SR 530 over Bohs Slough

Good Condition65 years old1,475 vehicles/day

Location

StateWashington
CountySkagit
Location14.4 N Snohomish Co
CarriesSR 530
CrossesBohs Slough
Coordinates48.48222, -121.59236

Condition Ratings

Overall ConditionGood
Deck8 (Very Good)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway6 (Satisfactory)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length76.1 ft (23.2 m)
Max Span76.1 ft (23.2 m)
Deck Width24.9 ft (7.6 m)
Deck Area176.3 sq m
Main Spans1
Year Built1961

Traffic

Avg Daily Traffic1,475 (2023)
Truck Traffic11%
Lanes On Bridge2

Inspection & Ownership

Last Inspection423
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000QX0000000

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