US Bridges

Wallowa Loop Road over Duck Creek

Fair

Wallowa County, Oregon · Intersection RD 39/66 · Structure no. 061604000001039

Built
1992
33 years old
Condition
Fair
inspected July 2023
Type
Culvert
Steel
Length
28 ft
1 main span
Daily traffic
225
2001 count
Owner
Federal
U.S. Forest Service

About this bridge

Wallowa Loop Road over Duck Creek is a steel culvert carrying Wallowa Loop Road over Duck Creek in Wallowa County, Oregon. It was built in 1992, so it is 33 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 225 vehicles a day, projected to reach 337 by 2045. The structure is 28 ft (8.4 m) long. If it were closed, the detour would be 98.2 mi (158 km).

CarriesWallowa Loop Road
CrossesDuck Creek
LocationIntersection RD 39/66
RouteFederal Lands Road 39000
StateOregon
Coordinates45.06861, -116.90583
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating107.1 US tons
Inventory rating107.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadUnknown
Structure length28 ft (8.4 m)
Longest span22 ft (6.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic225 (2001)
Projected traffic337 by 2045
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.2 mi (158 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 Wallowa Loop Road over Duck Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is Wallowa Loop Road over Duck Creek 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 Wallowa Loop Road over Duck Creek carry?

About 225 vehicles per day (2001 count).

How long is Wallowa Loop Road over Duck Creek?

The structure is 28 ft (8.4 m) long with a longest span of 22 ft (6.7 m).

Who owns Wallowa Loop Road over Duck Creek?

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