There are 9,308 bridges in this category · Only showing 7,320 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.
Clarks Mill Road Bridge (Columbiana County, Ohio)
Built 1912; replaced 2007Lost through truss bridge over North Fork Yellow Fork Creek on Clarks Mill (TR 773)Lost
Clay Lick Creek Bridge (Metcalfe County, Kentucky)
Built 1921Pony truss bridge over Clay Lick Creek on Glasgow Street in EdmontonBridge was removed and scrapped immediately after completion of it's replacement
Claylick Metal Bridge (Licking County, Ohio)
Built 1932 to replace a covered bridge; Replaced 1979Lost Pratt through truss bridge over Licking River on Brushy Fork Road (Brownsville Road)Replaced by new bridge
Clear Boggy Creek Bridge (Atoka County, Oklahoma)
Built 1928Through truss bridge over Clear Boggy Creek on 0356C in CaneyOpen to traffic
Clear Boggy Creek Bridge (Atoka County, Oklahoma)
Built 1934Through truss bridge over Clear Boggy Creek on OK 7Replaced by a new bridge
Clear Boggy Creek Bridge (Choctaw County, Oklahoma)
Built 1919Through truss bridge over Clear Boggy Creek on 1214CBypassed by new bridge
Clear Boggy Creek Bridge (Coal County, Oklahoma)
Built 1946Through truss bridge over Clear Boggy Creek on FAS 1505Replaced by a new bridge
Clear Creek Bridge (Whitley County, Kentucky)
Built 1917. Possible work in 1940.Deck truss bridge over Clear CreekDerelict/abandoned
Clear Creek Bridge (Greene County, Missouri)
Built 1896 by the Wrought Iron Bridge Co.; rehabilitated 1904 by the Canton Bridge Co.; replaced 1991Lost through truss bridge over Clear Creek on Farm Road 33Replaced by modern bridge
Clear Creek Bridge (Payne County, Oklahoma)
Built 1905Pony truss bridge over Clear Creek on 92nd StreetReplaced by a new bridge
Clear Creek Bridge (Allamakee County, Iowa)
Lost Pratt through truss bridge over Clear Creek on Front Street/River RoadReplaced by a new bridge
Clear Creek Bridge (Pawnee County, Nebraska)
Built ca. 1935Pony truss bridge over Clear Creek on 715 Road, .5 mi. north and .2 mi. west of Table RockOpen to traffic
Clear Creek Bridge (Brown County, Texas)
Built 1930; bypassed by new bridge in 2017Pony truss bridge over Clear Creek on CR 225Closed
Clear Creek Bridge (Elk County, Kansas)
Abandoned through truss bridge over Clear Creek.Derelict/abandoned
Clear Creek Bridge (Old) (Navajo County, Arizona)
Lost Pratt through truss bridge over Clear Creek on AZ 99Replaced by a new bridge
Clear Fork Plum Creek Bridge (Caldwell County, Texas)
Built 1910; Bypassed by new bridge in 1997Through truss bridge over Clear Fork Plum Creek on Robin Ranch Rd (CR 213)Closed to all traffic
Clear Springs Bridge (Henry County, Indiana)
Built ca.1900; replaced 1992Lost pony truss bridge over Duck Creek on CR 100 SReplaced by new bridge
Clement Street Bridge (Hampshire County, Massachusetts)
Built 1894; rehabilitated 1923; closed July 2007; reopened 2010Through truss bridge over Mill River on Clement Street in NorthamptonOpen to traffic
Clemmons Creek Bridge (Washington County, Iowa)
Built 1905Pony truss bridge over Clemons Creek on 240th StreetAbandoned
Cliff Avenue Bridge (Old) (Minnehaha County, South Dakota)
Built 1894; relocated here from 10th St. in 1934; replaced in 1972.Lost Pratt through truss bridge over Big Sioux River on Cliff AvenueReplaced by a new bridge
Clifton Bridge (Delaware County, Indiana)
(Main design: Warren through truss)Built in 1915 by the Indiana Bridge CompanyLost Warren through truss bridge over Mississinewa River on CR 525EReplaced by new bridge
Clifty Branch Bridge (Greene County, Indiana)
Built c. 1897; replaced 1985Lost Pratt pony truss bridge over Clifty Branch on CR750EReplaced by a new bridge; REPLACEMENT closed
Climbing Arrow Road Bridge (Gallatin County, Montana)
Built in 1899 by the Missouri Valley Bridge & Iron Works.Pratt through truss bridge over Madison River on Climbing Arrow Road
Clinton Falls Bridge (Steele County, Minnesota)
