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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Broadway Over Willamette River and Various Streets and Railroad in Portland: Multnomah County, Oregon, United States
Metal 12 Panel Rivet-Connected Baltimore Through Truss, Movable: Double Leaf Bascule (Rall) and Approach Spans: Metal 11 Panel Rivet-Connected Pennsylvania Through Truss, Fixed
Length: 1,742 ft.
Main Span: 278 ft.
Roadway: 45.6 ft.
Main Spans: 1
Built 1913
By: Pennsylvania Steel Company of Steelton, Pennsylvania
and Ralph Modjeski
Hanover Street Over Middle Branch Patapsco River in Baltimore: Baltimore City, Maryland, United States
Metal Rivet-Connected Pratt Deck Truss, Movable: Double Leaf Bascule (Rall) and Approach Spans: Concrete Cantilever Open Spandrel Deck Arch, Fixed
Length: 2,023 ft.
Main Span: 229 ft.
Roadway: 60 ft.
Main Spans: 1
Built 1916
By: Strobel Steel Construction Company of Chicago, Illinois
and John Edwin Greiner (J. E. Greiner Company of Baltimore, Maryland and Chicago, Illinois)
