There are 8,008 bridges in this category · Only showing 5,935 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.


Black Bridge (Saginaw County, Michigan)
Built 1907; Replaced 1982; Relocated 1982
Relocated Pratt through truss bridge over Dead Creek at Grandpa's Tiny Farm near Frankenmuth
Originally built over Cass River on Dehmel Road; relocated in 1982

Black Bridge (Tama County, Iowa)
Built 1914; rehabilitated 1972
Through truss bridge over Iowa River on 360th Street
Open to traffic

Black Bridge (Mesa County, Colorado)
Built 1891 by the Kansas City Bridge Co.; damaged by flooding in 1983
Lost through truss bridge over Gunnison River on CR 25.30
Lost

Black Bridge (Greene County, New York)
Built 1882 to serve foot traffic and the Canajoharie & Catskill Railroad, Railroad service ended 1918.
Pratt through truss bridge over Catskill Creek on Pedestrian Walkway
Closed

Black Bridge (Lee County, Texas)
Built 1912 over railroad in Dime Box
Pratt through truss bridge
In storage

Black Creek Bridge (Greene County, Indiana)
Built ca. 1890
Through truss bridge over Black Creek on CR 1450 West
Open to traffic

Black Creek Bridge (Huntington County, Indiana)
Built ca.1895 by the Champion Bridge Co., replacement bridge built on new alignment and old bridge abandoned.
Lost Pratt pony truss bridge over Black Creek on Old alignment of CR150E
Bridge is gone as visual inspection on 05/19/16

Black Creek Bridge (Allegany County, New York)
Pony truss bridge over Black Creek on Private Road?
Open to traffic

Black Creek CR 100N Bridge (Montgomery County, Indiana)
Lost pony truss bridge over Black Creek on County Road 100 North
Heavily damaged by flooding in 1996 and later removed.

Black Creek CR 450N Bridge (Grant County, Indiana)
Replaced 1989
Lost Pratt pony truss bridge over Black Creek on Road 450 North
Replaced by new bridge

Black Creek CR 474 Bridge (Shelby County, Missouri)
Built ca. 1910
Pony truss bridge over Black Creek on CR 474
Open to traffic

Black Creek CR 478 Bridge (Shelby County, Missouri)
Built ca. 1910
Pony truss bridge over Black Creek on CR 478
Open to traffic

Black Creek Prairie Branch CR 300N Bridge (Grant County, Indiana)
Pratt Pony Truss, Replaced 1990
Lost Pratt pony truss bridge over Black Creek on Rd 300 N
Replaced by new bridge

Black Creek-Branch CR 300N Bridge (Montgomery County, Indiana)
Built ca. 1900
Lost Pratt pony truss bridge over Branch of Black Creek on County Road 300 North
Replaced by a new bridge

Black Fork Creek Bridge (Le Flore County, Oklahoma)
Built 1922, Replaced 2012
Through truss bridge over Black Fork Creek on 4034C
Replaced by new bridge

Black Fork Mohican River Bridge (Richland County, Ohio)
Abandoned Pratt through truss bridge over Black Fork Mohican River
Abandoned

Black Fork River KCS Bridge (north) (Le Flore County, Oklahoma)
2 span through truss bridge over Black Fork River on Kansas City Southern Railway in Hodgen
Open to traffic

Black Hawk Creek Bridge (Grundy County, Iowa)
Replaced 1931
Lost Pratt through truss bridge over Black Hawk Creek on Road
Replaced by a new bridge

Black Hawk Creek Bridge (Black Hawk County, Iowa)
(Main design: Pratt through truss)
Lost Pratt through truss bridge over Black Hawk Creek on Road
Replaced by a new bridge

Black Hollow Coal Company Bridge (LaSalle County, Illinois)
(Main design: Pratt through truss)
Lost Pratt through truss bridge over Vermillion River on Abandoned Black Hollow Coal Company mining railroad
Lost

Black River, Branch-Country Cross Rd. Bridge (Posey County, Indiana)
Built ca.1895; replaced 1999
Lost pony truss bridge over a branch of Black River on Country Cross Road (CR 900E)
Replaced by new bridge

