I-5 (hwy 001) Con over Sheridan ST

Fair Condition67 years old3,857 vehicles/day

Location

StateOregon
CountyMultnomah
LocationW. End Of Marquam Br
CarriesI-5 (hwy 001) Con
CrossesSheridan ST
Coordinates45.50490, -122.67490

Condition Ratings

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

Physical Characteristics

MaterialConcrete Continuous
DesignTee Beam
Total Length149.0 ft (45.4 m)
Max Span65.0 ft (19.8 m)
Deck Width89.2 ft (27.2 m)
Deck Area1234.9 sq m
Main Spans3
Year Built1959

Traffic

Avg Daily Traffic3,857 (2022)
Truck Traffic9%
Lanes On Bridge3
Lanes Under Bridge2

Inspection & Ownership

Last Inspection723
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number08193 061C00052

Nearby Bridges