US Bridges

I-84 (hwy 006 Eb) over HWY 6 Frontage RD

Fair

Umatilla County, Oregon · 5.2 Mi. W. Union Co. Line · Structure no. 08595E006 23877

Built
1961
64 years old, rebuilt 1997
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
155 ft
3 main spans
Daily traffic
6,001
2022 count
Owner
State
State Highway Agency

About this bridge

I-84 (hwy 006 Eb) over HWY 6 Frontage RD is a prestressed concrete stringer/multi-beam or girder carrying I-84 (hwy 006 Eb) over HWY 6 Frontage RD in Umatilla County, Oregon. It was built in 1961 and reconstructed in 1997, so it is 64 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 6,001 vehicles a day, roughly 35% of them trucks, projected to reach 6,800 by 2042. The structure is 155 ft (47.2 m) long and 47 ft wide. If it were closed, the detour would be 42.9 mi (69 km).

Location

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CarriesI-84 (hwy 006 Eb)
CrossesHWY 6 Frontage RD
Location5.2 Mi. W. Union Co. Line
RouteInterstate 84
CountyUmatilla County
StateOregon
Coordinates45.49311, -118.41392
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.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.2 US tons
Inventory rating30.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length155 ft (47.2 m)
Longest span51 ft (15.5 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,001 (2022)
Projected traffic6,800 by 2042
Trucks35%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed42.9 mi (69 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 HWY 6 Frontage RD built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1997.

What condition is I-84 (hwy 006 Eb) over HWY 6 Frontage RD 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 006 Eb) over HWY 6 Frontage RD carry?

About 6,001 vehicles per day (2022 count), of which roughly 35% are trucks.

How long is I-84 (hwy 006 Eb) over HWY 6 Frontage RD?

The structure is 155 ft (47.2 m) long with a longest span of 51 ft (15.5 m) and a deck 47 ft wide.

Who owns I-84 (hwy 006 Eb) over HWY 6 Frontage RD?

It is owned by the State Highway Agency.