US Bridges

HWY 335 over Wild Horse Creek

Fair

Umatilla County, Oregon · 0.8 Mi. N. Jct. or 11 · Structure no. 08031 335 00897

Built
1956
69 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Concrete Continuous
Length
101 ft
3 main spans
Daily traffic
474
2022 count
Owner
State
State Highway Agency

About this bridge

HWY 335 over Wild Horse Creek is a concrete continuous tee beam carrying HWY 335 over Wild Horse Creek in Umatilla County, Oregon. It was built in 1956, so it is 69 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 474 vehicles a day, roughly 18% of them trucks, projected to reach 700 by 2042. The structure is 101 ft (30.8 m) long and 31 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

CarriesHWY 335
CrossesWild Horse Creek
Location0.8 Mi. N. Jct. or 11
RouteState Highway 335
StateOregon
Coordinates45.72744, -118.65277
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating26.5 US tons
Inventory rating20.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length101 ft (30.8 m)
Longest span40 ft (12.2 m)
Deck width31 ft (9.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic474 (2022)
Projected traffic700 by 2042
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY 335 over Wild Horse Creek built?

It was built in 1956, making it 69 years old in 2025.

What condition is HWY 335 over Wild Horse 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 August 2023.

How much traffic does HWY 335 over Wild Horse Creek carry?

About 474 vehicles per day (2022 count), of which roughly 18% are trucks.

How long is HWY 335 over Wild Horse Creek?

The structure is 101 ft (30.8 m) long with a longest span of 40 ft (12.2 m) and a deck 31 ft wide.

Who owns HWY 335 over Wild Horse Creek?

It is owned by the State Highway Agency.