US Bridges

I-84 (hwy 006) WB over Umatilla R(pendleton) WB

Fair

Umatilla County, Oregon · 018 MI E JCT US 30 · Structure no. 09521 006 20896

Built
1969
56 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
527 ft
5 main spans
Daily traffic
8,027
2022 count
Owner
State
State Highway Agency

About this bridge

I-84 (hwy 006) WB over Umatilla R(pendleton) WB is a prestressed concrete continuous stringer/multi-beam or girder carrying I-84 (hwy 006) WB over Umatilla R(pendleton) WB 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 8,027 vehicles a day, roughly 23% of them trucks, projected to reach 8,800 by 2042. The structure is 527 ft (160.6 m) long and 43 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

Location

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CarriesI-84 (hwy 006) WB
CrossesUmatilla R(pendleton) WB
Location018 MI E JCT US 30
RouteInterstate 84
CountyUmatilla County
StateOregon
Coordinates45.66653, -118.81653
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating21.8 US tons
Inventory rating16.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length527 ft (160.6 m)
Longest span110 ft (33.5 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,027 (2022)
Projected traffic8,800 by 2042
Trucks23%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$2.7 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I-84 (hwy 006) WB over Umatilla R(pendleton) WB built?

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

What condition is I-84 (hwy 006) WB over Umatilla R(pendleton) WB 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) WB over Umatilla R(pendleton) WB carry?

About 8,027 vehicles per day (2022 count), of which roughly 23% are trucks.

How long is I-84 (hwy 006) WB over Umatilla R(pendleton) WB?

The structure is 527 ft (160.6 m) long with a longest span of 110 ft (33.5 m) and a deck 43 ft wide.

Who owns I-84 (hwy 006) WB over Umatilla R(pendleton) WB?

It is owned by the State Highway Agency.