US Bridges

I-84 (hwy 6) WB over I-82 (hwy 70) EB

Fair

Umatilla County, Oregon · 28.0 MI W Pendleton on I8 · Structure no. 16453 006 17943

Built
1987
38 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
203 ft
3 main spans
Daily traffic
8,168
2022 count
Owner
State
State Highway Agency

About this bridge

I-84 (hwy 6) WB over I-82 (hwy 70) EB is a prestressed concrete stringer/multi-beam or girder carrying I-84 (hwy 6) WB over I-82 (hwy 70) EB in Umatilla County, Oregon. It was built in 1987, so it is 38 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 8,168 vehicles a day, roughly 25% of them trucks, projected to reach 9,800 by 2042. The structure is 203 ft (61.9 m) long and 45 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

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CarriesI-84 (hwy 6) WB
CrossesI-82 (hwy 70) EB
Location28.0 MI W Pendleton on I8
RouteInterstate 84
CountyUmatilla County
StateOregon
Coordinates45.79544, -119.39295
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
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 rating45 US tons
Inventory rating35.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length203 ft (61.9 m)
Longest span100 ft (30.5 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deck18 ft (5.5 m)

Traffic and service

Average daily traffic8,168 (2022)
Projected traffic9,800 by 2042
Trucks25%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed13 mi (21 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 I-84 (hwy 6) WB over I-82 (hwy 70) EB built?

It was built in 1987, making it 38 years old in 2025.

What condition is I-84 (hwy 6) WB over I-82 (hwy 70) EB 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-84 (hwy 6) WB over I-82 (hwy 70) EB carry?

About 8,168 vehicles per day (2022 count), of which roughly 25% are trucks.

How long is I-84 (hwy 6) WB over I-82 (hwy 70) EB?

The structure is 203 ft (61.9 m) long with a longest span of 100 ft (30.5 m) and a deck 45 ft wide.

Who owns I-84 (hwy 6) WB over I-82 (hwy 70) EB?

It is owned by the State Highway Agency.