US 95 (hwy 456) over Cow Creek
FairPosted for loadMalheur County, Oregon · 11.0 Mi. SW Idaho ST Line · Structure no. 05225A456 01098
- Built
- 1944
- 81 years old, rebuilt 1975
- Condition
- Fair
- inspected October 2023
- Type
- Tee Beam
- Concrete Continuous
- Length
- 86 ft
- 4 main spans
- Daily traffic
- 2,053
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 95 (hwy 456) over Cow Creek is a concrete continuous tee beam carrying US 95 (hwy 456) over Cow Creek in Malheur County, Oregon. It was built in 1944 and reconstructed in 1975, so it is 81 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 other load-capacity restriction.
It carries about 2,053 vehicles a day, roughly 52% of them trucks, projected to reach 2,500 by 2042. The structure is 86 ft (26.2 m) long and 29 ft wide. If it were closed, the detour would be 123.7 mi (199 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 95 (hwy 456) over Cow Creek built?
It was built in 1944, making it 81 years old in 2025. It was reconstructed in 1975.
What condition is US 95 (hwy 456) over Cow 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 October 2023.
How much traffic does US 95 (hwy 456) over Cow Creek carry?
About 2,053 vehicles per day (2022 count), of which roughly 52% are trucks.
How long is US 95 (hwy 456) over Cow Creek?
The structure is 86 ft (26.2 m) long with a longest span of 32 ft (9.8 m) and a deck 29 ft wide.
Who owns US 95 (hwy 456) over Cow Creek?
It is owned by the State Highway Agency.