I-405 over Coal Creek Parkway SE

Fair Condition61 years old71,797 vehicles/day

Location

StateWashington
CountyKing
Location4.8 N Jct SR 900
CarriesI-405
CrossesCoal Creek Parkway SE
Coordinates47.56750, -122.17992

Condition Ratings

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

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length196.9 ft (60 m)
Max Span76.1 ft (23.2 m)
Deck Width60.4 ft (18.4 m)
Deck Area1,104 sq m
Main Spans3
Year Built1965 (reconstructed 2008)

Traffic

Avg Daily Traffic71,797 (2023)
Truck Traffic6%
Lanes On Bridge4
Lanes Under Bridge5

Inspection & Ownership

Last Inspection424
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number0007623C0000000

Nearby Bridges

I-405 over Coal Creek Parkway SE 0.0 mi Fair Cascade Key over Coal Creek 0.1 mi Good Skagit Key over Coal Creek 0.2 mi Good Glacier Key over Coal Creek 0.4 mi Good Newport Key over Coal Creek 0.5 mi Good Skagit Key over Coal Creek 0.6 mi Good I-90 over Mercer Slough 0.8 mi Fair I-405 over I-90 0.8 mi Good I-90 over Mercer Slough 0.9 mi Fair I-405 over I-90 Factoria 0.9 mi Fair