SR 20 over Okanogan River

Fair Condition67 years old2,479 vehicles/day

Location

StateWashington
CountyOkanogan
Location0.2 E Jct SR 215
CarriesSR 20
CrossesOkanogan River
Coordinates48.35374, -119.59374

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway7 (Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialConcrete Continuous
DesignBox Beam - Multiple
Total Length368.1 ft (112.2 m)
Max Span88.9 ft (27.1 m)
Deck Width32.5 ft (9.9 m)
Deck Area1110.8 sq m
Main Spans6
Year Built1959

Traffic

Avg Daily Traffic2,479 (2023)
Truck Traffic6%
Lanes On Bridge2

Inspection & Ownership

Last Inspection323
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number0005956A0000000

Nearby Bridges

SR 20 over Railroad 0.2 mi Fair SR 215 over Salmon CR 0.7 mi Fair Fifth Avenue over Salmon Creek 0.7 mi Fair First Avenue over Salmon Creek 0.7 mi Fair Mill Street over Salmon Creek 0.7 mi Fair Oak Street over Okanogan River 1.0 mi Good Salmon Creek RD over Salmon Creek 2.3 mi Good Salmon Creek RD over Salmon Creek 3.0 mi Good County Road 9221 over Salmon Creek 4.0 mi Fair US 97 over Gn Rr-county Road 4.0 mi Good