I-5 over Lewis River

Poor Condition86 years old41,939 vehicles/day

Location

StateWashington
CountyClark
Location5.8 N Jct SR 501
CarriesI-5
CrossesLewis River
Coordinates45.88874, -122.73263

Condition Ratings

Overall ConditionPoor
Deck6 (Satisfactory)
Superstructure4 (Poor)
Substructure6 (Satisfactory)
Channel/Waterway8 (Very Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialSteel Continuous
DesignTruss - Thru
Total Length1310.0 ft (399.3 m)
Max Span324.1 ft (98.8 m)
Deck Width48.9 ft (14.9 m)
Deck Area5949.6 sq m
Main Spans3
Year Built1940

Traffic

Avg Daily Traffic41,939 (2023)
Truck Traffic15%
Lanes On Bridge3

Inspection & Ownership

Last Inspection323
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number0002559A0000000

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