US 101 over Duckabush Slough

Fair Condition92 years old2,967 vehicles/day

Location

StateWashington
CountyJefferson
Location25.0 S Jct SR 104
CarriesUS 101
CrossesDuckabush Slough
Coordinates47.65117, -122.93300

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure5 (Fair)
Substructure5 (Fair)
Channel/Waterway6 (Satisfactory)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialConcrete
DesignTee Beam
Total Length121.1 ft (36.9 m)
Max Span29.9 ft (9.1 m)
Deck Width30.5 ft (9.3 m)
Deck Area343.2 sq m
Main Spans4
Year Built1934

Traffic

Avg Daily Traffic2,967 (2023)
Truck Traffic11%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number0001764A0000000

Nearby Bridges

US 101 over Duckabush River 0.1 mi Fair US 101 over Walkers Creek 2.7 mi Good Park Road over Footbridge Trail 2.9 mi Good US 101 over Fulton Creek 3.0 mi Fair US 101 over Dosewallips River 3.2 mi Good US 101 over Dosewallips Overflow 3.3 mi Good US 101 over Dosewallips Overflow 3.3 mi Good NW Stavis Bay Road over Stavis Creek 3.3 mi Good US 101 over Oyster Bed Creek 3.9 mi Good No Data Entered over No Name Creek 4.4 mi Good