There are 8,355 bridges in this category · Only showing 6,325 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.

Old North Park Steet Bridge (Kent County, Michigan)
Built 1904 as part of a five span bridge (North Park Bridge) over the Grand River, N.P.B. closed and was replaced in 1988, however, one span was saved and relocated to current location
Pratt through truss bridge over a pond on a pedestrian path in Riverside Park
Open to pedestrians

Old Ohio 123 Bridge (Warren County, Ohio)
Built in 1880 by the Kellogg and Maurice Bridge Co.
Pratt through truss bridge over Abandoned Pennsylvania Railroad Grade on Old Ohio 123
Intact but closed to all traffic

Old PA281 Youghiogheny River Bridge (Somerset County, Pennsylvania)
Built 1896, load-bearing girders added 1948, trusses removed from girders 1998
Lost Pratt through truss bridge over Youghiogheny River on PA 281
Removed but not replaced

Old Park Road Kokomo Creek bridge (Howard County, Indiana)
Park Road today has a bridge West of here over Kokomo Creek, but in the early 20th Century it travelled down a different alignment and over this structure. When nearby steel mill expanded, old road was used for back entrance into plant.
Lost Bedstead Pratt pony truss bridge over Kokomo Creek on Former alignment of Park Road and later used as South gate entrance for former Continental Steel plant.
Lost

Old Pearl Street Bridge (McHenry County, Illinois)
Built 1881 over Fox River on Pearl Street in McHenry IL, relocated to Terra Cotta Industries Nov. 1976, two of three original sections in storage
Through truss bridge over a branch of Fox River on Pedestrian path
Open to pedestrians only

Old Pine Street Bridge (Niagara County, New York)
Replaced 1901
Lost Pratt deck truss bridge over Erie Canal on Pine Street
Replaced by a new bridge

Old Pinnacle Road Bridge (Cheatham County, Tennessee)
The Nashville, Chattanooga and St. Louis Railroad installed the two truss spans in 1898 and the Virginia Bridge and Iron Co. fabricated the plate girder in 1911. In 1922 the County acquired the bridge for a roadway.
Through truss bridge over Harpeth River in Kingston Springs
Closed to all traffic

Old Plattsmouth Railroad Bridge (Cass County, Nebraska)
(Main design: Whipple through truss)
Built 1880 under the direction of George S. Morison; replaced 1903
Lost Whipple through truss bridge over Missouri River
Replaced by new bridge

Old Pocahontas Bridge (Randolph County, Arkansas)
Replaced by new through truss bridge in 1934
Lost swing through truss bridge over Black River on Old US 67
No longer exists

Old Rainbow Lake Bridge (Spartanburg County, South Carolina)
Abandoned pratt through truss bridge over Rainbow Lake on Rainbow Lake Road
Abandoned

Old Rankin Bridge (Cocke County, Tennessee)
6 span Pratt through truss design bridge over French Broad River on Rankin Road
Closed to all traffic

Old Revilee Creek Bridge (Logan County, Arkansas)
Pony Truss bridge over Revilee Creek on hwy. 10 replaced by Concrete Tee Beam Bridge in 1930
Lost Pony truss bridge over Reville Creek on State Hwy. 10 East
Replaced by new bridge

Old River Bridge (Saline County, Arkansas)
Built 1899 by the Youngstown Bridge Co. of Youngstown, Ohio; closed to traffic in 1974
Two-span through truss bridge over Saline River on the Old Military Road near Benton
Abandoned with portions of deck missing

Old River Bridge (San Joaquin County, California)
(Main design: Howe through truss)
Built 1915; rehabilitated 1978
Swing bridge over Old River on CA 4 in Discovery Bay
Open to traffic

Old River Road Through Truss (Bosque County, Texas)
Built 1915;
Pratt through truss bridge over North Bosque River on Old road alignment
Intact but closed to all traffic

Old Rocky Road Bridge (Jo Daviess County, Illinois)
Through truss bridge over East Fork of Galena River on Abandoned Rocky Road
Derelict/abandoned

Old Rodgers Lane Bridge (Lincoln County, Tennessee)
Pratt pony truss bridge over Walker Creek on Old Rodgers Ln
Open to traffic

Old Rogana Road Bridge (Sumner County, Tennessee)
Lost Pratt through truss bridge over Bledsoe Creek on Old Rogana Road
No longer exists