Built 1894Through truss bridge over Straight River on CR 95 in OwatonnaClosed to all traffic and barricaded
Clinton Street Drawbridge (Old) (La Crosse County, Wisconsin)
Built ?; Replaced 1920Lost Pratt pony truss bridge over Black River on Clinton StreetReplaced by a new bridge
Cloud Creek Bridge (Muskogee County, Oklahoma)
Built 1929; Replaced 2017Through truss bridge over Cloud Creek on Taft Road (Old U.S. 62/64)Replaced by a new bridge
Cloud Creek Bridge (Muskogee County, Oklahoma)
Built 1911; rehabilitated 1958Through truss bridge over Cloud Creek on E0940 Rd.Open to traffic
Clouser Bridge (Montgomery County, Indiana)
Built 1893; replaced 1997Lost through truss bridge over Sugar Creek on CR 950 EReplaced by new bridge
Clover Ford Bridge (Shelby County, Indiana)
Built in 1889 by the King Bridge CompanyPratt through truss bridge over Buck Creek on CR 875 WestRelocated and restored
Clover Ford-Blue River Park Bridge (Shelby County, Indiana)
Built in 1889 by the King Bridge Company to cross Buck Creek on CR-875W. Relocated to Shelbyville in April 2019.Pratt through truss bridge over Park Lagoon on Pedestrian WalkwayOpen to pedestrians only
Clyde Hill Road Bridge (Ashtabula County, Ohio)
Built 1889.; one span washed out and replaced in 2002Through truss bridge with modern pony truss approach over Grand River on Clyde Hill RoadOpen to traffic
Clyde Oler Road - Greens Fork Bridge (Wayne County, Indiana)
Built ca. 1895 by the Massillon Bridge Company; replaced in 1966Lost Pratt through truss bridge over Greens Fork on Clyde Oler RoadReplaced by a new bridge in 1966
CM - Bay City Swing Bridge (Bay County, Michigan)
Pratt through truss bridge over Saginaw River on Central Michigan RailwayOpen to traffic
CMRR - Catskill Creek Bridge #2 (Greene County, New York)
Built 1882, Removed 1918Lost Through truss bridge over Catskill Creek on Removed Catskill Mountain RailwayRemoved
CMRR - Catskill Creek Bridge #3 (Greene County, New York)
Built 1882; Removed 1918Lost Pratt through truss bridge over Catskill Creek on Removed Catskill Mountain RailwayRemoved
CN - Back Cove Swing Bridge (Cumberland County, Maine)
Abandoned 1967, Wooden trestles burned by arsonists in 1984Through truss bridge over Back Cove on Abandoned RailroadAbandoned
CN - Cedar River Bridge (Black Hawk County, Iowa)
Built 1899Pratt through truss bridge over Cedar River on Canadian National Railway in Cedar FallsOpen to traffic
CN - Chippewa River Bridge (Murry) (Rusk County, Wisconsin)
Built 1907, Heavily Rebuilt Ca. 2006Pratt through truss bridge over Chippewa River on Candian National RailwayOpen to traffic
CN - Dubuque Bridge (Dubuque County, Iowa)
Swing Span Built 1892, Approach Spans Built 1899; Bridge Strengthened 2012/13Mississippi River crossing on BNSF Railway, Canadian National Railway in DubuqueOpen to railroad traffic
CN - East Fork Galena River Bridge #8 (Jo Daviess County, Illinois)
Built 1922Through truss bridge over E. Fork Galena River on CN (former ICRR) about 800' NE of Buckhill Rd grade crossing.Open to traffic
CN - East Fork Galena River Bridge #9 (Jo Daviess County, Illinois)
Built 1922Through truss bridge over E Fork Galena River on CNRR (former ICRR) just S of Buckhill Rd grade crossingOpen to traffic
CN - Flambeau River Bridge (S) (Rusk County, Wisconsin)
Built 1905Pratt deck truss bridge over Flambeau River on Canadian National RailwayOpen to traffic
CN - Hatfield Dam Bridge (Middle) (Jackson County, Wisconsin)
Built 1873, Replaced 2015Lost Pratt deck truss bridge over Black River on Canadian National RailwayReplaced by a new bridge
CN - Kishwaukee River Bridge (Winnebago County, Illinois)
Built 1904Through truss bridge over Kishwaukee River on Canadian National RailwayOpen to traffic
CN - Milwaukee River Bridge (Ozaukee County, Wisconsin)
Built 1902Pratt pony truss bridge over Milwaukee River on Canadian National RailroadOpen to traffic
CN - Peters Creek Bridge (Panola County, Mississippi)
