SR 20 over Higgins Slough

Good Condition18 years old14,588 vehicles/day

Location

StateWashington
CountySkagit
Location2.2 E Jct SR 536
CarriesSR 20
CrossesHiggins Slough
Coordinates48.45506, -122.38864

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete
DesignSlab
Total Length74.1 ft (22.6 m)
Max Span66.9 ft (20.4 m)
Deck Width40.0 ft (12.2 m)
Deck Area275.7 sq m
Main Spans1
Year Built2008

Traffic

Avg Daily Traffic14,588 (2023)
Truck Traffic8%
Lanes On Bridge2

Inspection & Ownership

Last Inspection323
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number0017484A0000000

Nearby Bridges

SR 20 over Higgins Slough 0.0 mi Good SR 20 over Higgins Slough 0.9 mi Good SR 20 over Higgins Slough 0.9 mi Good SR 20 over Higgins Slough 1.5 mi Good SR 20 over Higgins Slough 1.5 mi Good SR 20 over Higgins Slough 2.0 mi Good SR 20 over Higgins Slough 2.0 mi Good South Goldenrod over Gages Slough 2.1 mi Good George Hopper RD over I-5 2.2 mi Fair I-5 over Gages Slough 2.2 mi Good