SR 20 over Methow River

Good Condition24 years old4,549 vehicles/day

Location

StateWashington
CountyOkanogan
Location39.6 E Chelan Co
CarriesSR 20
CrossesMethow River
Coordinates48.35964, -120.11558

Condition Ratings

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

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignStringer/Multi-beam
Total Length360.9 ft (110 m)
Max Span173.6 ft (52.9 m)
Deck Width45.6 ft (13.9 m)
Deck Area1,529 sq m
Main Spans2
Year Built2002

Traffic

Avg Daily Traffic4,549 (2023)
Truck Traffic9%
Lanes On Bridge2

Inspection & Ownership

Last Inspection323
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number0016134A0000000

Nearby Bridges

SR 20 over Twisp R 0.6 mi Good SR 20 over H W Channel Methow R 1.0 mi Good Fas Route A240 over Twisp River 1.6 mi Poor SR 20 over H W Channel Methow R 1.7 mi Good SR 153 over Beaver Creek 3.3 mi Good SR 20 over Beaver Creek 3.4 mi Good County Road 1600 over Beaver Creek 3.7 mi Poor County Road 1075 over Twisp River 4.1 mi Good