Alberta B489 over Owyhe Canal
FairMalheur County, Oregon · 003 W Inter Clark Blvd · Structure no. 15472A076800114
- Built
- 1969
- 56 years old
- Condition
- Fair
- inspected October 2023
- Type
- Channel Beam
- Prestressed Concrete
- Length
- 28 ft
- 1 main span
- Daily traffic
- 1,045
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Alberta B489 over Owyhe Canal is a prestressed concrete channel beam carrying Alberta B489 over Owyhe Canal in Malheur County, Oregon. It was built in 1969, so it is 56 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: open, posting recommended but not legally implemented.
It carries about 1,045 vehicles a day, roughly 10% of them trucks, projected to reach 1,205 by 2025. The structure is 28 ft (8.5 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Alberta B489 over Owyhe Canal built?
It was built in 1969, making it 56 years old in 2025.
What condition is Alberta B489 over Owyhe Canal 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 Alberta B489 over Owyhe Canal carry?
About 1,045 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is Alberta B489 over Owyhe Canal?
The structure is 28 ft (8.5 m) long with a longest span of 27 ft (8.2 m) and a deck 31 ft wide.
Who owns Alberta B489 over Owyhe Canal?
It is owned by the County Highway Agency.