US Bridges

HWY 001 (I-5) over Col. Blvd & UPRR

Fair

Multnomah County, Oregon · 2.5 MI S of Interstate Br · Structure no. 08882 001 30592

Built
1964
61 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
645 ft
2 main spans
Daily traffic
85,841
2022 count
Owner
State
State Highway Agency

About this bridge

HWY 001 (I-5) over Col. Blvd & UPRR is a steel continuous stringer/multi-beam or girder carrying HWY 001 (I-5) over Col. Blvd & UPRR in Multnomah County, Oregon. It was built in 1964, so it is 61 years old, older than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 85,841 vehicles a day, roughly 9% of them trucks, projected to reach 87,900 by 2042. The structure is 645 ft (196.6 m) long and 111 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHWY 001 (I-5)
CrossesCol. Blvd & UPRR
Location2.5 MI S of Interstate Br
RouteInterstate 5
StateOregon
Coordinates45.58413, -122.67925
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26.8 US tons
Inventory rating20.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+5 approach)
Design loadHS 20
Structure length645 ft (196.6 m)
Longest span161 ft (49.1 m)
Deck width111 ft (33.7 m)
Roadway width105 ft (32.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic85,841 (2022)
Projected traffic87,900 by 2042
Trucks9%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway and railroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY 001 (I-5) over Col. Blvd & UPRR built?

It was built in 1964, making it 61 years old in 2025.

What condition is HWY 001 (I-5) over Col. Blvd & UPRR in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2024.

How much traffic does HWY 001 (I-5) over Col. Blvd & UPRR carry?

About 85,841 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is HWY 001 (I-5) over Col. Blvd & UPRR?

The structure is 645 ft (196.6 m) long with a longest span of 161 ft (49.1 m) and a deck 111 ft wide.

Who owns HWY 001 (I-5) over Col. Blvd & UPRR?

It is owned by the State Highway Agency.