US 395 over Big Boulder Creek

Good Condition42 years old645 vehicles/day

Location

StateWashington
CountyFerry
Location15.7 N Jct SR 20
CarriesUS 395
CrossesBig Boulder Creek
Coordinates48.83550, -118.18350

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway6 (Satisfactory)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignStringer/Multi-beam
Total Length160.8 ft (49 m)
Max Span107.9 ft (32.9 m)
Deck Width37.4 ft (11.4 m)
Deck Area558.6 sq m
Main Spans2
Year Built1984

Traffic

Avg Daily Traffic645 (2023)
Truck Traffic16%
Lanes On Bridge2

Inspection & Ownership

Last Inspection423
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number0012729A0000000

Nearby Bridges