Olson Rd/36 AVE NW over Norman Slough

Fair Condition47 years old50 vehicles/day

Location

StateWashington
CountySnohomish
Location0.1 S Jct SR 530
CarriesOlson Rd/36 AVE NW
CrossesNorman Slough
Coordinates48.22282, -122.28082

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure5 (Fair)
Substructure6 (Satisfactory)
Channel/Waterway7 (Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialWood or Timber
DesignStringer/Multi-beam
Total Length162.7 ft (49.6 m)
Max Span17.4 ft (5.3 m)
Deck Width20.0 ft (6.1 m)
Deck Area302.6 sq m
Main Spans10
Year Built1979

Traffic

Avg Daily Traffic50 (2020)
Truck Traffic13%
Lanes On Bridge2

Inspection & Ownership

Last Inspection724
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number084574000000000

Nearby Bridges