Black River-Eastville Rd. Bridge (Posey County, Indiana)
Built 1899
Two-span pony truss bridge over Black River on Eastville Road
Open to traffic

Black River-Pumpkin Run Rd. Bridge (Posey County, Indiana)
Built ca. 1910; replaced 1996
Lost pony truss bridge over Black River on Pumpkin Run Road(CR 500E)
Replaced by new bridge

Black Vermillion River Bridge (Marshall County, Kansas)
Built 1908
Through truss bridge over Black Vermillion River, 1.5 mi. east of Frankfort
Open to traffic

Black Vermillion River Bridge (Marshall County, Kansas)
Abandoned pratt through truss bridge over Black Vermillion River on Wildcat Road (Abandoned)
Derelict/abandoned

Black Vermillion River Bridge (Marshall County, Kansas)
Built ca. 1910
Pony truss bridge over Black Vermillion River, 0.5 mi. north and 1.5 mi. east of Vliets
Open to traffic

Black Vermillion River Minor 24.1-U.0 Bridge (Marshall County, Kansas)
Built ca. 1910
Through truss bridge over Black Vermillion River on Tumbleweed Road, 1.5 mi. west of Vliets
Open to traffic

Black's Ford Bridge (Boone County, Missouri)
Built 1911 by the Missouri Bridge & Iron Co.; closed to pedestrian use Oct. 2014, demolished 2015
Lost through truss bridge over Hinkson Creek on Rock Quarry Road in Columbia
Replaced by a new bridge

Black's Mill Bridge (Delaware County, Indiana)
Built 1925; rehabilitated 1979
Two-span pony truss bridge over Mississinewa River on CR 700 North
Bridge dismantled and stored for reuse, new bridge built at site.

Blackfoot River Bridge (Missoula County, Montana)
Built 1907
Through truss bridge over Blackfoot River on CR L1730
Open to traffic

Blackford Bridge (Russell County, Virginia)
Built 1889 by the Groton Bridge Co..; Moved 4.3 miles to current location in 1946; Bypassed and closed in 2009
Through truss bridge over Clinch River on former Chestnut Road (Route 652)
Bypassed and closed to traffic

Blackford Bridge (Kossuth County, Iowa)
Replaced ca 1942
Lost Pratt through truss bridge over Des Moines River on McGregor Street
Replaced by a new bridge

Blackford Creek Bridge (Daviess County, Kentucky)
Built 1884
Through truss bridge over Blackford Creek on Ray Road
Replaced by a new bridge

Blackford Creek Bridge (Hancock County, Kentucky)
Built ca. 1920
Pony truss bridge over Blackford Creek on Toler Bridge Road
Open to traffic

Blackhawk Bridge (East Channel) (Wapello County, Iowa)
Built 1935; rehabilitated 1974; lost 2011
Through truss bridge over Des Moines River on Blackhawk Street in Ottumwa
Demolished

Blackhawk Bridge (West Channel) (Wapello County, Iowa)
Built 1898; Removed as part of project to relocate river channel in 1950s or 1960s.
Lost Through truss bridge over Des Moines River on Blackhawk Road
Demolished

Blackiston Mill Bridge (Floyd County, Indiana)
Built 1888 by Canton Bridge Co., collapsed 1963 under a concrete mixer, (Bridge was under repair at the time)
Lost Through truss bridge over Silver Creek on Blackiston Mill Road
Lost

Blacks Mill Road Bridge (Frederick County, Maryland)
Built 1914; rehabilitated 1995
Pony truss bridge over Hunting Creek on Blacks Mill Road
Open to traffic

Blackwater Old US 65 Bridge (Saline County, Missouri)
Built 1924
Two-span through truss over Blackwater River on CR 339 (formerly US 65)
Open to traffic

Blackwater River Bridge (Franklin County, Virginia)
Built 1915
Pony truss bridge over Blackwater River on Coles Creek Road (Route 643)
Open to traffic

Blackwater River Bridge (Tucker County, West Virginia)
Built 1933
Lost through truss bridge over Blackwater River on WV 32
Bridge has been replaced.

