473 Keeler/Rattle over N F Keeler CR
FairLincoln County, Montana · Just Past JCT With 404 · Structure no. 011404000000165
- Built
- 1976
- 49 years old
- Condition
- Fair
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 55 ft
- 1 main span
- Daily traffic
- 25
- 1994 count
- Owner
- Federal
- U.S. Forest Service
About this bridge
473 Keeler/Rattle over N F Keeler CR is a prestressed concrete stringer/multi-beam or girder carrying 473 Keeler/Rattle over N F Keeler CR in Lincoln County, Montana. It was built in 1976, so it is 49 years old, older than the Montana average of 47 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 25 vehicles a day, projected to reach 37 by 2045. The structure is 55 ft (16.8 m) long and 16 ft wide. If it were closed, the detour would be 49.7 mi (80 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 | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 473 Keeler/Rattle over N F Keeler CR built?
It was built in 1976, making it 49 years old in 2025.
What condition is 473 Keeler/Rattle over N F Keeler CR 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 September 2024.
How much traffic does 473 Keeler/Rattle over N F Keeler CR carry?
About 25 vehicles per day (1994 count).
How long is 473 Keeler/Rattle over N F Keeler CR?
The structure is 55 ft (16.8 m) long with a longest span of 51 ft (15.5 m) and a deck 16 ft wide.
Who owns 473 Keeler/Rattle over N F Keeler CR?
It is owned by the U.S. Forest Service.