There are 8,735 bridges in this category · Only showing 6,678 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.

Butler City Viaduct (Butler County, Pennsylvania)
Built 1918; rehabilitated 1972; replaced 2005
Lost deck truss bridge over B&LE Railroad on PA 8 in Butler
Replaced by a new bridge

Butler's Landing Bridge (Johnson County, Iowa)
Replaced 1907
Lost Pratt through truss bridge over Iowa River on Road
Replaced by a new bridge

Butte Creek Bridge (Butte County, California)
Current bridge 2002, history of previous bridges unknown
Lost Pratt through truss bridge over Butte Creek on Centerville Road
Replaced by new bridge

Butte Mountain Road Bridge (Tehama County, California)
Built 1927
Pratt Pony truss bridge over Elmore Creek on Butte Mountain Road
Open to traffic

Butterfield Bridge (Barry County, Missouri)
Built 1936
Through truss bridge on Farm Road 1090 (Old MO 37) over the Arkansas & Missouri railroad tracks south of Butterfield
Open to traffic

Buttermilk Creek Bridge (Brown County, Kansas)
Lost pony truss bridge over Buttermilk Creek, 3.3 mi. east and 3.0 mi. north of Willis
Replaced by a new bridge

Butternut Creek CR 350S Bridge (Jay County, Indiana)
Built ca. 1900
Lost Bedstead Pratt pony truss bridge over Butternut Creek on County Road 350 South
Replaced by a new bridge

Butzow Bridge (Iroquois County, Illinois)
Buit 1883, replaced 1995-1996
Lost Through truss bridge over Spring Creek on CH 35
Replaced by new bridge

Buzzard Creek Bridge (Le Flore County, Oklahoma)
Built ca. 1940
Pony truss bridge over Buzzard Creek on D4538
Open to local traffic

Buzzard Roost Creek Bridge (Colbert County, Alabama)
Built 1940
Pratt pony truss bridge over Buzzard Roost Creek on Rickard Cutoff Rd
Open to traffic - Weight Limit: 6 tons

Buzzi Unicem - LaSalle Rail Bridge (LaSalle County, Illinois)
(Main design: Parker through truss)
Built 1896, two deck truss spans removed and replaced with a Parker truss in 1932
Through truss bridge over Illinois River/I&M Canal/Railroad (IAIS) on Buzzi Unicem's private rail line in La Salle
Open

BYCX - East Fork Lewis River Bridge (Clark County, Washington)
Pin-connected Pratt deck truss bridge over East Fork Lewis River on Chelatchie Prairie Railroad (B.Y.C.X.)
Open to traffic

Byram Road Bridge (Bucks County, Pennsylvania)
Built 1877; rehabilitated 1995
pin-connected Pratt Pony truss bridge over Pennsylvania Canal on Point Pleasant Pk, PointPleasant (Plumstead Twp) PA.
Open to traffic

Byrd Creek MO 72 Bridge (Cape Girardeau County, Missouri)
Built 1923; replaced Fall 2009
Lost through truss bridge over Byrd Creek on MO 72 northwest of the junction with MO 34
No longer exists

Byrnesville Bridge (Jefferson County, Missouri)
Built ca. 1892, probably by the St. Louis Bridge & Iron Co.
Bypassed through truss bridge over Big River at Byrnesville
Open to pedestrians on private property

C&A - Kankakee River Bridge (Old) (Will County, Illinois)
Replaced 1913
Lost Pratt through truss bridge over Kankakee River on Chicago & Alton Railroad
Replaced by a new bridge

C&C - LIttle Miami River Bridge (Clermont County, Ohio)
Built 1906; One span lost in flooding during 1907 and replaced with a truss from the Cincinnati, Hamilton & Dayton Railroad; Removed ca. 1920
Lost Pratt through truss bridge over Little Miami River on Cincinnati & Columbus Traction Co.
Removed

C&EI - West Okaw River Viaduct (Moultrie County, Illinois)
Built 1892
Lost Pratt deck truss bridge over West Okaw River on Chicago & Eastern Illinois
Replaced by a new bridge

C&LE - Big Darby Creek Bridge (Madison County, Ohio)
Lost Pratt deck truss bridge over Big Darby Creek on Cincinnati & Lake Erie Railroad
Removed

