SR 20 over Canoe Pass

Fair Condition91 years old18,797 vehicles/day

Location

StateWashington
CountySkagit
Location0.2 E Island Co
CarriesSR 20
CrossesCanoe Pass
Coordinates48.40833, -122.64486

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure7 (Good)
Channel/Waterway8 (Very Good)
Scour Critical9 — Foundation above flood level

Physical Characteristics

MaterialSteel Continuous
DesignTruss - Deck
Total Length511.2 ft (155.8 m)
Max Span350.1 ft (106.7 m)
Deck Width30.2 ft (9.2 m)
Deck Area1433.4 sq m
Main Spans3
Year Built1935

Traffic

Avg Daily Traffic18,797 (2023)
Truck Traffic6%
Lanes On Bridge2

Inspection & Ownership

Last Inspection223
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is on the National Register of Historic Places
Structure Number0001929B0000000

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