Hawthorne Avenue Over Willamette River in Portland: Multnomah County, Oregon, United States
Metal 11 Panel Rivet-Connected Parker Through Truss, Movable: Vertical Lift (Span Drive) and Approach Spans: Metal 11 Panel Rivet-Connected Parker Through Truss, Fixed
Length: 1,383 ft.
Main Span: 251 ft.
Roadway: 43.6 ft.
Main Spans: 1
Built 1910
By: Pennsylvania Steel Company of Steelton, Pennsylvania
and Waddell and Harrington of Kansas City, Missouri
Burnside Street Over Willamette River and Various Streets and Railroad in Portland: Multnomah County, Oregon, United States
Metal Rivet-Connected Pratt Deck Truss, Movable: Double Leaf Bascule (Strauss Trunnion) and Approach Spans: Metal Rivet-Connected Double-Intersection Warren Deck Truss, Fixed
Length: 2,807 ft.
Main Span: 213 ft.
Roadway: 68 ft.
Main Spans: 1
Built 1926
By: Pacific Bridge Company of Portland, Oregon
and Strauss Bascule Bridge Company (Strauss Engineering Company) of Chicago, Illinois and Gustav Lindenthal
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
I-5 Over Columbia River in Portland and Vancouver: Multnomah County, Oregon and Clark County, Washington, United States
Metal 11 Panel Rivet-Connected Parker Through Truss, Movable: Vertical Lift (Span Drive) and Approach Spans: Metal 22 Panel Rivet-Connected Pennsylvania Through Truss, Fixed
Length: 3,538 ft.
Main Span: 531 ft.
Roadway: 38 ft.
Main Spans: 1
Built 1917
By: American Bridge Company of New York, New York
and Waddell and Harrington of Kansas City, Missouri
Railroad (BNSF) Over Columbia River (Oregon Slough) in Portland: Multnomah County, Oregon, United States
Metal Pin-Connected Modified Warren (Subdivided) Through Truss, Movable: Swing (Rim Bearing Center Pier) and Approach Spans: Metal 6 Panel Pin-Connected Pratt Through Truss,
Length: 1,535 ft.
Main Span: 335 ft.
Main Spans: 1
Built 1908
By: American Bridge Company of New York, New York
and Ralph Modjeski
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.