US Bridges

I-82 (hwy 070) WB over Columbia River

Fair

Umatilla County, Oregon · Washington State Line · Structure no. 16424 070 00040

Built
1988
37 years old
Condition
Fair
inspected March 2024
Type
Segmental Box Girder
Prestressed Concrete Continuous
Length
3,433 ft
4 main spans
Daily traffic
12,412
2022 count
Owner
State
State Highway Agency

About this bridge

I-82 (hwy 070) WB over Columbia River is a prestressed concrete continuous segmental box girder carrying I-82 (hwy 070) WB over Columbia River in Umatilla County, Oregon. It was built in 1988, so it is 37 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 12,412 vehicles a day, roughly 21% of them trucks, projected to reach 15,800 by 2042. The structure is 3,433 ft (1,046.4 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-82 (hwy 070) WB
CrossesColumbia River
LocationWashington State Line
RouteInterstate 82
CountyUmatilla County
StateOregon
Coordinates45.935, -119.33
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84 US tons
Inventory rating49.1 US tons

Structure

Structure typeSegmental Box Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4 (+4 approach)
Design loadHS 20 + Mod
Structure length3,433 ft (1,046.4 m)
Longest span660 ft (201.2 m)
Deck width50 ft (15.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,412 (2022)
Projected traffic15,800 by 2042
Trucks21%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$65.2 million (2022 estimate)
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was I-82 (hwy 070) WB over Columbia River built?

It was built in 1988, making it 37 years old in 2025.

What condition is I-82 (hwy 070) WB over Columbia River 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 March 2024.

How much traffic does I-82 (hwy 070) WB over Columbia River carry?

About 12,412 vehicles per day (2022 count), of which roughly 21% are trucks.

How long is I-82 (hwy 070) WB over Columbia River?

The structure is 3,433 ft (1,046.4 m) long with a longest span of 660 ft (201.2 m) and a deck 50 ft wide.

Who owns I-82 (hwy 070) WB over Columbia River?

It is owned by the State Highway Agency.