SR 20 over Sidehill

Good Condition64 years old848 vehicles/day

Location

StateWashington
CountyWhatcom
Location8.6 E Skagit Co
CarriesSR 20
CrossesSidehill
Coordinates48.70570, -121.17586

Condition Ratings

Overall ConditionGood
Deck8 (Very Good)
Superstructure7 (Good)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialConcrete
DesignStringer/Multi-beam
Total Length82.0 ft (25 m)
Max Span40.0 ft (12.2 m)
Deck Width16.4 ft (5 m)
Deck Area125 sq m
Main Spans2
Year Built1962

Traffic

Avg Daily Traffic848 (2023)
Truck Traffic7%
Lanes On Bridge2

Inspection & Ownership

Last Inspection723
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number0006974E0000000

Nearby Bridges

SR 20 over Skagit R 0.9 mi Good Diablo ST over Stetattle Creek 1.4 mi Fair SR 20 over Gorge Creek 1.6 mi Fair Diablo Camp Road over Diablo Tailrace 1.7 mi Fair Diablo Access RD over Diablo Gorge 2.0 mi Fair Diablo Dam RD over Diablo Gorge 2.0 mi Fair Diablo Access Road over Skagit River 2.0 mi Fair Diablo Dam Access over Skagit River 2.1 mi Fair Diablo Dam Access over Skagit River 2.1 mi Fair SR 20 over Half Br Sta 163 2.4 mi Fair