US Bridges

Or 82 (hwy 010) over Wallowa R (minam)

Fair

Wallowa County, Oregon · 006 MI E Union CO Line · Structure no. 01038A010 03364

Built
1965
60 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
427 ft
3 main spans
Daily traffic
1,572
2022 count
Owner
State
State Highway Agency

About this bridge

Or 82 (hwy 010) over Wallowa R (minam) is a prestressed concrete stringer/multi-beam or girder carrying Or 82 (hwy 010) over Wallowa R (minam) in Wallowa County, Oregon. It was built in 1965, so it is 60 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 1,572 vehicles a day, roughly 28% of them trucks, projected to reach 1,700 by 2042. The structure is 427 ft (130.1 m) long and 34 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesOr 82 (hwy 010)
CrossesWallowa R (minam)
Location006 MI E Union CO Line
RouteState Highway 82
StateOregon
Coordinates45.62135, -117.72099
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: 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 rating15.3 US tons
Inventory rating11.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3 (+3 approach)
Design loadHS 20
Structure length427 ft (130.1 m)
Longest span95 ft (29 m)
Deck width34 ft (10.5 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,572 (2022)
Projected traffic1,700 by 2042
Trucks28%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Or 82 (hwy 010) over Wallowa R (minam) built?

It was built in 1965, making it 60 years old in 2025.

What condition is Or 82 (hwy 010) over Wallowa R (minam) 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 July 2023.

How much traffic does Or 82 (hwy 010) over Wallowa R (minam) carry?

About 1,572 vehicles per day (2022 count), of which roughly 28% are trucks.

How long is Or 82 (hwy 010) over Wallowa R (minam)?

The structure is 427 ft (130.1 m) long with a longest span of 95 ft (29 m) and a deck 34 ft wide.

Who owns Or 82 (hwy 010) over Wallowa R (minam)?

It is owned by the State Highway Agency.