SR 20 over Skagit R

Good Condition66 years old1,470 vehicles/day

Location

StateWashington
CountyWhatcom
Location9.6 E Skagit Co
CarriesSR 20
CrossesSkagit R
Coordinates48.71208, -121.15750

Condition Ratings

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

Physical Characteristics

MaterialConcrete Continuous
DesignBox Beam - Multiple
Total Length460.0 ft (140.2 m)
Max Span136.2 ft (41.5 m)
Deck Width31.5 ft (9.6 m)
Deck Area1345.9 sq m
Main Spans3
Year Built1960

Traffic

Avg Daily Traffic1,470 (2023)
Truck Traffic8%
Lanes On Bridge2

Inspection & Ownership

Last Inspection624
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number0006291A0000000

Nearby Bridges