15th AVE W over Shilshole AVE NW

Fair Condition86 years old52,000 vehicles/day

Location

StateWashington
CountyKing
Location4300 15th AVE W
Carries15th AVE W
CrossesShilshole AVE NW
Coordinates47.65983, -122.37612

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure5 (Fair)
Substructure6 (Satisfactory)
Scour CriticalNot applicable

Physical Characteristics

MaterialConcrete Continuous
DesignTee Beam
Total Length588.9 ft (179.5 m)
Max Span71.9 ft (21.9 m)
Deck Width52.8 ft (16.1 m)
Deck Area2889.9 sq m
Main Spans9
Year Built1940

Traffic

Avg Daily Traffic52,000 (2022)
Truck Traffic10%
Lanes On Bridge4
Lanes Under Bridge5

Inspection & Ownership

Last Inspection424
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number085177000000000

Nearby Bridges