US Bridges

Wildhorse Creek RD over Wildhorse Creek

FairPosted for load

Umatilla County, Oregon · 1.2 MI S of HWY 11 · Structure no. 59C398067500119

Built
1972
53 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
26 ft
1 main span
Daily traffic
194
2020 count
Owner
County
County Highway Agency

About this bridge

Wildhorse Creek RD over Wildhorse Creek is a steel stringer/multi-beam or girder carrying Wildhorse Creek RD over Wildhorse Creek in Umatilla County, Oregon. It was built in 1972, so it is 53 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 load restriction.

It carries about 194 vehicles a day, roughly 10% of them trucks, projected to reach 234 by 2025. The structure is 26 ft (7.9 m) long and 27 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesWildhorse Creek RD
CrossesWildhorse Creek
Location1.2 MI S of HWY 11
RouteCounty Highway 0
StateOregon
Coordinates45.79626, -118.47536
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating16.8 US tons
Inventory rating12.9 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadH 15
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width27 ft (8.2 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic194 (2020)
Projected traffic234 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Wildhorse Creek RD over Wildhorse Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is Wildhorse Creek RD over Wildhorse 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 2024.

How much traffic does Wildhorse Creek RD over Wildhorse Creek carry?

About 194 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Wildhorse Creek RD over Wildhorse Creek?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 27 ft wide.

Who owns Wildhorse Creek RD over Wildhorse Creek?

It is owned by the County Highway Agency.