Historic Bridges: Skagit County, Washington

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.

Total Bridges Found: 6

Canoe Pass Bridge
HSR

WA-20 Over Canoe Pass in Rural: Skagit County, Washington, United States

Metal Two-Hinged Solid Ribbed Spandrel Braced Deck Arch, Fixed and Approach Spans: Concrete T-Beam, Fixed

Length: 511 ft. Main Span: 350 ft. Roadway: 22.3 ft. Main Spans: 1

Built 1935 By: Wallace Bridge and Structural Steel Company of Seattle, Washington and Washington Department of Highways (O R. Elwell)

In a stunning setting visited by many tourists, this is one of two impressive bridges here of different type but similar appearance that offer a nice engineering contrast.

Deception Pass Bridge
HSR

WA-20 Over Deception Pass in Rural: Island County, Washington and Skagit County, Washington, United States

Metal Cantilever 22 Panel Rivet-Connected Warren Deck Truss, Fixed and Approach Spans: Concrete T-Beam, Fixed

Length: 976 ft. Main Span: 550 ft. Roadway: 22 ft. Main Spans: 3

Built 1935 By: Wallace Bridge and Structural Steel Company of Seattle, Washington and Washington Department of Highways (O R. Elwell)

In a stunning setting visited by many tourists, this is one of two impressive bridges here of different type but similar appearance that offer a nice engineering contrast.

Division Street Bridge
Mt. Vernon Bridge
HSR

Division Street (WA-536) Over Skagit River in Mt. Vernon: Skagit County, Washington, United States

Metal Rivet-Connected Warren Through Truss, Movable: Swing (Center Bearing Center Pier) and Approach Spans: Metal 8 Panel Rivet-Connected Polygonal Warren Through Truss, Fixed

Length: 675 ft. Main Span: 160 ft. Roadway: 28 ft. Main Spans: 1

Built 1954 By: Guy F. Atkinson and George Stevens

Although it no longer opens for boats, this is a good example of a truss swing bridge in Washington State.

I-5 Skagit River Bridge
HSR

I-5 Over Skagit River in Mt. Vernon: Skagit County, Washington, United States

Metal 6 Panel Rivet-Connected Warren Through Truss, Fixed and Approach Spans: Concrete Curved T-Beam, Fixed

Length: 1,112 ft. Main Span: 160 ft. Roadway: 56 ft. Main Spans: 4

Built 1955 By: Peter Kiewit and Sons of Omaha, Nebraska

Although structurally noted for a design that looked continuous but is actually simple spans, this bridge was made infamous when a truck crashed into and collapsed one of the spans.

Marblemount Bridge
Cascade River Road Bridge
HSR

Cascade River Road Over Skagit River in Marblemount: Skagit County, Washington, United States

Metal 14 Panel Rivet-Connected Warren Through Truss, Fixed and Approach Spans: Concrete Stringer (Multi-Beam), Fixed

Length: 662 ft. Main Span: 280 ft. Roadway: 20 ft. Main Spans: 3

Built 1930 By: Alexander and McNeil of Mt. Vernon, Washington and Washington Department of Highways

This is an unusual bridge, with its continuous through truss design, and is dissimilar to the simple span and cantilever trusses found elsewhere in the state.

Rainbow Bridge
La Conner Bridge
HSR

Pioneer Parkway Road (Maple Avenue) Over Swinomish Slough in La Conner: Skagit County, Washington, United States

Metal 21 Panel Hingeless Solid Ribbed Through Arch, Fixed and Approach Spans: Concrete T-Beam, Fixed

Length: 792 ft. Main Span: 550 ft. Roadway: 24 ft. Main Spans: 1

Built 1957 By: Neukirch Brothers of Seattle, Washington and Harry R. Powell and Associates

This graceful arch bridge is noted for its uncommon design type, aesthetics, and span length.

Historic Bridges: Skagit County, Washington

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