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
Railroad (BNSF) Over Columbia River in Portland and Vancouver: Multnomah County, Oregon and Clark County, Washington, United States
Metal Pin-Connected Modified Warren (Subdivided) Through Truss, Movable: Swing (Rim Bearing Center Pier) and Approach Spans: Metal 10 Panel Pin-Connected Pennsylvania Through Truss,
Length: 2,808 ft.
Main Span: 466 ft.
Roadway: 25 ft.
Main Spans: 1
Built 1908
By: American Bridge Company of New York, New York
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
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
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
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
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.