US Bridges

43rd Ave Off Ramp over UPRR and Trimet

Fair

Multnomah County, Oregon · 2.8 MI E of HWY I-5 · Structure no. 16553 002C00280

Built
1985
40 years old
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
702 ft
5 main spans
Daily traffic
75,668
2022 count
Owner
State
State Highway Agency

About this bridge

43rd Ave Off Ramp over UPRR and Trimet is a prestressed concrete continuous box beam or girders - single or spread carrying 43rd Ave Off Ramp over UPRR and Trimet in Multnomah County, Oregon. It was built in 1985, so it is 40 years old, younger 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 75,668 vehicles a day, roughly 4% of them trucks, projected to reach 79,350 by 2042. The structure is 702 ft (214 m) long and 30 ft wide.

Location

Open in Google Maps
Carries43rd Ave Off Ramp
CrossesUPRR and Trimet
Location2.8 MI E of HWY I-5
RouteInterstate 84
CountyMultnomah County
StateOregon
Coordinates45.53246, -122.61862
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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.6 US tons
Inventory rating64.6 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 25 or greater
Structure length702 ft (214 m)
Longest span194 ft (59.1 m)
Deck width30 ft (9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75,668 (2022)
Projected traffic79,350 by 2042
Trucks4%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$3.6 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was 43rd Ave Off Ramp over UPRR and Trimet built?

It was built in 1985, making it 40 years old in 2025.

What condition is 43rd Ave Off Ramp over UPRR and Trimet 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 April 2023.

How much traffic does 43rd Ave Off Ramp over UPRR and Trimet carry?

About 75,668 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is 43rd Ave Off Ramp over UPRR and Trimet?

The structure is 702 ft (214 m) long with a longest span of 194 ft (59.1 m) and a deck 30 ft wide.

Who owns 43rd Ave Off Ramp over UPRR and Trimet?

It is owned by the State Highway Agency.