Halliday B-493 over Malheur River
GoodMalheur County, Oregon · 015 N Inter HWY 2026 · Structure no. 15568A088000557
- Built
- 1967
- 58 years old
- Condition
- Good
- inspected October 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 218 ft
- 3 main spans
- Daily traffic
- 663
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Halliday B-493 over Malheur River is a prestressed concrete stringer/multi-beam or girder carrying Halliday B-493 over Malheur River in Malheur County, Oregon. It was built in 1967, so it is 58 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.
It carries about 663 vehicles a day, roughly 10% of them trucks, projected to reach 763 by 2025. The structure is 218 ft (66.4 m) long and 31 ft wide. If it were closed, the detour would be 6.2 mi (10 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 Halliday B-493 over Malheur River built?
It was built in 1967, making it 58 years old in 2025.
What condition is Halliday B-493 over Malheur River 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 Halliday B-493 over Malheur River carry?
About 663 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is Halliday B-493 over Malheur River?
The structure is 218 ft (66.4 m) long with a longest span of 90 ft (27.4 m) and a deck 31 ft wide.
Who owns Halliday B-493 over Malheur River?
It is owned by the County Highway Agency.