SR 508 over I-5

Good Condition40 years old4,290 vehicles/day

Location

StateWashington
CountyLewis
LocationJct I-5
CarriesSR 508
CrossesI-5
Coordinates46.58367, -122.88903

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignStringer/Multi-beam
Total Length250.0 ft (76.2 m)
Max Span125.0 ft (38.1 m)
Deck Width43.0 ft (13.1 m)
Deck Area998.2 sq m
Main Spans2
Year Built1986

Traffic

Avg Daily Traffic4,290 (2023)
Truck Traffic12%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last Inspection624
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number0013015A0000000

Nearby Bridges