There are 8,016 bridges in this category · Only showing 5,937 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.


Osage Road Spring Creek Bridge (Clay County, Kansas)
Built 1903
Pratt through truss bridge over Spring Creek, 2.0 mi. north and 6.0 mi. west of Green
Open to traffic

Osage Valley Road Bridge (Cooper County, Missouri)
Built 1913; rehabilitated 1993
Pony truss bridge over Petite Saline Creek on Osage Valley Road
Open to traffic

Osborn Road Bridge (Tehama County, California)
Built 1960; rehabilitated 1984
Pratt Pony truss bridge over Mill Creek on Osborn Road
Open to traffic

Osborne Covered Bridge (Clayton County, Iowa)
(Main design: Through truss)
Lost Through truss bridge over Volga River on Road
Removed

Osborne Road Bridge (Osage County, Kansas)
Built ca. 1910
Abandoned through truss bridge over 110 Mile Creek, 2.5 mi. north and 0.7 mi. east of Quenemo
Closed to all traffic

Osceola Bridge (St. Clair County, Missouri)
Lost circa 1970
Lost two-span through truss bridge over Osage River at Osceola
Demolished with the creation of Truman Reservoir

Osiris Bridge (Cedar County, Missouri)
Built 1911 by the Canton Bridge Co.; replaced 2006
Lost pony truss bridge over Horse Creek on CR 1600
Replaced by a new bridge

Ost Valle Bridge (Grand Forks County, North Dakota)
Built 1910
Through truss bridge over an Unnamed tributary of Red River on a 8th Avenue NE, 1 mi. north and 6 mi. east of Thompson in Walle Township
Open to traffic

Oswald Bridge (Madison County, Illinois)
Built 1937, replaced in 2014-15
Pony truss bridge over Sugar Creek on Michael Road, east of Highland, 1.5 mi. east of Highland
Replaced by a new bridge

Ottawa Bridge (LaSalle County, Illinois)
(Main design: Parker through truss)
Built 1910; Replaced 1933
Lost Parker through truss bridge over Illinois River on La Salle Street
Replaced by a new bridge1933

Ottawa Bridge (Old) (LaSalle County, Illinois)
Built 1885; Replaced 1910
Pratt through truss bridge over Illinois River on La Salle Street
Replaced by a new bridge

Ottawa Creek TR 38 Bridge (Hancock County, Ohio)
Built by the Smith Bridge Co.
Pony truss bridge over Ottawa Creek on TR 38
Closed to all traffic

Ottawa Creek TR 84 Bridge (Hancock County, Ohio)
Built by the Wrought Iron Bridge Co.
Pony truss bridge over Ottawa Creek on TR 84
Closed to all traffic

Ottawa Street Bridge (Newton County, Missouri)
Built by the Canton Bridge Co, Replaced 2008
Pony truss bridge over Little Lost Creek on Ottawa Street in Seneca
Replaced by a new bridge

Otter Creek Bridge (Lyon County, Iowa)
Built 1900
Through truss bridge over Otter Creek on a local road
Open to traffic

Otter Creek Bridge (Franklin County, Virginia)
Built 1932
Pratt through truss bridge over Otter Creek on Mario Farm Road 892
Open to traffic

Otter Creek Bridge (Logan County, Oklahoma)
Built 1912
Through truss bridge over Otter Creek on E0640
Closed to all traffic

Otter Creek Bridge (Fayette County, Iowa)
Relocated 1956
Pony truss bridge over Otter Creek on 45th Street
Open to traffic

Otter Creek Bridge CR 1300N (Clay County, Indiana)
Built c 1898
Lost Pratt pony truss bridge over Otter Creek on CR 1300 N
Replaced by a new bridge

Otter Creek CR 139 Bridge (Monroe County, Missouri)
Built ca. 1920
Pony truss bridge over Otter Creek on CR 139
Open to traffic

Otter Creek Rail Road Bridge (Jennings County, Indiana)
Built 1890's
Pratt deck truss bridge over Otter Creek on Madison Railroad
Replaced by a new bridge

