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.
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CA-160 Over Sacramento River in Rural: Sacramento County, California, United States
Metal Rivet-Connected Pratt Through Truss, Movable: Double Leaf Bascule (Heel Trunnion) and Approach Spans: Metal 6 Panel Rivet-Connected Pratt Through Truss, Fixed
Length: 588 ft.
Main Span: 226 ft.
Roadway: 17.4 ft.
Main Spans: 3
Built 1923
By: Moore Dry Dock Company of Oakland, California
and Strauss Bascule Bridge Company (Strauss Engineering Company) of Chicago, Illinois
Railroad (Norfolk Southern) and Former Hayne Boulevard (Highway Deck Removed) Over Inner Harbor Navigation Canal (Industrial Canal) in New Orleans: Orleans Parish, Louisiana, United States
Metal 7 Panel Rivet-Connected Warren Through Truss, Movable: Single Leaf Bascule (Heel Trunnion)
Length: 266 ft.
Main Span: 120 ft.
Main Spans: 1
Built 1923
By: Bethlehem Steel Company of Bethlehem, Pennsylvania
and Strauss Bascule Bridge Company (Strauss Engineering Company) of Chicago, Illinois
Warren Road Over Loch Raven Reservoir (Gunpowder Falls) in Rural: Baltimore County, Maryland, United States
Metal 9 Panel Rivet-Connected Parker Through Truss, Fixed
Length: 640 ft.
Main Span: 213 ft.
Roadway: 20 ft.
Main Spans: 3
Built 1923
By: Phoenix Bridge Company of Phoenixville, Pennsylvania
and John Edwin Greiner (J. E. Greiner Company of Baltimore, Maryland and Chicago, Illinois)
US-1 Over Piscataqua River in Portsmouth and Kittery: Rockingham County, New Hampshire and York County, Maine, United States
Metal 10 Panel Rivet-Connected Warren Through Truss, Movable: Vertical Lift and Approach Spans: Metal 10 Panel Rivet-Connected Polygonal Warren Through Truss, Fixed
Length: 1,201 ft.
Main Span: 297 ft.
Roadway: 28 ft.
Main Spans: 1
Built 1923
By: American Bridge Company of New York, New York
and J. A. L. Waddell