Old Route 11 Marble River Bridge (Clinton County, New York)
Route 11 re-aligned 1936
Half-hip Pratt pony truss bridge over Marble River on Private Driveway (former alignment of U.S. 11)
Open to pedestrians only

Old Route 61 Wolf Creek Bridge (Bland County, Virginia)
Built 1890 as a railroad bridge; Converted to highway bridge in 1946 when rail line discontinued; closed to vehicular traffic in 1987
Pratt through truss bridge over Wolf Creek on former Route 61
Open to pedestrians

Old Rt. 68 Licking River Bridge (Nicholas County, Kentucky)
Built 1917
2-span Through truss bridge over Licking River on Old US 68
Closed to vehicular traffic, but passable by pedestrians.

Old Spring River Bridge (Lawrence County, Arkansas)
Replaced 1937
Lost Pratt through truss bridge over Spring River & Railroad on US 62
Replaced by new bridge

Old SR 38-Branch Whitewater River Bridge (Wayne County, Indiana)
Lost Pony truss bridge over Unnamed creek
Collapsed

Old Startex Bridge (Spartanburg County, South Carolina)
Abandoned when new adjacent bridge built in 1989.
Abandoned truss bridge over Middle Tyger River
Derelict/abandoned

Old State Road 1-Whitewater River Bridge (Wayne County, Indiana)
Built 1883; replaced in 1965
Lost Pratt through truss over West Fork Whitewater River on State Road 1.
Replaced by a new bridge

Old State Road Bridge (Clinton County, Illinois)
Built ca. 1930
Pony truss bridge over Beaver Creek on Old State Road (TR 109)
Open to one-lane traffic with a 6 ton weight limit

Old State Road Bridge (Essex County, New York)
Built circa 1890; rehabilitated 1975; Closed 2004
Pin connected Pratt pony truss bridge over AuSable River on Old State Road
Closed to all traffic

Old Stewart Creek Bridge (Rutherford County, Tennessee)
Was first iron bridge built in Rutherford County, Orginally crossed Stewarts creek between Murfreesboro and Smyra on the turnpike
Pony truss bridge over lyttle creek on pedestrian trail
Open to pedestrians

Old Stone Fort Bridge (Coffee County, Tennessee)
Built 1906 by the Joliet Bridge Co. at the Dabbs Ford over the Elk River; bridge relocated to present location in 1971, piers rehabilitated 2009
Pratt through truss bridge over Duck River on County Road B-188 (Campground Road) in Manchester
Open to traffic

Old Sublimity Bridge (Laurel County, Kentucky)
Built ca. 1930
Pratt pony truss bridge over Rockcastle River on a pedestrian path
Open to pedestrians

Old Survey Road Through Truss (Cooke County, Texas)
Built 1893; Relocated to Parkhill Park in Callisburg, Texas in 2004
Pratt through truss bridge formerly over Sandy Creek on Survey Road now in park
Replaced by a new bridge and relocated

Old Taylorsville Road Bridge (Jefferson County, Kentucky)
Abandoned pony truss bridge over Pope Lick Run on Old Taylorsville road in Louisville
Abandoned

Old Taylorsville Road Bridge (Jefferson County, Kentucky)
Lost Pratt through truss bridge over Floyd's Fork on Old Taylorsville Rd
Lost

Old Teter Bridge (Furnas County, Nebraska)
Pratt through truss bridge over Medicine Creek on a pedestrian/golf cart trail
Open to pedestrians and golf carts

Old Third Street Bridge (Cass County, Indiana)
Replaced 1917
Lost through truss bridge over Eel River on Third Street in Logansport
Replaced by new bridge

Old Town Bridge #2 (Gallatin County, Montana)
Built 1894; rehabilitated 1984
Through truss bridge over Jefferson River on CR 201
Open to traffic

Old Town Bridge #3 (Gallatin County, Montana)
Built 1894
Through truss bridge over Jefferson River on CR 419
Open to traffic

Old Trackville Road Bridge (Dearborn County, Indiana)
Built ca. 1910
Abandoned pratt pony truss bridge over East Fork Tanners Creek
Abandoned

Old U.S. 64 Brush Creek Bridge (Polk County, Tennessee)
Built on the old 2-lane alignment of U.S. 64, abandoned and left in place when new alignment in 1967 was built higher, 1/4 mile downstream
Abandoned Pratt through truss bridge over Brush Creek on Pre 1967 alignment of US Highway 64
Abandoned