Blackwater River CR 335 Bridge (Saline County, Missouri)
Lost through truss bridge over Blackwater River on CR 335, just south of I-70
No longer exists

Blackwell Bridge (St. Francois County, Missouri)
Built 1930-31; replaced 2004
Lost three-span through truss bridge over Big River at Blackwell just beyond the end of Route CC
Removed to make way for replacement bridge; east abutment remains

Blackwell Bridge (Elbert County, Georgia)
Was originally on County Road 244, relocated to state park in 1984
Pratt through truss bridge over inlet of Richard B. Russell Lake on Blackwell Bridge Trail
Open to pedestrians

Blaine Spring Creek Bridge (Madison County, Montana)
Built 1897
Through truss bridge over Blaine Spring Creek on MT 249
Open to traffic

Blaine's Crossing (Linn County, Iowa)
Built around 1910, made obsolete when the Hwy. 151 bypass bridge was built in 1965, later abandoned
Abandoned pratt through truss bridge over Big Creek on Abandoned road (formerly US 151)
Abandoned

Blanchard Bridge (Traill County, North Dakota)
Built 1900; Removed 2007
Pratt through truss bridge on old alignment of 5th Street over Elm River
Removed but not replaced; Lally columns remain

Blanchard River Covered Bridge 35-32-21 (Hancock County, Ohio)
Built 2009
Pratt through truss bridge over Blanchard River on Township Hwy 241


Blanket Creek Bridge (Mills County, Texas)
Built 1912
Pony truss bridge over Blanket Creek on CR 550
Closed to all traffic

Blarsden Graeagle Road Bridge (Plumas County, California)
Built 1902, Major Repairs From Fire Damage In 1916, Repaired 1935, 1933, and 1965
Through truss bridge over Middle Fork Feather River on Blarsden Graeagle Road in Mohawk Vista
Open to traffic

Blenheim Road Bridge (Albemarle County, Virginia)
Built 1907
Pratt Pony truss bridge over Hardware River on Blenheim Road
Replaced by a new bridge

Blenkiron Bridge (Jackson County, Minnesota)
Built in 1915 by Joliet Bridge Company. Replaced by steel trestle bridge in 1975.
Pratt through truss bridge over Heron Lake Outlet on CR 86 (440th Street) at Jackson/Cottonwood Co. Border


Blevens Creek Bridge (Cullman County, Alabama)
Built or relocated here 1939
Pratt through truss bridge over Blevens Creek on Co Rd 1036
Closed due to possible flood damage

Blevins Bridge (Carter County, Tennessee)
Built in 1889 in another location, relocated here to replace a flood-damaged Howe truss railroad bridge by the East Tennessee & Western North Carolina Railroad Company on Tweetsie Line, now a county road
Pin-connected Pratt through truss bridge over Doe River on Old Tweetsie Railroad
Open to single-lane traffic

Bliss Road Bridge (Allen County, Ohio)
Built 1908 by the Home Engineering & Contracting Co.; rehabilitated 1988; replaced 2011
Lost through Pratt truss bridge over Auglaize River on Bliss Road (TR 63)
Lost

Blockton Bridge (Taylor County, Iowa)
Lost Bedstead Pratt pony truss bridge over Platte River on Road
Replaced by a new bridge

Blome Road Bridge (Hamilton County, Ohio)
Built 1888 by the Queen City Bridge Co.; rehabilitated 1990
Through truss bridge on Blome Road in The Village of Indian Hill
Open to one-lane traffic

Blood Run Bridge (Humboldt County, Iowa)
Built 1901 by the Marshalltown Bridge & Iron Works; destroyed 2003 in car accident
Lost through truss bridge over Blood Run Creek on Oak Avenue north of Livermore
Destroyed by collision; road later abandoned

Blood Run Creek Bridge (Lyon County, Iowa)
Built 1918
Pony truss bridge over Blood Run Creek on Buchanan Ave.
Open to traffic

Bloomfield-Nulhegan River Route 102 Bridge (Essex County, Vermont)
Built 1937
Through truss bridge over Nulhegan River on VT 102 in Bloomfield
Open to traffic

Bloomsbury Bridge (Hunterdon County, New Jersey)
Built 1892, reconstructed 1995
Pratt through truss bridge over Musconetcong River on CR 579 (aka Church Street)
Open to traffic

