HWY 141 over Tualatin River

Fair Condition59 years old19,223 vehicles/day

Location

StateOregon
CountyWashington
Location4.0 Mi N Of HWY 1
CarriesHWY 141
CrossesTualatin River
Coordinates45.38606, -122.75747

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure7 (Good)
Substructure6 (Satisfactory)
Channel/Waterway7 (Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length315.9 ft (96.3 m)
Max Span105.6 ft (32.2 m)
Deck Width49.9 ft (15.2 m)
Deck Area1463.8 sq m
Main Spans3
Year Built1967

Traffic

Avg Daily Traffic19,223 (2022)
Truck Traffic2%
Lanes On Bridge2

Inspection & Ownership

Last InspectionDecember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number04970B141 00888

Nearby Bridges