Through truss bridge over Peters Creek on Canadian National RailwayOpen to traffic
CN - Pine River Bridge (Lincoln County, Wisconsin)
Built 1900Pratt pony truss bridge over Pine River on Canadian National RailwayOpen to traffic
CN - Porler Street Swing Bridge (Brown County, Wisconsin)
Built 1902Lost Pratt through truss bridge over Fox River on Abandoned Canadian National RailwayRemoved
CN - Thornapple River Bridge (Rusk County, Wisconsin)
Built 1907, Rehabilitated Ca. 2006Pratt through truss bridge over Thornapple River on Canadian National RailwayOpen to traffic
CN - Trempeleau River Bridge (Trempealeau County, Wisconsin)
Pratt pony truss bridge over Trempeleau River on Candian National RailwayOpen to traffic
CN - Yellow Creek Bridge (Stephenson County, Illinois)
Built 1904Through truss bridge over Yellow Creek on Canadian National RailwayOpen to traffic
CNJ - Lehigh River Bridge (Lehigh County, Pennsylvania)
Built ?; One span lost to flooding 1902.Abandoned pratt through truss bridge over Lehigh River on Central Railroad of New JerseyAbandoned
CNJ - Lehigh River Bridge (Old) (Northampton County, Pennsylvania)
(Main design: Whipple through truss)Built 1867; Repaced 1897Lost truss bridge over Lehigh River on LR&E RailroadNo longer exists
CNJ - South Branch Raritan River Bridge (Somerset County, New Jersey)
Built 1896,Abandoned pratt through truss bridge over South Branch Raritan River on Central Railroad of New JerseyDerelict/abandoned
CNJ/LV Overpass (Old) (Carbon County, Pennsylvania)
Built 1888; Replaced 1906Lost Pratt through truss bridge over Lehigh Valley Railroad on Central Railroad of New JerseyReplaced by a new bridge
CNTP - New River Viaduct (3rd) (Scott County, Tennessee)
Built 1908; Replaced by a new bridge and mostly removed 1963Abandoned Pratt deck truss bridge over New River once carried Cincinnati, New Orleans and Texas Pacific Railway's Cincinnati Southern Railroad (later Norfolk Southern), before being bypassedAbandoned
CNW - Big Bear Creek Bridge (Poweshiek County, Iowa)
Removed 1958Pratt through truss bridge over Big Bear Creek on Chicago & North Western RailwayRemoved
CNW - Clinton Bridge (East Channel) (Whiteside County, Illinois)
(Main design: Other through truss)Built 1865; Reconstructed 1868 & 1874; replaced by a new bridge in 1908McCallum through truss bridge over Cat Tail Slough on RailroadReplaced by a new bridge
CNW - Clinton Bridge (West Channel) (Clinton County, Iowa)
(Main design: Bollman through truss)Built 1865; Approaches reconstructed 1874; Drawspan replaced 1887; Approaches reconstructed again 1898; replaced by a new bridge in 1908Lost Bollman through truss bridge over Mississippi River on RailroadReplaced by a new bridge
CNW - Deering Swing Bridge (Cook County, Illinois)
Built 1887; Replaced 1916Lost Pratt through truss bridge over South Branch Chicago River on Chicago & North Western RailwayReplaced by a new bridge
CNW - Galena River Bridge (Jo Daviess County, Illinois)
(Main design: Quadrangular lattice through truss)Lost Bridge over Galena River on Abandoned Chicago & Northwestern RRNo longer exists
CNW - Kalo Bridge (Webster County, Iowa)
Built 1900; Line soft-abandoned 1967 after flooding-related mudslide damaged ROW; Fully abandoned & removed 1981Lost Pratt through truss bridge over Des Moines River on Minneapolis & St. Louis Railway "Mud Line"Removed
CNW - Moingona Bridge (Boone County, Iowa)
(Main design: Parker through truss)Built 1894, Removed 1933Lost Parker through truss bridge over Des Moines River on Chicago & North Western RailwayRemoved but not replaced
CNW - Winona Swing Bridge (Winona County, Minnesota)
Built 1899, Approach Rebuilt 1928; abandoned and mostly removed 1977Lost through truss bridge over Mississippi River on Former Chicago & Northwestern RailwayMostly Removed
CNW - Wisconsin Rapids Bridge (Wood County, Wisconsin)
Built 1901; Demolished 1979Lost Pratt through truss bridge over Wisconsin River on CNW (Abandoned)Removed
