US Bridges

Big Canyon Road over Deer Creek

Good

Wallowa County, Oregon · No Data Entered · Structure no. 061605000001144

Built
1997
28 years old
Condition
Good
inspected August 2022
Type
Slab
Prestressed Concrete
Length
68 ft
1 main span
Daily traffic
40
2001 count
Owner
Federal
U.S. Forest Service

About this bridge

Big Canyon Road over Deer Creek is a prestressed concrete slab carrying Big Canyon Road over Deer Creek in Wallowa County, Oregon. It was built in 1997, so it is 28 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 40 vehicles a day, projected to reach 60 by 2045. The structure is 68 ft (20.8 m) long and 16 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

Location

Open in Google Maps
CarriesBig Canyon Road
CrossesDeer Creek
LocationNo Data Entered
RouteFederal Lands Road 82700
CountyWallowa County
StateOregon
Coordinates45.6086, -117.6939
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60.1 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length68 ft (20.8 m)
Longest span66 ft (20 m)
Deck width16 ft (4.9 m)
Roadway width13 ft (3.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2001)
Projected traffic60 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed620.7 mi (999 km)
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 Deer Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is Big Canyon Road over Deer Creek 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 August 2022.

How much traffic does Big Canyon Road over Deer Creek carry?

About 40 vehicles per day (2001 count).

How long is Big Canyon Road over Deer Creek?

The structure is 68 ft (20.8 m) long with a longest span of 66 ft (20 m) and a deck 16 ft wide.

Who owns Big Canyon Road over Deer Creek?

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