Otto Road Bridge (Fulton County, Illinois)
Pony truss bridge over Otter Creek on Otto Road (1250E)
Open to traffic

Ottumwa Wabash Bridge (Wapello County, Iowa)
Built 1888, North span of the bridge collapsed February 13, 1973; Converted into a pedestrian bridge 2007
Through truss pedestrian bridge over Des Moines River on former Wabash RR in Ottumwa
Open to pedestrians/bicycles

Ouachita River CR 74 Bridge (Polk County, Arkansas)
Built 1914; replaced 2001
Lost pony truss bridge over Ouachita River on CR 74
Replaced by a new bridge

Ouachita River CR 76 Bridge (Polk County, Arkansas)
Built 1914
Pony truss bridge over Ouachita River on CR 76 (Old US 71)
Open to one-lane traffic

Outlet Ditch CR 253 Bridge (Hancock County, Ohio)
Built by the Smith Bridge Co.
Pony truss bridge over Outlet Ditch on CR 253
Replaced by a new bridge

Outlet Ditch T-245 Pony Truss (Hancock County, Ohio)
Pratt pony truss bridge over Outlet Ditch on Abandoned Section of T-245
Abandoned

Outlet Ditch TR 251 Bridge (Hancock County, Ohio)
Pony truss bridge over Outlet Ditch on TR 251
Open to traffic

Overall Bridge (Page County, Virginia)
Built 1938; Bypassed by new bridge in 2008
Pratt deck arch truss bridge over Overall Run on former US 340
Derelict/abandoned

Overhead Bridge (Ripley County, Indiana)
Built 1906
Lost Pratt through truss bridge over Penn-Central Railroad on Main Street (SR 229)
Road level crossing built on a new alignment and old bridge removed.

Overseas Highway - Bahia Honda Bridge (Monroe County, Florida)
(Main design: Parker through truss)
Built 1912, converted to highway use in 1938; Abandoned 1972.
Railroad through truss bridge over Bahia Honda Channel on the former Florida East Coast Railway
Derelict/abandoned

Overton Bridge (Washington County, Indiana)
Built 1885 by the King Bridge Company; rehabilitated 1986; replaced 2002
Dismantled through truss bridge originally over Blue River on Martinsburg Road
Replaced by new bridge,through truss dismantled for reuse, bowstring pony privately owned.

OW - Fish's Eddy Bridge (Old) (Delaware County, New York)
One span collapsed in 1886, One span collapsed via a derailment in 1897, Replaced completely in 1901
Lost Pratt through truss bridge over East Branch Delaware River on New York, Ontario, & Western Railway
Destroyed by collision

Owens Mill Bridge (Cedar County, Missouri)
Built 1906 by the Canton Bridge Co.; replaced 2008
Lost through truss bridge over Bear Creek on CR 1801
No longer exists

Owens Road Bridge (Miami County, Ohio)
Built 1880's; rehabilitated 1958
Through truss bridge over Panther Creek on Owens Road (TR 76)
Open to traffic

Owl Branch Bridge CR 350 S (Putnam County, Indiana)
Built ca. 1990; Replaced 1988
Lost Pratt pony truss bridge over Owl Branch on CR 350 S
No longer exists

OWR&N - Chehalis River Bridge (Grays Harbor County, Washington)
Built 1911
Pratt through truss bridge over Chehalis River on Oregon-Washington Railroad & Navigation Co.
Removed

Oyster Creek CR 597 Bridge (Lewis County, Missouri)
Built ca. 1910
Pony truss bridge over Oyster Creek on CR 597
Open to traffic

Ozaukee Interurban Trail - Cedarburg Bridge (Ozaukee County, Wisconsin)
Built 1907 by Carneige Steel, Used as and interurban rail bridge until 1948, restored and reopened for bike traffic in 2002
Through truss bridge over Cedar Creek on Ozaukee Interurban Trail - Former Electric Interurban Line
Open to pedestrians

