SR 505 over Mill Creek

Good Condition42 years old3,782 vehicles/day

Location

StateWashington
CountyLewis
Location1.3 E Jct I-5
CarriesSR 505
CrossesMill Creek
Coordinates46.46881, -122.85793

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway6 (Satisfactory)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length57.1 ft (17.4 m)
Max Span27.9 ft (8.5 m)
Deck Width37.1 ft (11.3 m)
Deck Area196.6 sq m
Main Spans2
Year Built1984

Traffic

Avg Daily Traffic3,782 (2023)
Truck Traffic8%
Lanes On Bridge2

Inspection & Ownership

Last InspectionNovember 2021
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number080476000000000

Nearby Bridges