Terwilliger Blvd. over HWY 001

Fair Condition33 years old113,008 vehicles/day

Location

StateOregon
CountyMultnomah
Location1.7 M S Of Ross Isl. Br.
CarriesTerwilliger Blvd.
CrossesHWY 001
Coordinates45.46980, -122.68628

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure7 (Good)
Substructure6 (Satisfactory)
Channel/Waterway6 (Satisfactory)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignBox Beam - Multiple
Total Length687.0 ft (209.4 m)
Max Span205.1 ft (62.5 m)
Deck Width61.7 ft (18.8 m)
Deck Area3936.7 sq m
Main Spans5
Year Built1993

Traffic

Avg Daily Traffic113,008 (2020)
Truck Traffic11%
Lanes On Bridge2
Lanes Under Bridge10

Inspection & Ownership

Last Inspection124
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number08392C001C29717

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