I-5 over Colony RD

Fair Condition63 years old24,437 vehicles/day

Location

StateWashington
CountySkagit
Location8.8 N Jct SR 11
CarriesI-5
CrossesColony RD
Coordinates48.60891, -122.34792

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure7 (Good)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length273.0 ft (83.2 m)
Max Span75.1 ft (22.9 m)
Deck Width35.1 ft (10.7 m)
Deck Area890.2 sq m
Main Spans4
Year Built1963

Traffic

Avg Daily Traffic24,437 (2023)
Truck Traffic7%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last Inspection323
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number0007260B0000000

Nearby Bridges