Lost 1975

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Allegheny River Viaduct Junction (McKean County, Pennsylvania)
Built 1928; Replaced 1975
Lost Warren deck truss bridge over Allegheny River on PA 346
Replaced by a new bridge

Atherton Avenue Bridge (Allegheny County, Pennsylvania)
Built 1912; replaced 1975
Lost Open-spandrel arch bridge over Pittsburgh Junction Railroad on Atherton Avenue (Baum Boulevard)
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


BM - Clinton Viaduct (Worcester County, Massachusetts)
Built 1903, demolished 1975
Lost Deck plate girder bridge over Nashua River, River Street, and Boylston Street on B&M Central Massachusetts Branch (abandoned)
Demolished

Broadway Viaduct (Older) (Rensselaer County, New York)
Lost Double-intersection Warren through truss bridge over New York Central Railroad on Broadway & Cohoes Railway Co.
Replaced by a new bridge

Browns Bridge (Murray County, Georgia)
Built 1890, replaced 1975
Lost Pratt through truss bridge over Conasauga River on Airport Road
Replaced by new bridge

Brunner Covered Bridge 35-23-23x (Fairfield County, Ohio)
Lost Covered Burr arch-truss bridge over Walnut Creek on Coakley Road NW
Replaced by a new bridge

Charlestown Elevated - Mystic River Bridge (Suffolk County, Massachusetts)
Built 1919, removed 1975
Deck girder bridge over Mystic River on Boston Elevated Railway (MBTA Orange Line)
No longer exists

Chestnut Ford Bridge (Dallas County, Iowa)
Built 1900, Removed 1975(?)
Lost Pratt through truss bridge over Des Moines River on Zook Spur Road/145th Lane
Removed but not replaced

Clarno Bridge (Wasco County, Oregon)
Built 1908, Replaced 1975
Lost Pennsylvania through truss bridge over John Day River on OR 218
Replaced by new bridge

Clear Creek Swinging Bridge (Marion County, Arkansas)
Built 1940 by the Works Progress Administration; rehabilitated 1967; replaced 1975
Lost suspension bridge over Clear Creek on AR 125
Replaced by a modern bridge

Corydon Bridge (Polk County, Iowa)
Built 1889, Damaged and closed after the National Guard drove a tank across it in 1972, Removed ca: 1975
Pratt Through truss bridge over Des Moines River on Road
No longer exists

Crescent Beach Drawbridge (Old) (St. Johns County, Florida)
Replaced 1975
Lost Bridge over Matanzas River/Intracoastal Waterway on Route 206
Replaced by a new bridge

Fisk Bridge (Butler County, Missouri)
Built 1929; main span collapsed Dec. 1975; replaced and reopened Mar. 1976
Lost skewed through truss bridge over St. Francis River on MO 51 (Old US 60) at Fisk
Main truss span replaced, but original approaches and piers remain

Gandy Bridge (Older) (Hillsborough County, Florida)
Built 1924; Demolished 1975
Lost Deck girder bridge over Tampa Bay on West Gandy Boulevard
No longer exists

Grand Avenue Viaduct (Cook County, Illinois)
Built 1888; Removed 1975
Lost Double-intersection Warren through truss bridge over Railroad Tracks on Grand Avenue
Removed but not replaced

Hanley Bridge (Polk County, Iowa)
Two spans damaged & replaced 1953, Removed ca. 1975
Lost Pratt through truss bridge over Des Moines River on Jester Park Drive
Removed

Hubby Bridge (Boone County, Iowa)
Built 1909; Removed ca 1975
Lost Parker through truss bridge over Des Moines River on Opal Lane
Removed

IA9 Des Moines River Bridge (Old) (Emmet County, Iowa)
Built 1915; Replaced 1975
Lost Concrete deck girder bridge over Des Moines River on IA 9
Replaced by a new bridge

Lincoln Highway Mississippi River Bridge (Clinton County, Iowa)
Built 1891, lost in 1975
Lost through truss bridge over Mississippi River on Lincoln Highway/US 30 in Clinton
Replaced by new bridge

Little Whitewater CR 350 Bridge (Cape Girardeau County, Missouri)
Lost bridge over Little Whitewater River on CR 350 southwest of Millersville
Replaced by a concrete span in 1975

Manchester Fish Hatchery Bridge (Delaware County, Iowa)
Built 1896; Replaced ca. 1975
Lost Pony truss bridge over Spring Creek on 205th Avenue
Replaced by a new bridge

Manhattan Covered Bridge 14-67-12x (Putnam County, Indiana)
Built 1895, collapsed on May 26, 1975
Lost Burr arch-truss bridge over Deer Creek
Collapsed

Marsh Swamp Bridge (Halifax County, North Carolina)
Built 1935, replaced 1975
Wooden bridge over Marsh Swamp on NC 561
Replaced by a new bridge

Mt. Vernon Street Bridge (Caledonia County, Vermont)
Built circa 1885 by the Berlin Iron Bridge Co.; Demolished 1975
Lost Lenticular pony truss bridge over Sleepers River on Mt. Vernon Street
Replaced by a new bridge

North Walnut Street Bridge (Sangamon County, Illinois)
Built 1910; replaced 1975
Lost Concrete pony/through girder bridge over Spring Creek on North Walnut Street
Replaced by a new bridge

Old Mountain Hill Road Bridge (Harris County, Georgia)
Abandoned polygonal Warren pony truss with alternating verticals bridge over Mulberry Creek on Old Mountain Hill Road
Derelict/abandoned

Old US 90 Wax Lake Outlet Bridge (St. Mary Parish, Louisiana)
Built 1941, replaced 1975
Polygonal Warren through truss bridge over Wax Lake Outlet on US-90
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

Pinnacles Bridge (Boone County, Missouri)
Replaced 1975
Lost truss bridge over Silver Fork Creek on Pinnacles Road
Replaced by new bridge

Red Bridge (Vermilion County, Illinois)
Built 1884, replaced in 1975
Lost Through truss bridge over Vermilion River on Backbone Road
Replaced by new bridge

Shelbyville Bridge (Shelby County, Illinois)
Replaced 1975
Lost Through truss bridge over Kaskaskia River on IL 16 in Shelbyville
Replaced by new bridge

Snyder Bridge (Polk County, Iowa)
Built 1898, Removed ca. 1975
Lost Through truss bridge over Des Moines River on 128th Street
No longer exists

SPS - Willamette River Bridge (Linn County, Oregon)
Built 1907; Burned 1939; Rpelaced 1972
Lost Warren deck truss bridge over Willamette River on Spokane, Portland & Seattle Railroad
Replaced by a new bridge

Tar River Seaboard Coast Line Railroad Bridge (Franklin County, North Carolina)
Built ca.1839
Lost bridge over Tar River on SCLRR
Replaced by a new bridge

WCFN - Sans Souci Bridge (Black Hawk County, Iowa)
Built 1921, Replaced 1975
Lost Closed-spandrel arch bridge over Cedar River on Railroad
Replaced by a new bridge

WCFN - Sans Souci Cut-Off Bridge (Black Hawk County, Iowa)
Built 1921, Replaced 1975
Lost Closed-spandrel arch bridge over Cedar River on Railroad
Replaced by a new bridge

West North Broadway Bridge (Old) (Franklin County, Ohio)
Built 1939
Lost Bridge over Olentangy River on West North Broadway
Replaced by a new bridge