P&LE - Chartiers Creek Bridges (Allegheny County, Pennsylvania)
Bridge collapsed 1906
Lost Pratt through truss bridge over Chartiers Creek on Pittsburgh & Lake Erie Railroad
Collapsed

P. M. Bridge (Mason County, Michigan)
Lost Pratt through truss bridge over Little River on Main Street
Replaced by a new bridge

Pa Fork of Fish Creek Bridge (Marshall County, West Virginia)
Built 1924; Demolished 2011
Through truss bridge over Pa Fork of Fish Creek on US 250
Replaced by a new bridge

PA381 Youghioogheny River Bridge (Old) (Fayette County, Pennsylvania)
Replaced 1975
Lost Pratt through truss bridge over Youghioogheny River on PA 381
Replaced by a new bridge

Pacheco Creek Bridge (Santa Clara County, California)
Built 1915, Replaced 1986
Lost Pratt through truss bridge over Pacheco Creek on San Felipe Road
Replaced by new bridge

Paint Creek Bridge (Greene County, Tennessee)
Built 1935; rehabilitated 1983
Through truss bridge over Paint Creek on Paint Creek Road


Paint Creek Bridge (Carroll County, Indiana)
Built 1887
Pony truss bridge over Paint Creek on Meridian Road at 420N
Removed

Paint Creek Bridge (Greene County, Tennessee)
Built 1935; rehabilitated 1980
Lost pony truss bridge over Paint Creek on Paint Creek Road
Replaced by a new bridge

Paint Creek CR 83/3 (Middle Patch Rd.) Bridge (Kanawha County, West Virginia)
Built 1921
Through truss bridge over Paint Creek on CR 83/3 (Middle Patch Rd.)
Open to traffic

Paint Rock Creek Bridge (Roane County, Tennessee)
Built 1898, replaced 1985
Lost Bedstead Pratt pony truss bridge over Paint Rock Creek on Weaver Road
Replaced by new bridge

Paint Township Cemetery Bridge (Madison County, Ohio)
Pratt pony truss bridge over Walnut Creek on the Paint Township Cemetery driveway
Open to traffic

Painted Rock Road Bridge (Storey County, Nevada)
Built 1902
Pratt through truss bridge over Truckee River on Painted Rock Road
Open to traffic

PAL - Massac Creek Bridge (McCracken County, Kentucky)
Pratt through truss bridge over Massac Creek on the Paducah and Louisville Railroad
Open to traffic

PAL - Salt River Bridge (Jefferson County, Kentucky)
Three-span Pratt through truss bridge over Salt River on the P&L Railroad
Open to traffic

PAL - Valley Creek Bridge (Hardin County, Kentucky)
Pratt through truss bridge over Valley Creek on old Elizabethtown & Paducah Railroad
Open to traffic

Palisades Bridge (Minnehaha County, South Dakota)
Built 1908 by the Western Bridge & Construction Co.; rehabilitated 1940
Through truss bridge over Split Rock Creek in Palisades State Park
Open to one-lane traffic

Palisado Avenue Bridge (old) (Hartford County, Connecticut)
Built 1916, rehabilitated 1942, replaced 1987
Lost Pratt through truss bridge over Farmington River on Palisado Avenue
Replaced by a new bridge

Pancake-Clarkson Rd. Bridge (Columbiana County, Ohio)
Built ca. 1890 by the Penn Bridge Co.; rehabilitated 1960
Through truss bridge over North Fork Little Beaver on Pancake-Clarkson Rd. 1031
Open to traffic

Panther Creek Bridge (Hancock County, Illinois)
Built 1895
Pony truss bridge over Panther Creek on E CR800 Rd, 2.7 mi. southwest of St Mary
Derelict/abandoned

Panther Creek KY 81 Bridge (Daviess County, Kentucky)
Built 1934
Through truss bridge over Panther Creek on KY 81
Open to traffic

