US Bridges

I-84 (hwy 006) WB over Doman Road

Fair

Malheur County, Oregon · 058 MI NW Idaho State LN · Structure no. 07971A006 37218

Built
1972
53 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
143 ft
3 main spans
Daily traffic
6,566
2022 count
Owner
State
State Highway Agency

About this bridge

I-84 (hwy 006) WB over Doman Road is a prestressed concrete stringer/multi-beam or girder carrying I-84 (hwy 006) WB over Doman Road in Malheur County, Oregon. It was built in 1972, so it is 53 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 6,566 vehicles a day, roughly 18% of them trucks, projected to reach 7,700 by 2042. The structure is 143 ft (43.6 m) long and 46 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesI-84 (hwy 006) WB
CrossesDoman Road
Location058 MI NW Idaho State LN
RouteInterstate 84
CountyMalheur County
StateOregon
Coordinates44.0752, -117.00528
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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26.5 US tons
Inventory rating20.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length143 ft (43.6 m)
Longest span54 ft (16.5 m)
Deck width46 ft (13.9 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,566 (2022)
Projected traffic7,700 by 2042
Trucks18%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.8 mi (11 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) WB over Doman Road built?

It was built in 1972, making it 53 years old in 2025.

What condition is I-84 (hwy 006) WB over Doman Road 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 2023.

How much traffic does I-84 (hwy 006) WB over Doman Road carry?

About 6,566 vehicles per day (2022 count), of which roughly 18% are trucks.

How long is I-84 (hwy 006) WB over Doman Road?

The structure is 143 ft (43.6 m) long with a longest span of 54 ft (16.5 m) and a deck 46 ft wide.

Who owns I-84 (hwy 006) WB over Doman Road?

It is owned by the State Highway Agency.