N.w.sammamish Road over Issaquah Creek

Fair Condition30 years old44,000 vehicles/day

Location

StateWashington
CountyKing
Location0.2 Mi W Of E Lk Samm Pkw
CarriesN.w.sammamish Road
CrossesIssaquah Creek
Coordinates47.55200, -122.04789

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure5 (Fair)
Substructure7 (Good)
Channel/Waterway5 (Fair)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length149.9 ft (45.7 m)
Max Span145.0 ft (44.2 m)
Deck Width91.9 ft (28 m)
Deck Area1279.6 sq m
Main Spans1
Year Built1996

Traffic

Avg Daily Traffic44,000 (2020)
Truck Traffic6%
Lanes On Bridge6

Inspection & Ownership

Last Inspection923
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number086297000000000

Nearby Bridges