Pape Bridge (St. Clair County, Missouri)
Built 1911 by the Standard Bridge Co.
Through truss bridge over Little Clear Creek on CR SW 400
Closed to all traffic

Paper Mill Footbridge (Oxford County, Maine)
Built 1931
Pratt through truss bridge over Androscoggin River on Footbridge Lane
Open to pedestrians only

Papinville Bridge (Bates County, Missouri)
Built 1884 by the Kansas City Bridge & Iron Co.; bypassed by new bridge in 1996
Through truss bridge over Marais des Cygnes River just west of Papinville
Open to pedestrians only

Paradise Road Bridge (Clay County, Missouri)
Built 1896 by the Missouri Valley Bridge & Iron Works of St. Louis; demolished 1979 with the creation of Smithville Reservoir
Lost through truss over Little Platte River near Paradise
Removed

Paris Truss Bridge (Monroe County, Missouri)
Lost through truss bridge over Middle Fork Salt River on MO 15 (Old US 24) at Paris
Replaced by a modern bridge in 1985

Parish Hill Rd Thru Truss Bridge (Windham County, Vermont)
Built 1939 by American Bridge Co.; rehabilitated 1997
Through truss bridge over Rock River on Parish Hill Rd. in Newfane
Open to traffic

Parish Road Bridge (Berkshire County, Massachusetts)
Relocated here 1928
Pony truss bridge over Trout Brook on Parish Road in Peru
Bridge is closed to all traffic

Park Road Bridge (Santa Barbara County, California)
Built 1909
Pratt Through truss bridge over Gaviota Creek on Park Road
Open to traffic

Park Road Bridge (Older) (Johnson County, Iowa)
Built ?; Replaced 1908
Lost Truss bridge over Iowa River on Park Road
Replaced by new bridge

Park Street Bridge (Morton County, North Dakota)
Built 1916; rehabilitated 1973
Pony truss bridge over Little Knife River on Park Street in Hebron
Open to traffic

Parkhill Park Bridge (Cooke County, Texas)
Built 1893 over Sandy Creek on CR 489; relocated to Callisburg in 2004
Relocated through truss bridge over a branch of Timber Creek at Parkhill Park in Callisburg
Open to pedestrians only

Parrish Hill Bridge (Jackson County, West Virginia)
Built 1911 by the Canton Bridge Co.
Through truss bridge over Little Mill Creek on CR 5/18
Open to traffic

Parrish Road Bridge (Ashtabula County, Ohio)
Pratt through truss bridge over Conneaut Creek on abandoned portion of Parrish Rd
Deck removed

Parsley's Bridge (Fillmore County, Minnesota)
Lost Pratt through truss bridge over Root River
Demolished

Pass Branch CR 424 Bridge (Saline County, Missouri)
Built 1913, probably by the Kansas City Bridge Co.
Pony truss bridge over Pass Branch on CR 424
Open, posted at 6 tons

Passaic River Bridge at Hanover, NJ (Morris County, New Jersey)
Lost Pratt through truss bridge over Passaic River
No longer exists

Passumpsic River Bridge (Caledonia County, Vermont)
Built 1928 by the Berlin Construction Co.; rehabilitated 1962
Pratt through truss bridge over Passumpsic River on Comerford Dam Rd (TR 3/FAS 220) in Barnet
Open to traffic

Patoka River Bridge (Pike County, Indiana)
Built ca. 1930; replaced 1999
Lost through truss bridge over Patoka River on CR 550 S
Replaced by new bridge

Patoka River Bridge CR 350 E (Pike County, Indiana)
Built 1915; rehabilitated 1990; Replaced 2016
Through truss bridge over Patoka River on CR 350 East
replaced by another bridge

Patoka River Bridge CR 450 N (Dubois County, Indiana)
Built ca. 1890; replaced 1996
Lost through truss bridge over Patoka River on CR 450 N
Replaced by new bridge

Patoka River Bridge CR 800 W (Dubois County, Indiana)
Built 1898; replaced 1992
Lost through truss bridge over Patoka River on CR 800 W
Replaced by new bridge

