US Bridges

US 20 (hwy 007) over Malheur R (horseshoe B.)

Fair

Malheur County, Oregon · 119 E MI E Harney CO Line · Structure no. 19909 007 19197

Built
2005
20 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
294 ft
3 main spans
Daily traffic
1,851
2022 count
Owner
State
State Highway Agency

About this bridge

US 20 (hwy 007) over Malheur R (horseshoe B.) is a prestressed concrete continuous stringer/multi-beam or girder carrying US 20 (hwy 007) over Malheur R (horseshoe B.) in Malheur County, Oregon. It was built in 2005, so it is 20 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 1,851 vehicles a day, roughly 28% of them trucks, projected to reach 2,000 by 2042. The structure is 294 ft (89.5 m) long and 39 ft wide. If it were closed, the detour would be 69 mi (111 km).

Location

Open in Google Maps
CarriesUS 20 (hwy 007)
CrossesMalheur R (horseshoe B.)
Location119 E MI E Harney CO Line
RouteU.S. Route 20
CountyMalheur County
StateOregon
Coordinates43.76816, -118.0466
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 protection8 Very GoodNo problems noted.
Last inspectionJune 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
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating30.3 US tons
Inventory rating23.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length294 ft (89.5 m)
Longest span121 ft (37 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,851 (2022)
Projected traffic2,000 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 Malheur R (horseshoe B.) built?

It was built in 2005, making it 20 years old in 2025.

What condition is US 20 (hwy 007) over Malheur R (horseshoe B.) 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 Malheur R (horseshoe B.) carry?

About 1,851 vehicles per day (2022 count), of which roughly 28% are trucks.

How long is US 20 (hwy 007) over Malheur R (horseshoe B.)?

The structure is 294 ft (89.5 m) long with a longest span of 121 ft (37 m) and a deck 39 ft wide.

Who owns US 20 (hwy 007) over Malheur R (horseshoe B.)?

It is owned by the State Highway Agency.