C&NW - Wedges Creek Bridge (Clark County, Wisconsin)
Abandoned double Pratt pony truss bridge over Wedges Creek on Abandoned Chicago & Northwestern Railway
Derelict/abandoned

C&O - Baldwin Bridge (Botetourt County, Virginia)
Abandoned pratt through truss bridge over James River on former Craig Valley Branch of the Chesapeake & Ohio Railroad
Abandoned

C&O Bridge (Kanawha County, West Virginia)
(Main design: Pennsylvania through truss)
Built 1907; Single-lane road added 1920
Parker through truss bridge over Kanawha River on CSX Railroad (Formerly Chesapeake & Ohio Railroad)
Intact but closed to all traffic

C&O Canal Towpath Bridge (Washington, District of Columbia)
Pratt pony truss bridge over Chesapeake and Ohio Canal on a pedestrian trail
Open to pedestrians only

C&O Canal Towpath Bridge (Washington, District of Columbia)
Pratt pony truss bridge over Chesapeake and Ohio Canal on a pedestrian trail
Open to pedestrians only

C&S - Deansbury Bridge (Old) (Jefferson County, Colorado)
Lost Pratt through truss bridge over South Platte River on Denver, South Park & Pacific Railroad
Replaced by a new bridge

C&S - Forks Creek Bridge (Jefferson County, Colorado)
Pratt through truss bridge over Clear Creek on Colorado & Southern Railroad
Removed

C&S - Mill Gulch Bridge (Jefferson County, Colorado)
Built 1870; Converted to highway use ca. 1935; Relocated 1985
Lost Pratt through truss bridge over South Platte River on Denver, South Park & Pacific Railroad
Replaced by a new bridge

C&TS - Chama River Bridge (Rio Arriba County, New Mexico)
Built here 1924
Through truss bridge over Chama River on Railroad
Open to traffic

CA&E - Chicago River Bridge (Cook County, Illinois)
Built 1895 for Metropolitan-West Side Elevated Railroad, removed ca 1958 after the CA&E folded in 1957
Lost Pony truss bridge over Chicago River on Chicago, Aurora & Elgin Railroad
Removed but not replaced

CA&E/EJ&E Overpass (Du Page County, Illinois)
Built 1909; Removed ca. 1938
Lost Pratt through truss bridge over Elgin, Joliet & Eastern Railway & Chicago & North Western Railway on Chicago, Aurora & Elgin Railroad
Replaced by a new bridge

Cabin Creek CR 750W Bridge (Randolph County, Indiana)
Built 1915
Pony truss bridge over Cabin Creek on CR 750 West.
Open to traffic

Cache Creek Bridge (Yolo County, California)
Built 1932; rehabilitated 1955, replaced 2010
Lost Pratt Through truss bridge over Cache Creek on CR 57
Replaced by new bridge

Caddo Creek Bridge (Carter County, Oklahoma)
Built 1929-1930
Lost three span through truss bridge over Caddo Creek on US 77 in Ardmore
Replaced by a new bridge in 2009

Caddo Creek Bridge (Bryan County, Oklahoma)
Built in1921 with Federal Aid Project Funding
Pratt through truss bridge over Caddo Creek on old US Highway 70
Open to traffic

Cadys Falls Bridge (Lamoille County, Vermont)
Built 1928 by American Bridge Co.; Rehabilitated 2012
Pratt through truss bridge over Lamoille River on TR 2/FAS 239 in Morristown
Open to traffic

Cahaba Beach Road Bridge (Shelby County, Alabama)
Built 1904
Pratt through truss bridge over Little Cahaba River on Cahaba Beach Road in Shelby County, just outside Birmingham
Open to pedestrians only

Caine Road Covered Bridge 35-04-61 (Ashtabula County, Ohio)
Built 1986
Modern covered bridge over West Branch Ashtabula River on Caine Road
Open to traffic

CALA - Lumber River Bridge (Marion County, South Carolina)
Through truss bridge over Lumber River on Carolina Southern Railroad
Open to traffic

Caldwell Bridge (Butler County, Pennsylvania)
Built 1910; replaced 2006
Lost pony truss bridge over Connoquenessing Creek on TR 500 in Shanor-Northvue
Demolished and replaced

Caldwell County Road Department Bridge (Caldwell County, Missouri)
Pony truss bridge
In storage or disassembled

