US Bridges

Jimtown Road over Wallowa River

Fair

Wallowa County, Oregon · 3.5 MI N of HWY 82 · Structure no. 63C04 507 00351

Built
1966
59 years old
Condition
Fair
inspected September 2024
Type
Girder and Floorbeam System
Steel
Length
57 ft
1 main span
Daily traffic
162
2020 count
Owner
County
County Highway Agency

About this bridge

Jimtown Road over Wallowa River is a steel girder and floorbeam system carrying Jimtown Road over Wallowa River in Wallowa County, Oregon. It was built in 1966, so it is 59 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 5 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: open, posting recommended but not legally implemented.

It carries about 162 vehicles a day, roughly 15% of them trucks, projected to reach 192 by 2025. The structure is 57 ft (17.4 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesJimtown Road
CrossesWallowa River
Location3.5 MI N of HWY 82
RouteCounty Highway 0
StateOregon
Coordinates45.5345, -117.4336
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusOpen, posting recommended but not legally implemented
ScourUnknown foundation; not evaluated for scour
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 rating14.3 US tons
Inventory rating11 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadH 20
Structure length57 ft (17.4 m)
Longest span55 ft (16.8 m)
Deck width26 ft (7.9 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic162 (2020)
Projected traffic192 by 2025
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Jimtown Road over Wallowa River built?

It was built in 1966, making it 59 years old in 2025.

What condition is Jimtown 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 September 2024.

How much traffic does Jimtown Road over Wallowa River carry?

About 162 vehicles per day (2020 count), of which roughly 15% are trucks.

How long is Jimtown Road over Wallowa River?

The structure is 57 ft (17.4 m) long with a longest span of 55 ft (16.8 m) and a deck 26 ft wide.

Who owns Jimtown Road over Wallowa River?

It is owned by the County Highway Agency.