US Bridges

US 20 (hwy 007) over Nevada Ditch

Good

Malheur County, Oregon · 058 MI E JCT US RTE 26 · Structure no. 07846 007 25218

Built
1955
70 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete Continuous
Length
20 ft
2 main spans
Daily traffic
5,908
2022 count
Owner
State
State Highway Agency

About this bridge

US 20 (hwy 007) over Nevada Ditch is a concrete continuous culvert carrying US 20 (hwy 007) over Nevada Ditch in Malheur County, Oregon. It was built in 1955, so it is 70 years old, older 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 5,908 vehicles a day, roughly 28% of them trucks, projected to reach 6,300 by 2042. The structure is 20 ft (6.1 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUS 20 (hwy 007)
CrossesNevada Ditch
Location058 MI E JCT US RTE 26
RouteU.S. Route 20
StateOregon
Coordinates43.98143, -117.12428
Functional classRural Principal Arterial - Other

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.2 US tons
Inventory rating25.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 20
Structure length20 ft (6.1 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,908 (2022)
Projected traffic6,300 by 2042
Trucks28%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

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 US 20 (hwy 007) over Nevada Ditch built?

It was built in 1955, making it 70 years old in 2025.

What condition is US 20 (hwy 007) over Nevada Ditch 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 November 2023.

How much traffic does US 20 (hwy 007) over Nevada Ditch carry?

About 5,908 vehicles per day (2022 count), of which roughly 28% are trucks.

How long is US 20 (hwy 007) over Nevada Ditch?

The structure is 20 ft (6.1 m) long with a longest span of 8 ft (2.4 m).

Who owns US 20 (hwy 007) over Nevada Ditch?

It is owned by the State Highway Agency.