Old US 127 Liberty Bridge (Casey County, Kentucky)
Lost Through truss bridge over Green River on US 127
Replaced by a new bridge

Old US 287 Bridge (Lewis and Clark County, Montana)
Abandoned pratt through truss bridge over Dearborn River on Road
Abandoned

Old US 31 Bridge (Chilton County, Alabama)
Abandoned pratt pony truss bridge on an abandoned alignment of US 31
Abandoned

Old US 33 Bridge (Adams County, Indiana)
Abandoned pratt pony truss bridge over Blue Creek on Old US 33
Derelict/abandoned

Old US 62 Overpass (Tillman County, Oklahoma)
Built 1929; made obsolete by new bridge in 1968
Through truss bridge over BNSF Railroad on E1643/ Old US 62
Intact but closed to all traffic

Old US 66 Gasconade River Bridge (Laclede County, Missouri)
(Main design: Parker through truss)
Built 1922-24
Four-spans - 1 Warren Pony truss, 1 Pratt & 2 Parker through truss bridge over Gasconade River on Old US 66 near Hazelgreen.
Intact but closed to all traffic.

Old US-169 Neosho River Bridge (Neosho County, Kansas)
(Main design: Pratt through truss)
Built ca. 1930
Through truss bridge over Neosho River, 3.13 mi. north of K-39 N. Jct.
Open to traffic

Old US61 Joachim Creek Bridge (Jefferson County, Missouri)
Built 1924; made obsolete by new bridge in 1933; closed to traffic Nov. 21, 2005; main span demolished Dec. 27, 2006; replaced by UCEB in 2007
Lost through truss bridge over Joachim Creek on Joachim Avenue (Old US 61/67) in Herculaneum
Replaced by UCEB

Old Van Patton Bridge (Laurens County, South Carolina)
Abandoned pratt through truss bridge over Enoree River on Old SC 418
Abandoned

Old Vine St. Bridge (Pawnee County, Nebraska)
Built 1925; rehabilitated 1964
Pratt Through truss bridge over Taylor Branch on County Highway
Closed to all traffic

Old Wenatchee Bridge (Chelan County, Washington)
Built 1908; bypassed by new highway bridge in 1950; reopened to pedestrians in 2010
Cantilevered through truss bridge over Columbia River carrying a pedestrian walkway and pipeline
Open to pedestrians

Old Wernle Road Bridge (Wayne County, Indiana)
Unknown
Abandoned Pratt bedstead pony truss over Short Creek on old section of Wernle Road
Derelict/abandoned

Old West Bay Drawbridge (Bay County, Florida)
Built 1945, replaced in 1993 with drawbridge section taken out
Bridge over Sr79 / Icww @ West Bay on Sr-79
Open to pedestrians only

Old Westerville Bridge (Decatur County, Iowa)
Built 1902
Lost Pratt through truss bridge over Thompson River on Road
Bridge collapsed after a car crashed into the side in the late 1970's or early 1980's.

Old Williams Road Bridge (Allegany County, Maryland)
Built 1910; rehabilitated 1977
Pratt pony truss bridge over Town Creek on Old Williams Road
Closed to all traffic

Old Witcher Creek Bridge (Kanawha County, West Virginia)
Pony truss bridge over Witcher Creek on Co. Route 60/21 (old us 60)
Intact but closed to all traffic

Old Woodland Park Bridge (Perry County, Kentucky)
Built 1934
Lost through truss bridge over North Fork Kentucky River on KY 2448 in Hazard
Bridge has been replaced.

