I-5 Ramp over Nbcd

Good Condition31 years old3,974 vehicles/day

Location

StateWashington
CountySnohomish
Location3.0 N Jct SR 523
CarriesI-5 Ramp
CrossesNbcd
Coordinates47.78272, -122.31619

Condition Ratings

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

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignBox Beam - Multiple
Total Length382.9 ft (116.7 m)
Max Span166.0 ft (50.6 m)
Deck Width32.2 ft (9.8 m)
Deck Area1143.7 sq m
Main Spans3
Year Built1995

Traffic

Avg Daily Traffic3,974 (2023)
Truck Traffic5%
Lanes On Bridge1
Lanes Under Bridge2

Inspection & Ownership

Last Inspection124
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number0014326A0000000

Nearby Bridges