new bridge
Flat Run TR 62 (Burson Rd.) Bridge (Morrow County, Ohio)
Built 1883 by the Massillon Bridge Co.; closed to traffic in 2009Pony truss bridge over Flat Run on TR 62 (Burson Rd.)Closed to all traffic
Flatrock Creek Bridge (Allen County, Indiana)
Built ca.1899 by the Wrought Iron bridge Company; replaced in 1987Lost Pratt through truss bridge over Flatrock Creek on Morgan Road (CR 127)Replaced by new bridge
Flatrock Creek Bridge (Jennings County, Indiana)
Built 1895Pony truss bridge over Flatrock Creek on County Road 1225 NorthOpen to traffic
Flatrock River CR 600S Bridge (Henry County, Indiana)
Built in 1904 by the Pan American Bridge Company of New Castle; replaced 1993Lost through truss bridge over Flatrock River on CR 600 SReplaced by new bridge
Fleegle Bridge (Somerset County, Pennsylvania)
Built 1887 by the Groton Bridge Co.Through truss bridge over Stonycreek River on TR 666 (Lenhart Road)Open to traffic
Fleenor Branch Bridge (Harrison County, Missouri)
Lost Pratt pony truss bridge over Fleenor Branch on unnamed RoadDestroyed by flooding
Fleming Bridge (Santa Rosa County, Florida)
Abandoned pratt through truss bridge over Coldwater Creek on an abandoned section of Steel Bridge RdDerelict/abandoned
Fleming Road Bridge (Ray County, Missouri)
Built ca. 1930; rehabilitated 1997Pony truss bridge over Keeney Creek on Fleming RoadOpen to traffic
Flint Creek Bridge (Delaware County, Oklahoma)
Built 1930Three span pony truss bridge over Flint Creek on D0579 Rd. (Old US 59/OK 11/OK 33)Open to traffic
Flint River Bridge (Des Moines County, Iowa)
Built 1883; Removed 2008-2009; Removed from NRHP 10-15-14Through truss bridge over Flint River on 155th StreetRemoved but not replaced
Flint River Bridge (Baker County, Georgia)
Built 1921Lost Pratt through truss bridge over Flint River on Roadway 37No longer exists
Flintville Bridge (Harford County, Maryland)
Built 1927; Replaced 1998Lost Pratt through truss bridge over Broad Creek on Flintville RoadReplaced by a new bridge
Flood Creek Bridge (Floyd County, Iowa)
Rehabilitated 1948, Replaced 2014Pony truss bridge over Flood Creek on Holly AvenueReplaced by a new bridge
Florence Avenue Bridge (Rutland County, Vermont)
Built 1949Pratt through truss bridge over Otter Creek on Florence AvenueOpen to traffic
Florida River Bridge (La Plata County, Colorado)
Built ca. 1887Through truss bridge over Florida River on Ranchos Florida RoadOpen to traffic
Floyd River Bridge (Plymouth County, Iowa)
Lost Pratt through truss bridge over Floyd River on RoadReplaced by a new bridge
Flushing Road Bridge (Bucks County, Pennsylvania)
Built 1948Pony truss bridge over a branch of Neshaminy Creek on Flushing RoadOpen to traffic
FM 1600 Through Truss (Milam County, Texas)
Abandoned pratt through truss bridge over Cummins CreekDerelict/abandoned
FM 2305 Hike & Bike Trail Bridge (Bell County, Texas)
Built in 1889 by the Milwaukee Bridge & Iron CompanyPratt through truss bridge over Pepper Creek on FM 2305 Hike & Bike TrailOpen to pedestrians only
FM 428 Bridge (Denton County, Texas)
Built 1922, bypassed 1992Pratt through truss bridge over Elm Fork of the Trinity River on Greenbelt Trail (Former FM 428)Open to pedestrians
FM2854 Bridge (Montgomery County, Texas)
Built 1910; Bypassed 1968Abandoned through truss bridge over San Jacinto RiverAbandoned
Fonda Bridge (Pocahontas County, Iowa)
Built 1891; Replaced ?Lost Pratt through truss bridge over Cedar Creek on Road (Now named Bridge Street)Replaced by a new bridge
Force Road-Shreve Creek Bridge (Wayne County, Ohio)
Built 1915; rehabilitated 1962Pony truss bridge over Shreve Creek on abandoned section of Force Road (TR 289).Intact but closed to all traffic
Ford Farm Overpass (Ulster County, New York)
Built 1907 for farm accessPratt pony truss bridge over Hudson Valley Rail TrailPlanned to be opened to pedestrians only
Forder Bridge (Paulding County, Ohio)
Built 1889; Replaced 1996Lost Pratt through truss bridge over Maumee River on CR 73Replaced by a new bridge
Fordin Bridge (Steuben County, Indiana)
Replaced 1939Lost Pratt Bedstead pony truss bridge over Pigeon Creek on Golden Lake RoadReplaced by new bridge
Fore River Bridge (Old) (Norfolk County, Massachusetts)
Built 1936; rehabilitated 1954Lost deck truss bascule bridge over Fore River on MA 3AReplaced by a new bridge
Fore River Bridge (Older) (Norfolk County, Massachusetts)
Replaced 1936Lost Pratt through truss bridge over Fore River on 3AReplaced by a new bridge
Forest Brook Drive Bridge (Ellis County, Texas)
Built at unknown date. Rehabilitated or relocated in 1968Pony truss bridge over Red Oak Creek on Forrest Brook Drive in OvillaReplaced by a new bridge
Forest Street Bridge (Clearwater County, Idaho)
Built 1925; rehabilitated 1955Riveted Pratt pony truss over Orofino Creek on Forest Street in OrofinoOpen to traffic
Foreston Bridge (Howard County, Iowa)
Built 1892; Replaced 1998Lost Pratt through truss bridge over Upper Iowa River on Quail AvenueReplaced by new bridge
Forestville Bridge (Delaware County, Iowa)
Lost Pratt through truss bridge over Maquoketa River on RoadReplaced
Forestville South Branch Root River Bridge (Fillmore County, Minnesota)
Built 1899 by the Gillette-Herzog Manufacturing Co.; closed to traffic in 2009Through truss bridge over South Branch Root River on CR 118 at ForestvilleOpen to pedestrians only
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