IRR BIA RTE 27 over Spokane River Spillway
FairLincoln County, Washington · Beside Little Falls Dam · Structure no. 00000000000P202
- Built
- 1973
- 52 years old
- Condition
- Fair
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 282 ft
- 3 main spans
- Daily traffic
- 400
- 2023 count
- Owner
- Federal
- Bureau of Indian Affairs
About this bridge
IRR BIA RTE 27 over Spokane River Spillway is a prestressed concrete stringer/multi-beam or girder carrying IRR BIA RTE 27 over Spokane River Spillway in Lincoln County, Washington. It was built in 1973, so it is 52 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 6 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 400 vehicles a day, roughly 10% of them trucks, projected to reach 800 by 2043. The structure is 282 ft (86.1 m) long and 33 ft wide. If it were closed, the detour would be 6.8 mi (11 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 | 8 Very Good | No problems noted. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IRR BIA RTE 27 over Spokane River Spillway built?
It was built in 1973, making it 52 years old in 2025.
What condition is IRR BIA RTE 27 over Spokane River Spillway 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 27 over Spokane River Spillway carry?
About 400 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is IRR BIA RTE 27 over Spokane River Spillway?
The structure is 282 ft (86.1 m) long with a longest span of 100 ft (30.5 m) and a deck 33 ft wide.
Who owns IRR BIA RTE 27 over Spokane River Spillway?
It is owned by the Bureau of Indian Affairs.