HARPER-WESTFALC805 over Malheur River
GoodMalheur County, Oregon · 0.3 M N HWY 20 · Structure no. 15482A080501221
- Built
- 1969
- 56 years old
- Condition
- Good
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 244 ft
- 3 main spans
- Daily traffic
- 445
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
HARPER-WESTFALC805 over Malheur River is a prestressed concrete stringer/multi-beam or girder carrying HARPER-WESTFALC805 over Malheur River 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 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 445 vehicles a day, roughly 20% of them trucks, projected to reach 515 by 2025. The structure is 244 ft (74.4 m) long and 30 ft wide. If it were closed, the detour would be 78.3 mi (126 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 | 8 Very Good | No problems noted. |
| 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 HARPER-WESTFALC805 over Malheur River built?
It was built in 1969, making it 56 years old in 2025.
What condition is HARPER-WESTFALC805 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 September 2023.
How much traffic does HARPER-WESTFALC805 over Malheur River carry?
About 445 vehicles per day (2020 count), of which roughly 20% are trucks.
How long is HARPER-WESTFALC805 over Malheur River?
The structure is 244 ft (74.4 m) long with a longest span of 81 ft (24.8 m) and a deck 30 ft wide.
Who owns HARPER-WESTFALC805 over Malheur River?
It is owned by the County Highway Agency.