US Bridges

HWY 351 over East Fork Wallowa River

FairPosted for load

Wallowa County, Oregon · 0.65 MI South JCT Ore 82 · Structure no. 07918 351 00652

Built
1955
70 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
26 ft
1 main span
Daily traffic
214
2022 count
Owner
State
State Highway Agency

About this bridge

HWY 351 over East Fork Wallowa River is a concrete stringer/multi-beam or girder carrying HWY 351 over East Fork Wallowa River in Wallowa 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 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. Its operating status is: posted for other load-capacity restriction.

It carries about 214 vehicles a day, roughly 17% of them trucks, projected to reach 220 by 2042. The structure is 26 ft (7.9 m) long and 31 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesHWY 351
CrossesEast Fork Wallowa River
Location0.65 MI South JCT Ore 82
RouteState Highway 351
CountyWallowa County
StateOregon
Coordinates45.2729, -117.2113
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.
Superstructure7 GoodSome minor problems.
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 statusPosted for other load-capacity restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
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 rating39.7 US tons
Inventory rating30.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length26 ft (7.9 m)
Longest span25 ft (7.6 m)
Deck width31 ft (9.3 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic214 (2022)
Projected traffic220 by 2042
Trucks17%
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 HWY 351 over East Fork Wallowa River built?

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

What condition is HWY 351 over East Fork Wallowa River 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 HWY 351 over East Fork Wallowa River carry?

About 214 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is HWY 351 over East Fork Wallowa River?

The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.6 m) and a deck 31 ft wide.

Who owns HWY 351 over East Fork Wallowa River?

It is owned by the State Highway Agency.