Blue Bridge (Barbour County, West Virginia)
Built 1886
Through Truss bridge over Elk Creek on County Route 57/15
Open to traffic

Blue Bridge (Kent County, Michigan)
Built 1892
Pratt through truss bridge over Grand River on formerly the Grand Rapids and Indiana Railroad, currently, a pedestrian path
Open to pedestrians

Blue Bridge (Huron County, Ohio)
Built 1882; rehabilitated 1996
Pratt through truss bridge over W Br Huron River on Lamereaux Rd.
Open to traffic

Blue Creek Bridge (Wagoner County, Oklahoma)
Built 1929
Bedstead pony truss bridge over Blue Creek on N4210
Abandoned, with road removed.

Blue Creek TR 57 Bridge (Paulding County, Ohio)
Built 1905
Pony truss bridge over Blue Creek on Township Road 57
Open to traffic

Blue Lick Creek Alex Biggs Road (Clark County, Indiana)
Built ca. 1905; Replaced 1990
Lost Pratt pony truss bridge over Blue Lick Creek on Alex Biggs Road, CR 50
Replaced by a new bridge

Blue Lick Creek Bridge (Bullitt County, Kentucky)
Abandoned pony truss bridge over Bluelick Creek on an abandoned alignment of Preston Hwy
Derelict/abandoned

Blue Mountain Lake Spillway Bridge (Yell County, Arkansas)
Built 1947
Pony truss bridge over Overflow Spillway on Corp of Engineers project road in Waveland
Open to traffic

Blue River Bridge (Bryan County, Oklahoma)
Built in 1921 with Federal Aid Project funding
Pratt through truss bridge over Blue River on old US Highway 70
Open to traffic

Blue River-Big Springs Road Bridge (Washington County, Indiana)
Built ca.1895; replaced 1996
Lost through truss bridge over South Fork Blue River on Big Springs Road
Replaced by new bridge

Bluff Canal Bridge (Adams County, Illinois)
Unknown
Abandoned pony truss bridge over Bluff Canal on Abandoned Road
Derelict/abandoned

Bluff Canal Bridge (Adams County, Illinois)
Pony truss bridge over Bluff Canal on Private Drive (CR2923rd Ln)
Open

Bluff Canal Bridge TR 9 (Adams County, Illinois)
Built 1905
Pony truss bridge over Bluff Canal on CR N2900th, 2.0 mi. west of Lima
Closed; 3 feet of each each has been peeled back; blocked off.

Bluff Hall Bridge (Adams County, Illinois)
Built 1905; made obsolete by new bridge in 1941
Pony truss bridge over Harkness Creek at Bluff Hall just off IL 57
Bridge Removed and Replaced with Concrete Culvert.

Blythe Bridge (Riverside County, California)
Truss bridge in same location of current highway bridge
Lost Pratt through truss bridge over Colorado River on/near current location of US Hwy 10
Replaced by new bridge

BM - Green River Bridge (Franklin County, Massachusetts)
Built 1876
Lost Pratt deck truss bridge over Green River on Boston & Maine Railroad
Replaced by a new bridge

BM - Hillsborough Covered Bridge (Hillsborough County, New Hampshire)
(Main design: Town lattice truss)
Built 1903; Pier washed out 1938; Abandoned 1979; Destroyed 1985.
Lost Town lattice truss bridge over Contoocook River on Boston & Maine RR
Destroyed by arsonists in 1985

BM - Merrimack River Bridge (Essex County, Massachusetts)
Built 1888
Pratt deck truss bridge over Merrimack River on Boston & Maine RR
Derelict/abandoned

BM&NW - Iowa River Bridge (Louisa County, Iowa)
Built 1898; Abandoned and likley removed 1927
Lost Pratt through truss bridge over Iowa River on Muscatine, Burlington, & Southern Railroad
Removed, substructure encased in concrete for a road bridge's substructure.

