170th AVE over Beaverton Creek

Fair Condition57 years old18,596 vehicles/day

Location

StateOregon
CountyWashington
Location0055 Mi N Hwy-8
Carries170th AVE
CrossesBeaverton Creek
Coordinates45.50079, -122.85199

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure7 (Good)
Substructure5 (Fair)
Channel/Waterway5 (Fair)
Scour CriticalUnknown

Physical Characteristics

MaterialPrestressed Concrete
DesignSlab
Total Length49.9 ft (15.2 m)
Max Span24.9 ft (7.6 m)
Deck Width33.1 ft (10.1 m)
Deck Area153.5 sq m
Main Spans2
Year Built1969

Traffic

Avg Daily Traffic18,596 (2020)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last Inspection924
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number671333113500080

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