IRR BIA RTE 74 over Little Nespelem River
FairPosted for loadOkanogan County, Washington · 8.1 KM E of Colville Agcy · Structure no. 00000000000P337
- Built
- 1994
- 31 years old
- Condition
- Fair
- inspected June 2023
- Type
- Culvert
- Steel
- Length
- 28 ft
- 2 main spans
- Daily traffic
- 10
- 2023 count
- Owner
- Federal
- Bureau of Indian Affairs
About this bridge
IRR BIA RTE 74 over Little Nespelem River is a steel culvert carrying IRR BIA RTE 74 over Little Nespelem River in Okanogan County, Washington. It was built in 1994, so it is 31 years old, younger 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. Its operating status is: posted for load restriction.
It carries about 10 vehicles a day, roughly 10% of them trucks, projected to reach 20 by 2043. The structure is 28 ft (8.5 m) long and 11 ft wide. If it were closed, the detour would be 123.7 mi (199 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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IRR BIA RTE 74 over Little Nespelem River built?
It was built in 1994, making it 31 years old in 2025.
What condition is IRR BIA RTE 74 over Little Nespelem 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 74 over Little Nespelem River carry?
About 10 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is IRR BIA RTE 74 over Little Nespelem River?
The structure is 28 ft (8.5 m) long with a longest span of 11 ft (3.4 m) and a deck 11 ft wide.
Who owns IRR BIA RTE 74 over Little Nespelem River?
It is owned by the Bureau of Indian Affairs.