Old Woodruff Bridge (Navajo County, Arizona)
Built 1939 with relocated span from a 1918 bridge
Pratt pony truss bridge over Little Colorado River on an old alignment of Woodruff Road
Open to pedestrians

Olentangy River CR 67 R (Morral-Kirkpatrick Rd.) Bridge (Marion County, Ohio)
Built 1876 by the Wrought Iron Bridge Co.
Bypassed through truss bridge over Olentangy River on CR 67R (Morral-Kirkpatrick Rd.)
Bypassed, closed to all traffic

Olentangy River N. Market Street Bridge (Crawford County, Ohio)
Lost pony truss bridge over Olentangy River on N. Market Street in Galion
Replaced by new bridge

Olentangy River N. Union Street Bridge (Crawford County, Ohio)
Lost Pony truss bridge over Olentangy River on N. Union Street in Galion
Replaced by a new bridge

Olex Bridge (Gilliam County, Oregon)
Built ca. 1905
Abandoned pratt pony truss bridge over Rock Creek
Abandoned

Olive Branch Bridge (Vermilion County, Illinois)
Pony truss bridge over Olive Branch on TR 365, 5.5 mi. southwest of Fairmount
Collapsed

Omro Swing Bridge (Winnebago County, Wisconsin)
(Main design: Pratt through truss)
Lost Pratt through truss bridge over Fox River on Road
Replaced by a new bridge

Only Bridge (Hickman County, Tennessee)
(Main design: Pennsylvania through truss)
Built 1907 by the Nashville Bridge Co.; Bypassed by a new bridge in 1962.
Derelict through truss bridge over Duck River on TN 50 near Only
Derelict with deck and approaches removed

Ontario Bridge (Lagrange County, Indiana)
Built ca. 1905
Lost Pratt pony truss bridge over Pigeon River on County Road 225E
Replaced by a new bridge

Opie Road Bridge (Somerset County, New Jersey)
Built 1921
Pony truss bridge over South Branch Raritan River on Opie Road
Open to traffic

Opossum Creek Bridge (Nowata County, Oklahoma)
Built ca. 1930
Through truss bridge over Opossum Creek on Old U.S. 169
Replaced by a new bridge

Orange Blossom Trail - Zanja Bridge (San Bernardino County, California)
Built 1902; Converted ca. 2012
Pratt through truss bridge over The Mission Zanja on Orange Blossom Trail
Open to pedestrians only

Orange Hill Road Bridge (Knox County, Ohio)
Built 1887 by the Mt. Vernon Bridge Co.; rehabilitated 1985; replaced 2006
Pony truss bridge over Ireland Creek on Orange Hill Road (TR 325)
Replaced by a new bridge

Orange Road Bridge (Delaware County, Ohio)
Built 1898 by the Toledo Bridge Co.; rehabilitated 1970
Through truss bridge over Olentangy River on Orange Road (TR 114) in Powell
Closed and bypassed.

Organ Ferry Bridge (Ralls County, Missouri)
Collapsed due to overloaded semi truck/trailer filled with lard. Disaster occurred early evening, Jan 13, 1956 (a Friday). On MO State Hwy V between New London and Hannibal. Two drivers from Tennessee claimed they were lost and tried to cross.
Lost through truss bridge east of New London, MO
No longer exists, although the both bank abutments and some railing can still be seen just below the water.

Orleans Avenue Bridge (Minnehaha County, South Dakota)
Through truss bridge was closed to traffic for many years, posing a safety hazard resulting in the city councils decision to remove it
Lost through truss bridge over Big Sioux River on Orleans Avenue in Dell Rapids
Removed

Orleans Bridge (Polk County, Missouri)
Through truss bridge over Little Sac River on 505th Road, southeast of Aldrich
Closed to all traffic

Orr Road Bridge (Washington County, Arkansas)
Built 1924; rehabilitated 2017
Through truss bridge over Illinois River on Orr Road (CR 67) just off AR 265, southeast of Prairie Grove
Open to traffic with 3 ton limit

Osage Creek Bridge (Benton County, Arkansas)
Built in 1911 by the Missouri Valley Bridge & Iron Company of Leavenworth, Kansas
Through truss bridge over Osage Creek on CR 71 southeast of Healing Springs
Replaced by new bridge

Osage Creek Bridge (Grant County, Oklahoma)
Bypassed by new bridge 1967
Pratt pony truss bridge over Osage Creek on Old US 81
Open to traffic

Osage Prairie Trail - Hominy Creek Bridge (Osage County, Oklahoma)
Pratt through truss bridge over Hominy Creek on Osage Prairie Trail
Open to pedestrians

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

OSL - American Falls Pegram Deck Truss (Power County, Idaho)
(Main design: Pegram deck truss)
Built 1883; Pegram trusses added 1894; Whipple deck truss replaced in 1902; Replaced 1911
Lost Pegram deck truss bridge over American Falls on Oregon Short Line Railroad
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 bridge

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

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