US Bridges

Big Canyon Road over Wallowa River

Fair

Wallowa County, Oregon · Inter HWY 82 & Usfs #8270 · Structure no. 061605000001038

Built
1969
56 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete Continuous
Length
111 ft
3 main spans
Daily traffic
80
2001 count
Owner
Federal
U.S. Forest Service

About this bridge

Big Canyon Road over Wallowa River is a concrete continuous slab carrying Big Canyon Road over Wallowa River in Wallowa County, Oregon. It was built in 1969, so it is 56 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 80 vehicles a day, projected to reach 120 by 2045. The structure is 111 ft (33.8 m) long and 17 ft wide.

CarriesBig Canyon Road
CrossesWallowa River
LocationInter HWY 82 & Usfs #8270
RouteFederal Lands Road 82700
StateOregon
Coordinates45.62, -117.69972
Functional classRural Local

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 protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 48 months
Operating statusOpen, no 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 alignment6: Equal to present minimum criteria
Operating rating83.1 US tons
Inventory rating50 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length111 ft (33.8 m)
Longest span43 ft (13.1 m)
Deck width17 ft (5.2 m)
Roadway width14 ft (4.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2001)
Projected traffic120 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Big Canyon Road over Wallowa River built?

It was built in 1969, making it 56 years old in 2025.

What condition is Big Canyon Road over 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 2024.

How much traffic does Big Canyon Road over Wallowa River carry?

About 80 vehicles per day (2001 count).

How long is Big Canyon Road over Wallowa River?

The structure is 111 ft (33.8 m) long with a longest span of 43 ft (13.1 m) and a deck 17 ft wide.

Who owns Big Canyon Road over Wallowa River?

It is owned by the U.S. Forest Service.