US Bridges

I-84 (hwy 006) over Birch Creek

Fair

Malheur County, Oregon · 02.2 MI S Baker CO Line · Structure no. 08364 006 35423

Built
1958
67 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete Continuous
Length
36 ft
2 main spans
Daily traffic
12,271
2022 count
Owner
State
State Highway Agency

About this bridge

I-84 (hwy 006) over Birch Creek is a concrete continuous culvert carrying I-84 (hwy 006) over Birch Creek in Malheur County, Oregon. It was built in 1958, so it is 67 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 12,271 vehicles a day, roughly 37% of them trucks, projected to reach 15,500 by 2042. The structure is 36 ft (11 m) long. If it were closed, the detour would be 70.8 mi (114 km).

Location

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CarriesI-84 (hwy 006)
CrossesBirch Creek
Location02.2 MI S Baker CO Line
RouteInterstate 84
CountyMalheur County
StateOregon
Coordinates44.2776, -117.2083
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length36 ft (11 m)
Longest span17 ft (5.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,271 (2022)
Projected traffic15,500 by 2042
Trucks37%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed70.8 mi (114 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-84 (hwy 006) over Birch Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is I-84 (hwy 006) over Birch Creek 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) over Birch Creek carry?

About 12,271 vehicles per day (2022 count), of which roughly 37% are trucks.

How long is I-84 (hwy 006) over Birch Creek?

The structure is 36 ft (11 m) long with a longest span of 17 ft (5.2 m).

Who owns I-84 (hwy 006) over Birch Creek?

It is owned by the State Highway Agency.