CNYK - Lackawaxen River Bridge (Pike County, Pennsylvania)
Built 1894; altered 1907Pratt deck truss bridge over Lackawaxen River on Norfolk Southern (formerly Erie Railway)Open to traffic
CNYK - Mill Rift Bridge (Orange County, New York)
Deck truss bridge over Delaware River on former Erie RailwayOpen to traffic
CO&P - I&M Canal Bridge (LaSalle County, Illinois)
Lost Pratt through truss bridge over Illinois & Michigan Canal & Railroad (RI) on Chicago, Ottawa & Peoria RailwayRemoved but not replaced
CO&P - Spring Valley Viaduct (Bureau County, Illinois)
Built 1904Pratt deck truss and deck plate girder bridge over Chicago & North Western Railway & Spring Creek on Chicago, Ottawa & Peoria RailwayRemoved
Co. Rd. 20 Bridge (Jackson County, Alabama)
Collapsed 1971; New bridge built 1975Lost Pratt through truss bridge over Paint Rock River on Co. Rd. 20Collapsed 1971
Coal Center Bridge (Washington County, Pennsylvania)
Built 1888 by the Penn Bridge Co.; rehabilitated 1984Through truss bridge over Pike Run on Water StreetOpen to traffic
Coal Creek Bridge (Warren County, Iowa)
Built 1900; removed 2008Lost pony truss bridge over Coal Creek on a local roadNo longer exists
Coal Creek Bridge (Lyon County, Kansas)
Built 1933Pony truss bridge over an unnamed creek, 6.0 mi. south of EmporiaOpen to traffic
Coal Creek Bridge (Ottawa County, Kansas)
Likely built ca. 1900. Demolished ca. 2014.Lost Pratt pony truss bridge over Coal Creek on X.5-21 Local, 2.0 mi. north of VerdiRemoved but not replaced
Coal Creek Bridge (Bureau County, Illinois)
Built 1920Through truss bridge over Coal Creek on 1670 N Ave near MineralIntact but closed to all traffic
Coal Creek Bridge (Coal County, Oklahoma)
Built 1928Pony truss bridge over Coal Creek on E1634 (Old OK 3)Replaced by a new bridge
Coal Creek Bridge (Bureau County, Illinois)
Pratt pony truss bridge over Coal Creek on Abandoned alignment of 550E near SheffieldLooks intact but in private property
Coal Creek Bridge (Pittsburg County, Oklahoma)
Built 1927, Abandoned 2011Through truss bridge over Coal Creek on Tannehill RdIntact but closed to all traffic
Coal Creek Bridge (Iron County, Utah)
Pony truss bridge over Coal Creek on Pedestrian TrailOpen to pedestrians only
Coal Creek Bridge (Rock Island County, Illinois)
Built 1898Lost Pratt pony truss bridge over Coal Creek on Blackhawk RoadReplaced by a new bridge
Coal Creek Bridge (Atchison County, Kansas)
Built ca. 1960Pony truss bridge over Coal Creek, 0.1 mi. south and 4.0 mi. east of ArringtonOpen to traffic
Coal Creek Bridge (Fountain County, Indiana)
Lost Through truss bridge over Coal Creek on Sterling DriveReplaced by a new bridge
Coal Creek CR 230W Bridge (Vermillion County, Indiana)
Lost Pratt through truss bridge over Coal Creek on County Road 230 WestReplaced by a culvert
Coal Shaft Road Bridge (Vermilion County, Illinois)
Built ca. 1890'sLost Through truss bridge over Middle Fork Vermilion River on CR2130NNo longer exists
Coaldale Bridge No. 1 (Fremont County, Colorado)
Built 1906; later bypassed by another truss bridgeAbandoned through truss bridge over Arkansas River at Coaldale on CR 6 (Hayden Creek Rd.) just north of US 50Abandoned
Coaldale Bridge No. 2 (Fremont County, Colorado)
Built ca. 1910; rehabilitated 1960Pratt through truss bridge over Arkansas River on CR 6Open to traffic
Coatesville High Bridge (2nd) (Chester County, Pennsylvania)
Built 1867; Replace 1890Lost Pratt deck truss bridge on RailroadReplaced by a new bridge
Cobden Bridge (Union County, Illinois)
Built 1926; replaced 1997Lost through truss bridge over the Illinois Central Railroad on Old US 51 in CobdenReplaced by a new bridge
Coe Bridge (Knox County, Missouri)
Built 1904 by the American Bridge Co.; replaced 2002Lost bedstead pony truss bridge over Little Fabius River on CR 370No longer exists
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