Caldwell Road Bridge (Crawford County, Ohio)
Built 1890 by the Variety Iron Works
Through truss bridge over Sandusky River on Caldwell Road (TR 33)
Closed to all traffic

Calendonia Bridge (Traill County, North Dakota)
Built 1895; rehabilitated 1965
Through truss bridge over Goose River on a county highway in Caledonia
Closed to all traffic

Calhoun County Historic Bridge Park Bridge #1 - 133rd Avenue Bridge (Calhoun County, Michigan)
Built 1897 over Rabbit River in Allegan County, MI and carried 133 Ave. Rehabilitated and Relocated to the H.B.P. in 1999.
Pratt pony truss bridge over Dickinson Creek on a pedestrian path in the Historic Bridge Park
Open to pedestrians

Calhoun County Historic Bridge Park Bridge #2 - 20 Mile Road Bridge (Calhoun County, Michigan)
Built 1906; Replaced by new bridge in 1996 and relocated to the Calhoun County Historic Bridge Park
Relocated Pratt pony truss bridge originally over St Joseph River on 20 Mile Road, now relocated to Historic Bridge Park in Calhoun County and restored as a pedestrian bridge
Relocated and open to pedestrians

Calhoun County Historic Bridge Park Bridge #3 - Gale Road Bridge (Calhoun County, Michigan)
Built 1897
Pratt through truss bridge over Dickinson Creek on a pedestrian path in the Historic Bridge Park
Open to pedestrians

Calhoun County Historic Bridge Park Bridge #4 - Bauer Road Bridge (Calhoun County, Michigan)
Built 1880 over Looking Glass River in Clinton County, MI. Later rehabilitated and relocated to its current location.
Pratt through truss bridge over Dickinson Creek on a pedestrian path in the Historic Bridge Park
Open to pedestrians

Calhoun Street Bridge (Bucks County, Pennsylvania)
Built 1884 by the Phoenix Bridge Co.; rehabilitated 2010
Through truss bridge over Delaware River on Calhoun Street/Trenton Avenue
Open to traffic

Callahan Dump Bridge (Siskiyou County, California)
Built 1909
Through truss bridge over Scott River on Wildcat Creek Road
Open to traffic

Callaway County Road 4010 Bridge (Callaway County, Missouri)
Built 1909-10 by Stupp Brothers
Lost pony truss bridge over Wainscott Creek on CR 4010 near Cote Sans Dessein
Replaced by a culvert, but some metal and concrete pieces remain

Callaway Fork Bridge (St. Charles County, Missouri)
Built 1909 by the Decatur Bridge Co.; made obsolete by new bridge in 1968
Closed through truss bridge over Callaway Fork on Old Route D west of New Melle
Closed to all traffic in 1996 NBI

Callender Road Bridge (Ashtabula County, Ohio)
Built 1913
Through truss bridge over Grand River on Callender Road (TH 550)
In storage or disassembled

Calliope Bridge (Sioux County, Iowa)
Built ?; Repaired/Lally column built 1895; 100' Pratt added 1907; Removed ca. 1969
Lost Pratt through truss bridge over Big Sioux River on Johnson Street
Removed; A lally column remains

Calvert Hill Road Bridge (Greene County, Pennsylvania)
Built ca. 1915
Pony truss bridge over Shannon Run on TR 357
Open to traffic

Cambria Road Bridge (Hillsdale County, Michigan)
Built 1899; Replaced 1991
Lost Pratt pony truss bridge over West Branch St.Joseph of Maumee on Cambria Road in Camden
Replaced by new bridge

Cammie Thomas Ditch-Waskom Bridge Rd. Bridge (Washington County, Indiana)
Built ca. 1920; rehabilitated 1965; replaced in 2002
Lost through truss bridge over Cammie Thomas Ditch on Waskom Bridge Road
Replaced by a new bridge

Camp Arthur Bridge (Knox County, Indiana)
Lost Bridge over Smalls Creek on Camp Arthur Road
Collapsed. Replaced by new bridge.

Camp Branch Bridge (Cass County, Missouri)
Pratt pony truss bridge over Camp Branch on private lane
Private, limited use

Camp Corbly Road Thru Truss Bridge (Clearfield County, Pennsylvania)
Built ca. 1910; rehabilitated with steel arch support in 1988
Through truss bridge with steel arch reinforcement over West Branch Susquehanna River on TR 418
Open to traffic

Camp Creek 243rd Street Bridge (Cass County, Missouri)
Pony truss bridge over Camp Creek on 243rd Street
Open to traffic

Camp Creek Bridge (Creek County, Oklahoma)
Built 1914
Bedstead pony truss bridge over Camp Creek on 281st St. S. (E0870)
Bypassed and abandoned.

