SR 20 over Sky Creek

Good Condition37 years old1,930 vehicles/day

Location

StateWashington
CountySkagit
Location17.8 E Jct SR 530
CarriesSR 20
CrossesSky Creek
Coordinates48.63018, -121.32787

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway8 (Very Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialPrestressed Concrete
DesignTee Beam
Total Length51.8 ft (15.8 m)
Max Span49.9 ft (15.2 m)
Deck Width39.0 ft (11.9 m)
Deck Area188.0 sq m
Main Spans1
Year Built1989

Traffic

Avg Daily Traffic1,930 (2023)
Truck Traffic7%
Lanes On Bridge2

Inspection & Ownership

Last Inspection524
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number0013442A0000000

Nearby Bridges