N Poe Valley RD over Harpold Dam-Lost River
FairKlamath County, Oregon · .03 MI from Harpold Road · Structure no. 35C168097800003
- Built
- 1964
- 61 years old
- Condition
- Fair
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 85 ft
- 1 main span
- Daily traffic
- 371
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
N Poe Valley RD over Harpold Dam-Lost River is a wood or timber stringer/multi-beam or girder carrying N Poe Valley RD over Harpold Dam-Lost River in Klamath 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 371 vehicles a day, roughly 10% of them trucks, projected to reach 391 by 2025. The structure is 85 ft (25.9 m) long and 26 ft wide. If it were closed, the detour would be 11.8 mi (19 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 N Poe Valley RD over Harpold Dam-Lost River built?
It was built in 1964, making it 61 years old in 2025.
What condition is N Poe Valley RD over Harpold Dam-Lost River 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 March 2023.
How much traffic does N Poe Valley RD over Harpold Dam-Lost River carry?
About 371 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is N Poe Valley RD over Harpold Dam-Lost River?
The structure is 85 ft (25.9 m) long with a longest span of 81 ft (24.7 m) and a deck 26 ft wide.
Who owns N Poe Valley RD over Harpold Dam-Lost River?
It is owned by the County Highway Agency.