Route 471 over Seventeen Mile Creek
GoodLincoln County, Montana · No Data Entered · Structure no. 011204000022668
- Built
- 2012
- 13 years old
- Condition
- Good
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 44 ft
- 1 main span
- Daily traffic
- 40
- Owner
- Federal
- U.S. Forest Service
About this bridge
Route 471 over Seventeen Mile Creek is a prestressed concrete stringer/multi-beam or girder carrying Route 471 over Seventeen Mile Creek in Lincoln County, Montana. It was built in 2012, so it is 13 years old, younger than the Montana average of 47 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 40 vehicles a day, projected to reach 60 by 2045. The structure is 44 ft (13.4 m) long and 16 ft wide. If it were closed, the detour would be 620.7 mi (999 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Route 471 over Seventeen Mile Creek built?
It was built in 2012, making it 13 years old in 2025.
What condition is Route 471 over Seventeen Mile Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.
How much traffic does Route 471 over Seventeen Mile Creek carry?
About 40 vehicles per day (latest count).
How long is Route 471 over Seventeen Mile Creek?
The structure is 44 ft (13.4 m) long with a longest span of 42 ft (12.8 m) and a deck 16 ft wide.
Who owns Route 471 over Seventeen Mile Creek?
It is owned by the U.S. Forest Service.