RD 4724 over S Fk Miller CR
GoodLincoln County, Montana · South Fork Miller Creek · Structure no. 011405000000069
- Built
- 1978
- 47 years old
- Condition
- Good
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 25 ft
- 1 main span
- Daily traffic
- 50
- Owner
- Federal
- U.S. Forest Service
About this bridge
RD 4724 over S Fk Miller CR is a wood or timber stringer/multi-beam or girder carrying RD 4724 over S Fk Miller CR in Lincoln County, Montana. It was built in 1978, so it is 47 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 50 vehicles a day, projected to reach 75 by 2045. The structure is 25 ft (7.5 m) long and 16 ft wide. If it were closed, the detour would be 98.2 mi (158 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| 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 RD 4724 over S Fk Miller CR built?
It was built in 1978, making it 47 years old in 2025.
What condition is RD 4724 over S Fk Miller CR 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 July 2024.
How much traffic does RD 4724 over S Fk Miller CR carry?
About 50 vehicles per day (latest count).
How long is RD 4724 over S Fk Miller CR?
The structure is 25 ft (7.5 m) long with a longest span of 23 ft (7 m) and a deck 16 ft wide.
Who owns RD 4724 over S Fk Miller CR?
It is owned by the U.S. Forest Service.