HWY 3 over Riverside Canyon

Fair Condition100 years old14,839 vehicles/day

Location

StateOregon
CountyMultnomah
Location0.04 Mi N Riverwood Road
CarriesHWY 3
CrossesRiverside Canyon
Coordinates45.44771, -122.65750

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Scour CriticalNot applicable

Physical Characteristics

MaterialConcrete Continuous
DesignTee Beam
Total Length655.2 ft (199.7 m)
Max Span47.9 ft (14.6 m)
Deck Width7.9 ft (2.4 m)
Deck Area479.3 sq m
Main Spans5
Year Built1926 (reconstructed 1971)

Traffic

Avg Daily Traffic14,839 (2022)
Truck Traffic1%
Lanes On Bridge3

Inspection & Ownership

Last InspectionDecember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number01185A003 00400

Nearby Bridges