BridgeSeek

Historic Bridges: Gilpin Construction Company of Portland, Oregon

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.

Results in this list will be limited to the first 200 results. Consider performing a more narrow search from the main BridgeSeek tool if your search here is showing 200 results.

Total Bridges Found: 4

X
Sellwood Bridge
HSR

Tacoma Street Over Willamette River in Portland: Multnomah County, Oregon, United States

Metal Continuous (Straight Chords) 22 Panel Rivet-Connected Modified Warren (Subdivided) Deck Truss, Fixed and Approach Spans: Concrete Deck Girder, Fixed

Length: 1,972 ft. Main Span: 300 ft. Roadway: 30.8 ft. Main Spans: 4

Built 1925 By: Gilpin Construction Company of Portland, Oregon and Gustav Lindenthal and Ira G. Hedrick

The significance of this monumental bridge as an early large-scale continuous highway truss bridge designed by a famous engineer did not save it from the scrapyard.

Yale Bridge
HSR

WA-503 (Yale Bridge Road) Over North Fork Lewis River in Rural: Clark County, Washington and Cowlitz County, Washington, United States

Metal Pony Truss Stiffening Wire Cable Suspension, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed

Length: 458 ft. Main Span: 300 ft. Roadway: 16.7 ft. Main Spans: 1

Built 1932 By: Gilpin Construction Company of Portland, Oregon and Harold E. Gilbert

This is a rare small-scale suspension bridge that is also noted for its lack of alteration.

Yaquina Bay Bridge
Newport Bridge
HSR

Oregon Coast Highway (US-101) Over Yaquina Bay in Newport: Lincoln County, Oregon, United States

Metal 24 Panel Braced Ribbed Through Arch, Fixed and Approach Spans: Concrete Open Spandrel Deck Arch, Fixed

Length: 3,261 ft. Main Span: 600 ft. Roadway: 27 ft. Main Spans: 1

Built 1934 By: Gilpin Construction Company of Portland, Oregon and Conde Balcom McCullough (Oregon State Highway Commission)

A masterpiece of engineer Conde McCullough, this bridge is one of the largest and most impressive historic bridges on the Oregon Coast Highway.

Youngs Bay Bridge
HSR

Business US-101 (Warrenton-Astoria Highway) Over Youngs Bay in Astoria: Clatsop County, Oregon, United States

Metal Rivet-Connected Pratt Deck Truss, Movable: Double Leaf Bascule (Fixed Trunnion) and Approach Spans: Wood Stringer (Multi-Beam), Fixed

Length: 1,845 ft. Main Span: 166 ft. Roadway: 20.3 ft. Main Spans: 1

Built 1921 By: Gilpin Construction Company of Portland, Oregon and Conde Balcom McCullough (Oregon State Highway Commission)

This is a graceful double-leaf bascule bridge, and is also noted for its unusual ornate combination of concrete and timber approach railings.

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