Special Bridge Conditions Legend:R - Former location of relocated bridge. ! - At risk for demolition or destruction.
X - Confirmed demolished or
collapsed. S
- Dismantled and/or in storage. L -
Severe loss of historic integrity due to alteration.
4th Street Over China Basin in San Francisco: San Francisco County, California, United States
Metal Rivet-Connected Warren Pony Truss, Movable: Single Leaf Bascule (Strauss Trunnion) and Approach Spans: Concrete T-Beam, Fixed
Length: 205 ft.
Main Span: 94 ft.
Roadway: 40 ft.
Main Spans: 1
Built 1917
By: Thomson Bridge Company of San Francisco, California
and Strauss Bascule Bridge Company (Strauss Engineering Company) of Chicago, Illinois
6th Street Over Allegheny River in Pittsburgh: Allegheny County, Pennsylvania, United States
Metal Through Plate Girder Stiffening Eyebar Chain Suspension, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed
Length: 995 ft.
Main Span: 430 ft.
Roadway: 38 ft.
Main Spans: 3
Built 1928
By: American Bridge Company of New York, New York
and Allegheny County Department of Public Works, Vernon R Covell and T. J. Wilkerson of Beaver Falls, Pennsylvania
7th Street Over Allegheny River in Pittsburgh: Allegheny County, Pennsylvania, United States
Metal Through Plate Girder Stiffening Eyebar Chain Suspension, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed
Length: 1,061 ft.
Main Span: 422 ft.
Roadway: 38 ft.
Main Spans: 1
Built 1926
By: American Bridge Company of New York, New York
and Allegheny County Department of Public Works, Vernon R Covell and T. J. Wilkerson of Beaver Falls, Pennsylvania
9th Street Over Allegheny River in Pittsburgh: Allegheny County, Pennsylvania, United States
Metal Through Plate Girder Stiffening Eyebar Chain Suspension, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed
Length: 995 ft.
Main Span: 410 ft.
Roadway: 38 ft.
Main Spans: 1
Built 1926
By: American Bridge Company of New York, New York
and Allegheny County Department of Public Works, Vernon R Covell and T. J. Wilkerson of Beaver Falls, Pennsylvania
20 Mile Road Over I-94 in Rural: Calhoun County, Michigan, United States
Concrete Continuous Curved T-Beam, Fixed
Length: 227 ft.
Main Span: 71 ft.
Roadway: 24 ft.
Main Spans: 4
Built 1960
By: Holloway Construction Company of Livonia and Wixom, Michigan and Raff and Dexter of Lansing, Michigan
and Michigan State Highway Department
23 Mile Road Over I-94 in Rural: Calhoun County, Michigan, United States
Concrete Continuous Curved T-Beam, Fixed
Length: 227 ft.
Main Span: 71 ft.
Roadway: 26.2 ft.
Main Spans: 4
Built 1960
By: Holloway Construction Company of Livonia and Wixom, Michigan and Argersinger - Morse Construction Company
and Michigan State Highway Department
27 Mile Road Over I-94 in Rural: Calhoun County, Michigan, United States
Concrete Continuous Curved T-Beam, Fixed
Length: 360 ft.
Main Span: 113 ft.
Roadway: 26 ft.
Main Spans: 4
Built 1960
By: Holloway Construction Company of Livonia and Wixom, Michigan and E. C. Nolan and Son of Detroit, Michigan
and Michigan State Highway Department
Railroad (Metra Electric District, NICTD South Shore Line, Former Illinois Central) Over 51st Street (Hyde Park Boulevard) in Chicago: Cook County, Illinois, United States
Railroad (Metra Electric District, NICTD South Shore Line, Former Illinois Central) Over 59th Street and Westbound Midway Plaisance Drive in Chicago: Cook County, Illinois, United States
Metal (Concrete Encased) Stringer (Multi-Beam), Fixed
Railroad (Metra Electric District, NICTD South Shore Line, Former Illinois Central) Over 60th Street and Eastbound Midway Plaisance Drive in Chicago: Cook County, Illinois, United States
Metal (Concrete Encased) Stringer (Multi-Beam), Fixed
Bridge Street (OH-531) Over Ashtabula River in Ashtabula: Ashtabula County, Ohio, United States
Metal 8 Panel Rivet-Connected Polygonal Warren Through Truss, Movable: Bascule (Brown) and Approach Spans: Concrete Slab, Fixed
Length: 223 ft.