Camp Creek Bridge (McDonough County, Illinois)
Pony truss bridge over Camp Creek on Beaver Rd (N325th Rd)
Open to traffic

Camp Creek Bridge (Hancock County, Illinois)
Built 1917
Through truss bridge over Camp Creek on CR3000
Open to traffic

Camp Creek CR 146 Bridge (Saline County, Missouri)
Built ca. 1910
Pony truss bridge over Camp Creek on CR 146
Open to traffic

Camp Dodge Road Bridge (Old) (Polk County, Iowa)
Lost Pratt through truss bridge over Beaver Creek on Camp Dodge Road
Replaced by a new bridge

Camp Grade Road Bridge (Lafayette County, Florida)
Built 1912; rehabilitated 1989; scheduled to be replaced and relocated
Pony truss bridge over Steinhatchee River on Camp Grade Road
Open to traffic

Camp Jordan Bridge (Hamilton County, Tennessee)
Built 1910 by the Converse Bridge Co. as the Suttle Mill Bridge; relocated to Camp Jordan in 2001
Through truss bridge over West Chickamauga Creek on a trail at Camp Jordan Park


Camp Run Creek CR 800N Bridge (Jay County, Indiana)
Built ca. 1900
Lost Pratt pony truss bridge over Camp Run Creek on County Road 800 North
Replaced by a new bridge

Camp Run Creek CR 850N Bridge (Jay County, Indiana)
Built ca. 1905
Lost Bedstead Pratt pony truss bridge over Camp Run Creek on County Road 850 North
Replaced by a new bridge

Camp Wawa Road Bridge (Montgomery County, Pennsylvania)
Built 1892; rehabilitated 1937, 1987
Pony truss bridge over East Branch Perkiomen Creek on Camp Wawa Road in Lower Salford Township
Closed

Campbell Bridge (Montgomery County, Indiana)
Built in 1902 by the Elkhart Bridge Co., abandoned when I-74 was built.
Pratt through truss bridge over Walnut Fork Creek on private lane (former CR 875E)
Closed to all traffic

Campbell Bridge (Warren County, Illinois)
Built 1895, moved to Citizen's Lake Monmouth in 1992
through truss bridge over Citizen's Lake on Citizen's Park Trail
Open to pedestrians only

Canadian Creek Bridge (Kay County, Oklahoma)
Built ca. 1920; replaced 2011
Lost pony truss bridge over Canadian Creek on N3465
Replaced by a new bridge

Canal Street Bridge (Cook County, Illinois)
Built 1948
Bascule bridge over South Branch Chicago River on Canal Street in Chicago
Open to traffic

Canal Street Bridge (Franklin County, Indiana)
Built ca. 1910
Lost Pratt pony truss bridge over Duck Creek on Canal Street
Replaced by a new bridge

Cane Creek Bridge (Muskogee County, Oklahoma)
Built 1929
Through truss bridge over Cane Creek on N4110
Replaced by a new bridge

Caney Boggy Creek Bridge (Hughes County, Oklahoma)
Built 1936
Through truss bridge over Caney Boggy Creek on D3846
Open to traffic

Caney Fork & Western - Barren Fork Bridge (Warren County, Tennessee)
Originally built by the Nashville, Chattanooga & St. Louis Railroad, later the Louisville & Nashville Railroad, later CSX
Pratt pony truss bridge over Barren Fork River on Caney Fork & Western Railroad in McMinnville
Open to traffic

Caney River Bridge (Chautauqua County, Kansas)
Built ca. 1900
Through truss bridge over Caney River, 0.5 mi. east of Cedarvale
Closed to all traffic

Caney River Bridge (Chautauqua County, Kansas)
Built 1915
Through truss bridge over Caney River, 0.7 mi. west of Hewins on Dalton Rd (RS 95)
Open to traffic

Canneff Bridge (Cerro Gordo County, Iowa)
Pratt pony truss bridge over East Branch Beaver Dam Creek on Road
Replaced by a new bridge

