US Bridges

I-84 (hwy 6) EB over Doman Road

Good

Malheur County, Oregon · 058 MI NW Idaho State LN · Structure no. 20378 006 37218

Built
2007
18 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
115 ft
1 main span
Daily traffic
6,566
2022 count
Owner
State
State Highway Agency

About this bridge

I-84 (hwy 6) EB over Doman Road is a prestressed concrete stringer/multi-beam or girder carrying I-84 (hwy 6) EB over Doman Road in Malheur County, Oregon. It was built in 2007, so it is 18 years old, younger than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 6,566 vehicles a day, roughly 18% of them trucks, projected to reach 7,700 by 2042. The structure is 115 ft (35.1 m) long and 45 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesI-84 (hwy 6) EB
CrossesDoman Road
Location058 MI NW Idaho State LN
RouteInterstate 84
CountyMalheur County
StateOregon
Coordinates44.07506, -117.00547
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.9 US tons
Inventory rating56.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length115 ft (35.1 m)
Longest span113 ft (34.4 m)
Deck width45 ft (13.6 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 6) EB over Doman Road built?

It was built in 2007, making it 18 years old in 2025.

What condition is I-84 (hwy 6) EB over Doman Road in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

How much traffic does I-84 (hwy 6) EB over Doman Road carry?

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

How long is I-84 (hwy 6) EB over Doman Road?

The structure is 115 ft (35.1 m) long with a longest span of 113 ft (34.4 m) and a deck 45 ft wide.

Who owns I-84 (hwy 6) EB over Doman Road?

It is owned by the State Highway Agency.