US Bridges

I-84 (hwy 006) EB over Or 11 (hwy 8)

Fair

Umatilla County, Oregon · 01.4 MI E JCT US 395 · Structure no. 09523A006 21096

Built
1969
56 years old
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
195 ft
3 main spans
Daily traffic
6,596
2022 count
Owner
State
State Highway Agency

About this bridge

I-84 (hwy 006) EB over Or 11 (hwy 8) is a prestressed concrete continuous box beam or girders - multiple carrying I-84 (hwy 006) EB over Or 11 (hwy 8) in Umatilla County, Oregon. It was built in 1969, so it is 56 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 6,596 vehicles a day, roughly 36% of them trucks, projected to reach 7,500 by 2042. The structure is 195 ft (59.4 m) long and 43 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesI-84 (hwy 006) EB
CrossesOr 11 (hwy 8)
Location01.4 MI E JCT US 395
RouteInterstate 84
StateOregon
Coordinates45.66319, -118.77786
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.7 US tons
Inventory rating24.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length195 ft (59.4 m)
Longest span88 ft (26.8 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,596 (2022)
Projected traffic7,500 by 2042
Trucks36%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-84 (hwy 006) EB over Or 11 (hwy 8) built?

It was built in 1969, making it 56 years old in 2025.

What condition is I-84 (hwy 006) EB over Or 11 (hwy 8) 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 2024.

How much traffic does I-84 (hwy 006) EB over Or 11 (hwy 8) carry?

About 6,596 vehicles per day (2022 count), of which roughly 36% are trucks.

How long is I-84 (hwy 006) EB over Or 11 (hwy 8)?

The structure is 195 ft (59.4 m) long with a longest span of 88 ft (26.8 m) and a deck 43 ft wide.

Who owns I-84 (hwy 006) EB over Or 11 (hwy 8)?

It is owned by the State Highway Agency.