Sawmill RD over Rock Creek 047
GoodPowell County, Montana · Garrison · Structure no. L39040000+06001
- Built
- 2006
- 19 years old
- Condition
- Good
- inspected December 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 62 ft
- 1 main span
- Daily traffic
- 100
- 2025 count
- Owner
- County
- County Highway Agency
About this bridge
Sawmill RD over Rock Creek 047 is a prestressed concrete stringer/multi-beam or girder carrying Sawmill RD over Rock Creek 047 in Powell County, Montana. It was built in 2006, so it is 19 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 62 ft (18.8 m) long and 30 ft wide. If it were closed, the detour would be 123.7 mi (199 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 Sawmill RD over Rock Creek 047 built?
It was built in 2006, making it 19 years old in 2025.
What condition is Sawmill RD over Rock Creek 047 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 December 2024.
How much traffic does Sawmill RD over Rock Creek 047 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is Sawmill RD over Rock Creek 047?
The structure is 62 ft (18.8 m) long with a longest span of 59 ft (18 m) and a deck 30 ft wide.
Who owns Sawmill RD over Rock Creek 047?
It is owned by the County Highway Agency.