Canning Factory Road Bridge (McDonald County, Missouri)
Built 1908 by the Marcus Bridge & Iron Co.; replaced 2001
Lost two-span through truss bridge over Indian Creek on SW-71-10 (Canning Factory Road) in the southwest part of Anderson
Replaced by a new bridge on altered alignment

Cannon Bottoms Road Bridge (North Truss) (Goodhue County, Minnesota)
Built 1915
Lost through truss bridge over Cannon River in Red Wing, northern of two truss bridges.
Removed

Cannon Bottoms Road Bridge (South Truss) (Goodhue County, Minnesota)
Built 1911, Removed 2013
Lost through truss bridge over a back channel of the Cannon River on Cannon Bottom Road in Red Wing
Removed

Canoe Creek Bridge (Winneshiek County, Iowa)
Built 1908
Through truss bridge over Canoe Creek on Pleasant View Road (Pleasant View Rd)
Open to traffic

Cape Arago Lighthouse Bridge (Coos County, Oregon)
Built 1898; Removed 2013
Lost Pratt pony truss bridge over Pacific ocean
Demolished

Cape Creek MO 72 Bridge (Madison County, Missouri)
Built 1923; rehabilitated 1975; bypassed 2007
Pony truss bridge over Cape Creek on MO 72
Closed to public traffic, but used as a private driveway

Cape Fear River Railroad Bridge (Harnett County, North Carolina)
Through truss bridge over Cape Fear River on Railroad
Open to traffic

Caplinger Mills Bridge (Cedar County, Missouri)
(Main design: Pratt through truss)
Built 1895 by the Chicago Bridge Co.
Through truss bridge over Sac River at Caplinger Mills
Open to pedestrians only

Captain Creek Bridge (Lincoln County, Oklahoma)
Built ca. 1920
Pony truss bridge over Captain Creek on N3310
Replaced by a new bridge

Cardinal Road bridge (Knox County, Indiana)
(Main design: Pratt through truss)
Built in 1895 by the Indiana Bridge Company; now bypassed
Through truss bridge over Busseron Creek on Cardinal Road (CR 1100 North)
Bypassed by a new bridge

Carlisle Road Bridge (Woodson County, Kansas)
Built 1925
Pony truss bridge over a branch of Verdigris River on Carlisle Road
Closed to all traffic

Carlton Bridge (Mercer County, Pennsylvania)
Built 1888 by Columbia Bridge Works; rehabilitated 1990
Through truss bridge over French Creek on SR 1015 (New Lebanon Road)
Currently being moved to Michigan for refurbishment and then on to its new home in New Jersey

Carlton Street Footbridge (Norfolk County, Massachusetts)
Built 1894; closed to pedestrians in 1976
Pony truss bridge over the railroad tracks on a pedestrian walkway between Carlton Street and Riverway Park
Closed to all traffic

Carolan Bridge (Logan County, Arkansas)
Lost through truss bridge over Petit Jean River on Carolan Road (CR 11) southwest of Booneville
No longer exists

Carpenter Creek Branch CR 480W Bridge (Jasper County, Indiana)
Built ca. 1910
Lost Bedstead Pratt pony truss bridge over Branch of Carpenter Creek on County Road 480 West
Replaced by a new bridge

Carpenter's Ford Bridge (Augusta County, Virginia)
Built 1903-04 by the Brackett Bridge Co.
Pratt through truss bridge over Middle River on Craig Shop Road (Route 775)
Open to one-lane traffic

Carpenters Bluff Bridge (Grayson County, Texas)
Built 1910; Renovated for auto use 1965, rehabilitated 1981
Through truss bridge over Red River on Carpenters Bluff Road (formerly KO&G RR)
Open to foot traffic only and includes a Wagon Shelf extension of South deck

Carr Creek Bridge (Mitchell County, Kansas)
Built 1904
Pony truss bridge over Carr Creek, 1.1 mi. east and 5.0 mi. north of Tipton
Open to traffic

Carroll County Road 314 Bridge (Carroll County, Missouri)
Built ca. 1895 by the Edge Moor Bridge Works; later relocated here
Through truss bridge over the BNSF Railway on CR 314
Open to traffic

Carroll County Road 323 Bridge (Carroll County, Missouri)
Built 1911
Pony truss bridge over the BNSF Railway on CR 323
Open to traffic

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