15th AVE W over Ship Canal

Fair Condition109 years old60,000 vehicles/day

Location

StateWashington
CountyKing
Location4300 15th AVE W
Carries15th AVE W
CrossesShip Canal
Coordinates47.65983, -122.37612

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure5 (Fair)
Substructure5 (Fair)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel
DesignMovable - Bascule
Total Length294.9 ft (89.9 m)
Max Span217.8 ft (66.4 m)
Deck Width52.5 ft (16 m)
Deck Area1438.4 sq m
Main Spans3
Year Built1917

Traffic

Avg Daily Traffic60,000 (2020)
Truck Traffic10%
Lanes On Bridge4

Inspection & Ownership

Last Inspection424
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is on the National Register of Historic Places
Structure Number085179000000000

Nearby Bridges