Mountain Loop Hwy. over Boardman Creek

Fair Condition74 years old1,666 vehicles/day

Location

StateWashington
CountySnohomish
Location16.9 E Jct SR 92
CarriesMountain Loop Hwy.
CrossesBoardman Creek
Coordinates48.06941, -121.68115

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Channel/Waterway4 (Poor)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialConcrete Continuous
DesignStringer/Multi-beam
Total Length89.9 ft (27.4 m)
Max Span51.8 ft (15.8 m)
Deck Width29.9 ft (9.1 m)
Deck Area249.3 sq m
Main Spans3
Year Built1952

Traffic

Avg Daily Traffic1,666 (2022)
Truck Traffic6%
Lanes On Bridge2

Inspection & Ownership

Last Inspection723
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number082771000000000

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