US Bridges

US 20 (hwy 007) over Cottonwood Creek

Fair

Malheur County, Oregon · 21 MI W JCT US 26 @ Vale · Structure no. 17944 007 22553

Built
1996
29 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
76 ft
1 main span
Daily traffic
1,963
2022 count
Owner
State
State Highway Agency

About this bridge

US 20 (hwy 007) over Cottonwood Creek is a prestressed concrete box beam or girders - multiple carrying US 20 (hwy 007) over Cottonwood Creek in Malheur County, Oregon. It was built in 1996, so it is 29 years old, younger 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 1,963 vehicles a day, roughly 28% of them trucks, projected to reach 2,100 by 2042. The structure is 76 ft (23.2 m) long and 40 ft wide. If it were closed, the detour would be 69 mi (111 km).

CarriesUS 20 (hwy 007)
CrossesCottonwood Creek
Location21 MI W JCT US 26 @ Vale
RouteU.S. Route 20
StateOregon
Coordinates43.8711, -117.5636
Functional classRural Principal Arterial - Other

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 protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating44.3 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length76 ft (23.2 m)
Longest span72 ft (21.9 m)
Deck width40 ft (12.2 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,963 (2022)
Projected traffic2,100 by 2042
Trucks28%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed69 mi (111 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 20 (hwy 007) over Cottonwood Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is US 20 (hwy 007) over Cottonwood 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 June 2023.

How much traffic does US 20 (hwy 007) over Cottonwood Creek carry?

About 1,963 vehicles per day (2022 count), of which roughly 28% are trucks.

How long is US 20 (hwy 007) over Cottonwood Creek?

The structure is 76 ft (23.2 m) long with a longest span of 72 ft (21.9 m) and a deck 40 ft wide.

Who owns US 20 (hwy 007) over Cottonwood Creek?

It is owned by the State Highway Agency.