BN - 15th Street Bridge (Pierce County, Washington)
Built 1914; Abandoned 1973 due to damage from an erroneously routed Boeing load, likely removed shortly thereafter.
Lost Pratt through truss bridge over Foss Waterway on Burlington Northern Railroad
Removed but not replaced

BN - Alton Bridge (Madison County, Illinois)
Built 1892-94 under the direction of George S. Morison. Railroad line abandoned in 1988.
Lost through truss swing bridge over the Mississippi River on the Burlington Northern Railroad at Alton
Removed after the railroad line was abandoned

BN - Phillipsburg Branch Clark Fork Bridge (Granite County, Montana)
Through truss bridge over Clark Fork on BN/NP Phillipsburg Branch
Intact but closed to all traffic

BNSF - Atchison Swing Bridge (Atchison County, Kansas)
(Main design: Pratt through truss)
Built 1900
Through truss swing bridge over the Missouri River on the BNSF Railway at Atchison
Open to traffic

BNSF - Big Horn River Bridge (Big Horn County, Montana)
Pratt through truss bridge over Big Horn River on Burlington Northern and Santa Fe Railway


BNSF - Big Sioux River Bridge (Woodbury County, Iowa)
Built 1900; Relocated Here 1907; Approaches Added 1930
Through truss bridge over Big Sioux River on BNSF Railway
Open to traffic

BNSF - Black Bear Creek Bridge (Pawnee County, Oklahoma)
Pin-connected through truss bridge over Black Bear Creek on BNSF Railway in Pawnee
Replaced by a new bridge

BNSF - Black Bridge (Dawson County, Montana)
Pratt through truss bridge over Yellowstone River on BNSF Railroad
Open to traffic

BNSF - Brazeau Creek Bridge (Perry County, Missouri)
This railroad line was completed in 1904, although I don't know if this particular bridge is that old or not
Through truss bridge over Brazeau Creek at Wittenberg on the Burlington Northern Santa Fe Railway
Still in use

BNSF - Canal Street Lift Bridge (Cook County, Illinois)
Built 1915
Pratt through truss bridge over South Branch of Chicago River on BNSF Railway
Open to traffic

BNSF - Celilo Bridge (Wasco County, Oregon)
Built 1912
Vertical lift bridge over Columbia River on Oregon Trunk Railroad Line in Celilo, OR and Wishram, WA
Open to traffic

BNSF - Cherry Creek Bridge (Denver County, Colorado)
Through truss bridge over Cherry Creek on Burlington Northern Santa Fe Railroad
Open to traffic

BNSF - Chicago Sanitary & Ship Canal Swing Bridge (Cook County, Illinois)
Built 1898-1900 to Chicago Sanitary Commission design for Illinois Northern RR
Pratt through truss bridge over Sanitary and Ship Canal on BNSF (former Illinois Central RR)
Open to traffic

BNSF - Chicago Sanitary and Ship Canal Bridge (Lamont) (Cook County, Illinois)
Built 1898
Swing through truss bridge over Chicago Sanitary and Ship Canal on BNSF Railroad in Lemont
Open to traffic

BNSF - Columbia Slough Bridge (Multnomah County, Oregon)
Built 1908
Pratt through truss bridge over Columbia Slough on BNSF Railway in Portland
Open to traffic

BNSF - Crooked River Bridge (Ray County, Missouri)
Built 1910
Pratt Through truss bridge over Crooked River on BNSF Railway
Open to traffic

BNSF - Cuivre River Bridge (Lincoln County, Missouri)
Three-span through truss bridge over Cuivre River on the BNSF Railway at Old Monroe
Open to railroad traffic

BNSF - Des Moines River Bridge (S) (Lee County, Iowa)
Built 1903
Through truss bridge over Des Moines River on BNSF Railway
Open to traffic

BNSF - Diversion Channel Bridge (Cape Girardeau County, Missouri)
(Main design: Warren through truss)
Built ca. 1928, replacing an earlier through truss bridge that had collapsed
Two-span through truss bridge over the Diversion Channel on the BNSF Railway southwest of Cape Girardeau
Open to traffic on the active BNSF St. Louis-Memphis railroad line

BNSF - Elsberry Bridge (Lincoln County, Missouri)
Built 1902
Through truss bridge over Lost Creek on the BNSF Railway at Elsberry
Open to railroad traffic