Main Span: 160 ft.
Roadway: 20 ft.
Main Spans: 1
Built 1925
By: Kelly-Atkinson Construction Company of Chicago, Illinois and Fort Pitt Bridge Works of Pittsburgh, Pennsylvania
and Wendell P. Brown of Cleveland, Ohio
Railroad (Conrail) Over Ashtabula River in Ashtabula: Ashtabula County, Ohio, United States
Metal 6 Panel Rivet-Connected Warren Through Truss, Movable: Bascule (Heel Trunnion) and Approach Spans: Metal Deck Girder, Fixed
Main Span: 159 ft.
Main Spans: 1
Built 1911
By: Pennsylvania Steel Company of Steelton, Pennsylvania
and Strauss Bascule Bridge Company (Strauss Engineering Company) of Chicago, Illinois
Railroad (Metra Union Pacific North) Over North Branch Chicago River in Chicago: Cook County, Illinois, United States
Metal 6 Panel Rivet-Connected Warren Through Truss, Movable: Single Leaf Bascule (Heel Trunnion)
Length: 186 ft.
Main Span: 145 ft.
Main Spans: 1
Built 1916
By: Kelly-Atkinson Construction Company of Chicago, Illinois
and Strauss Bascule Bridge Company (Strauss Engineering Company) of Chicago, Illinois
Railroad (Baltimore and Ohio) Over Calumet River in Chicago: Cook County, Illinois, United States
Metal Rivet-Connected Modified Warren (Subdivided) Through Truss, Movable: Single Leaf Bascule (Heel Trunnion) and Approach Spans: Metal Deck Girder, Fixed
Main Span: 235 ft.
Main Spans: 1
Built 1913
By: Unknown
and Strauss Bascule Bridge Company (Strauss Engineering Company) of Chicago, Illinois
Knox Road (TR-347, Donley Road, Jackson Avenue) Over South Branch Bear Creek in Rural: Armstrong County, Pennsylvania and Butler County, Pennsylvania, United States
Metal 8 Panel Rivet-Connected Warren Pony Truss, Fixed
Length: 83 ft.
Main Span: 77 ft.
Roadway: 17.7 ft.
Main Spans: 1
Built 1913
By: Farris Engineering (Bridge) Company of Pittsburgh, Pennsylvania
I-680 Southbound Over Carquinez Strait (Suisun Bay), Bayshore Road, and Railroad in Martinez and Benicia: Contra Costa County, California and Solano County, California, United States
Metal 10 Panel Bolt-Connected Warren Deck Truss, Fixed and Approach Spans: Metal Stringer (Multi-Beam),
Length: 6,215 ft.
Main Span: 528 ft.
Roadway: 60.7 ft.
Main Spans: 10
Built 1962
By: American Bridge Company of New York, New York
Railroad (Baltimore and Ohio) Over Ohio River in Bellaire and Benwood: Belmont County, Ohio and Marshall County, West Virginia, United States
Metal 11 Panel Pin-Connected Parker Through Truss, Fixed and Approach Spans: Stone Semicircular Deck Arch, Fixed
Length: 5,808 ft.
Main Span: 348 ft.
Main Spans: 6
Built 1905
By: American Bridge Company of New York, New York
and John Edwin Greiner (J. E. Greiner Company of Baltimore, Maryland and Chicago, Illinois)
Big Bridge
Lockport Main Street Bridge, Bridge E-233
Main Street (NY-31), Saxton Street, Cottage Street, and Two Parking Lots Over Erie Canal (New York State Barge Canal) in Lockport: Niagara County, New York, United States
Metal Three-Hinged Solid Ribbed Deck Arch, Fixed
Length: 129 ft.
Main Span: 129 ft.
Roadway: 400 ft.
Main Spans: 1
Built 1914
By: Larkin and Sangster of Seneca Falls, New York
Big Eddy Road Over Columbia River in Revelstoke: Columbia-Shuswap District, British Columbia, Canada
Metal 9 Panel Rivet-Connected Parker Through Truss, Fixed and Approach Spans: Metal 14 Panel Rivet-Connected Double-Intersection Warren Through Truss, Fixed
Length: 1,080 ft.
Main Span: 215 ft.
Main Spans: 2