Enterprise B488 over Owyhee Canal
GoodPosted for loadMalheur County, Oregon · 004 W Inter Succor CR Hy · Structure no. 45C215066200352
- Built
- 1964
- 61 years old
- Condition
- Good
- inspected October 2023
- Type
- Channel Beam
- Prestressed Concrete
- Length
- 25 ft
- 1 main span
- Daily traffic
- 769
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Enterprise B488 over Owyhee Canal is a prestressed concrete channel beam carrying Enterprise B488 over Owyhee Canal in Malheur County, Oregon. It was built in 1964, so it is 61 years old, older than the Oregon average of 49.9 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.
It carries about 769 vehicles a day, roughly 10% of them trucks, projected to reach 884 by 2025. The structure is 25 ft (7.6 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| 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 Enterprise B488 over Owyhee Canal built?
It was built in 1964, making it 61 years old in 2025.
What condition is Enterprise B488 over Owyhee Canal in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.
How much traffic does Enterprise B488 over Owyhee Canal carry?
About 769 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is Enterprise B488 over Owyhee Canal?
The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 30 ft wide.
Who owns Enterprise B488 over Owyhee Canal?
It is owned by the County Highway Agency.