I-5 over NE 78th ST

Fair Condition25 years old36,997 vehicles/day

Location

StateWashington
CountyClark
Location2.1 N Jct SR 500
CarriesI-5
CrossesNE 78th ST
Coordinates45.67802, -122.66444

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure8 (Very Good)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignBox Beam - Multiple
Total Length399.9 ft (121.9 m)
Max Span200.1 ft (61 m)
Deck Width116.8 ft (35.6 m)
Deck Area4339.6 sq m
Main Spans3
Year Built2001

Traffic

Avg Daily Traffic36,997 (2023)
Truck Traffic8%
Lanes On Bridge6
Lanes Under Bridge8

Inspection & Ownership

Last Inspection524
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number0015661G0000000

Nearby Bridges