Pioneer Highway over Stilliguamish River

Good Condition47 years old2,426 vehicles/day

Location

StateWashington
CountySnohomish
Location5.9 E Jct SR 532
CarriesPioneer Highway
CrossesStilliguamish River
Coordinates48.20967, -122.24782

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway6 (Satisfactory)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignStringer/Multi-beam
Total Length352.0 ft (107.3 m)
Max Span116.1 ft (35.4 m)
Deck Width43.3 ft (13.2 m)
Deck Area1416.4 sq m
Main Spans3
Year Built1979

Traffic

Avg Daily Traffic2,426 (2020)
Truck Traffic14%
Lanes On Bridge2

Inspection & Ownership

Last Inspection824
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number0011411A0000000

Nearby Bridges