US Bridges

I-84 (hwy 002) Con over Corbett Int Ramps

Fair

Multnomah County, Oregon · At Corbett · Structure no. 08470R002C02210

Built
1960
65 years old
Condition
Fair
inspected April 2023
Type
Tee Beam
Concrete Continuous
Length
660 ft
12 main spans
Daily traffic
14,951
2022 count
Owner
State
State Highway Agency

About this bridge

I-84 (hwy 002) Con over Corbett Int Ramps is a concrete continuous tee beam carrying I-84 (hwy 002) Con over Corbett Int Ramps in Multnomah County, Oregon. It was built in 1960, so it is 65 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 14,951 vehicles a day, roughly 14% of them trucks, projected to reach 19,200 by 2042. The structure is 660 ft (201.2 m) long and 23 ft wide.

Location

Open in Google Maps
CarriesI-84 (hwy 002) Con
CrossesCorbett Int Ramps
LocationAt Corbett
RouteInterstate 84
CountyMultnomah County
StateOregon
Coordinates45.54135, -122.29472
Functional classRural 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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans12
Design loadHS 20
Structure length660 ft (201.2 m)
Longest span55 ft (16.8 m)
Deck width23 ft (6.9 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,951 (2022)
Projected traffic19,200 by 2042
Trucks14%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
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$3.4 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-84 (hwy 002) Con over Corbett Int Ramps built?

It was built in 1960, making it 65 years old in 2025.

What condition is I-84 (hwy 002) Con over Corbett Int Ramps 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 I-84 (hwy 002) Con over Corbett Int Ramps carry?

About 14,951 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is I-84 (hwy 002) Con over Corbett Int Ramps?

The structure is 660 ft (201.2 m) long with a longest span of 55 ft (16.8 m) and a deck 23 ft wide.

Who owns I-84 (hwy 002) Con over Corbett Int Ramps?

It is owned by the State Highway Agency.