SR 516 over Mullen Slough & Dirt Rd.

Good Condition43 years old12,389 vehicles/day

Location

StateWashington
CountyKing
Location1.8 E Jct I-5
CarriesSR 516
CrossesMullen Slough & Dirt Rd.
Coordinates47.37533, -122.26644

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway7 (Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length266.1 ft (81.1 m)
Max Span45.6 ft (13.9 m)
Deck Width87.6 ft (26.7 m)
Deck Area2165.4 sq m
Main Spans6
Year Built1983

Traffic

Avg Daily Traffic12,389 (2023)
Truck Traffic5%
Lanes On Bridge4

Inspection & Ownership

Last Inspection923
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number0012191A0000000

Nearby Bridges