Mountain Loop Hwy. over S.f. Stillaguamish River

Fair Condition72 years old1,756 vehicles/day

Location

StateWashington
CountySnohomish
Location12.1 E Jct SR 92
CarriesMountain Loop Hwy.
CrossesS.f. Stillaguamish River
Coordinates48.08621, -121.76209

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure7 (Good)
Channel/Waterway5 (Fair)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel
DesignTruss - Thru
Total Length211.0 ft (64.3 m)
Max Span163.1 ft (49.7 m)
Deck Width29.2 ft (8.9 m)
Deck Area572.3 sq m
Main Spans1
Year Built1954

Traffic

Avg Daily Traffic1,756 (2019)
Truck Traffic3%
Lanes On Bridge2

Inspection & Ownership

Last Inspection624
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number081946000000000

Nearby Bridges