IRR BIA RTE 64 over West Fork San Poil River
FairOkanogan County, Washington · 13 KM SW of Republic · Structure no. 00000000000P313
- Built
- 1962
- 63 years old
- Condition
- Fair
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Concrete
- Length
- 52 ft
- 2 main spans
- Daily traffic
- 75
- 2023 count
- Owner
- Federal
- Bureau of Indian Affairs
About this bridge
IRR BIA RTE 64 over West Fork San Poil River is a concrete stringer/multi-beam or girder carrying IRR BIA RTE 64 over West Fork San Poil River in Okanogan County, Washington. It was built in 1962, so it is 63 years old, older than the Washington average of 49.8 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 75 vehicles a day, roughly 15% of them trucks, projected to reach 150 by 2043. The structure is 52 ft (15.8 m) long and 16 ft wide. If it were closed, the detour would be 14.9 mi (24 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IRR BIA RTE 64 over West Fork San Poil River built?
It was built in 1962, making it 63 years old in 2025.
What condition is IRR BIA RTE 64 over West Fork San Poil 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 June 2023.
How much traffic does IRR BIA RTE 64 over West Fork San Poil River carry?
About 75 vehicles per day (2023 count), of which roughly 15% are trucks.
How long is IRR BIA RTE 64 over West Fork San Poil River?
The structure is 52 ft (15.8 m) long with a longest span of 25 ft (7.6 m) and a deck 16 ft wide.
Who owns IRR BIA RTE 64 over West Fork San Poil River?
It is owned by the Bureau of Indian Affairs.