I-5 over Skagit River

Fair Condition71 years old39,245 vehicles/day

Location

StateWashington
CountySkagit
Location0.7 N Jct SR 538
CarriesI-5
CrossesSkagit River
Coordinates48.44331, -122.34103

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure5 (Fair)
Substructure6 (Satisfactory)
Channel/Waterway8 (Very Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialSteel
DesignTruss - Thru
Total Length1111.9 ft (338.9 m)
Max Span160.1 ft (48.8 m)
Deck Width60.0 ft (18.3 m)
Deck Area6201.9 sq m
Main Spans3
Year Built1955

Traffic

Avg Daily Traffic39,245 (2023)
Truck Traffic10%
Lanes On Bridge4
Lanes Under Bridge4

Inspection & Ownership

Last Inspection623
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number0004794A0000000

Nearby Bridges