Patoka River CR 700S Bridge (Orange County, Indiana)
Through truss bridge over Patoka River on CR 700 South
Open to traffic

Patoka River CR175W Bridge (Orange County, Indiana)
Originally consisted of a through truss span built in 1887, with a pony truss added ca. 1915. The through truss was replaced in 1985.
Pony truss bridge over Patoka River on CR 175W
Open to traffic

Patterson Bridge (Monroe County, Missouri)
Built 1913 by the Decatur Bridge Co.
Pony truss bridge over Crooked Creek on CR 255
Open to traffic

Patterson Creek Bridge (Whitley County, Kentucky)
Built 1947
Pony truss bridge over Patterson Creek on Verne Road
Open to traffic

Patterson Hill Road Bridge (Merrimack County, New Hampshire)
Built 1915 by Groton Bridge Co.; rehabilitated 2001
Through truss bridge over Contoocook River on Patterson Hill Road in Henniker
Open to traffic

Patuxent River Bridge near Scaggsville MD (Howard County, Maryland)
Built in 1883 by Pittsburgh Bridge Company. Replaced by Rt 29 Bridge 1952
Pratt through truss bridge over Patuxent River on Columbia Turnpike
Demolished

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

Paw Paw Run Private Bridge (De Kalb County, Illinois)
Through truss bridge over Paw Paw Run on Private Drive


Paxton Run Bridge (Franklin County, Pennsylvania)
Built 1897; rehabilitated 1921
Cast iron truss bridge over Paxton Run on Mowersville Road
Demolished.

Payne Road Bridge (Hunterdon County, New Jersey)
Built 1899
Pony truss bridge over Prescott Brook on Payne Road
Open to traffic

Paynes Mill Bridge (Woodford County, Kentucky)
Built 1900 by the Brackett Bridge Company of Cincinnati
Pony truss on slab bridge over South Elkhorn Creek on Paynes Mill Road
Replaced with a concrete slab and trusses then attached

PC - Connellsville Bridge (Fayette County, Pennsylvania)
Lost Pratt through truss bridge over Youghiogheny River on Pennsylvania Railroad
Removed

PC - Conococheague Creek Bridge (Franklin County, Pennsylvania)
Most likley this bridge (first built around 1870-1873) was built in 1896 as CVRR replaced all iron bridges with second-hand steel.
Abandoned pratt through truss bridge over Conococheague Creek on former Southern Pennsylvania Iron & Railroad Company
Abandoned

PC - Duck Creek Bridge (Washington County, Ohio)
Abandoned in 1976
Pratt through truss bridge over Duck Creek on Abandoned Penn Central Railroad
Abandoned

PC - Williamson Bridge (Franklin County, Pennsylvania)
This iron truss replaced a trestle.
Abandoned Through truss bridge over Back Creek on former Southern Pennsylvania Iron & Railroad Company
Abandoned

PC&Y - Chartiers Creek Bridge (Allegheny County, Pennsylvania)
Built c1920s, railroad abandoned c1960s
Abandoned pratt through truss bridge over Chartiers Creek on PC&Y RR
Derelict/abandoned

PCC - South Fork Palouse River Bridge (Whitman County, Washington)
Built 1899
Pratt through truss bridge over South Fork Palouse River on Palouse River & Coulee City Railroad
Open to traffic

PCC - South Fork Palouse River Bridge (Whitman County, Washington)
Pratt through truss bridge over South Fork Palouse River on Palouse River & Coulee City Railroad
Open to traffic

PCC - South Fork Palouse River Bridge (Whitman County, Washington)
Built 1899 by the Oregon Railroad & Navigation Co. (OR&N)
Pratt through truss bridge over South Fork Palouse River on Palouse River & Coulee City Railroad
Open to traffic

PCC - Touchet River Bridge (Columbia County, Washington)
Pratt through truss bridge over Touchet River on Palouse River and Coulee City Railroad (PCC)
Open to traffic