N Old Stage RD over Rock Creek 078
GoodPowell County, Montana · 5M NW Deer Lodge · Structure no. L39017001+07001
- Built
- 2007
- 18 years old
- Condition
- Good
- inspected July 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 36 ft
- 1 main span
- Daily traffic
- 100
- 2025 count
- Owner
- County
- County Highway Agency
About this bridge
N Old Stage RD over Rock Creek 078 is a prestressed concrete tee beam carrying N Old Stage RD over Rock Creek 078 in Powell County, Montana. It was built in 2007, so it is 18 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 36 ft (11.1 m) long and 26 ft wide. If it were closed, the detour would be 60.3 mi (97 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 N Old Stage RD over Rock Creek 078 built?
It was built in 2007, making it 18 years old in 2025.
What condition is N Old Stage RD over Rock Creek 078 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 2023.
How much traffic does N Old Stage RD over Rock Creek 078 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is N Old Stage RD over Rock Creek 078?
The structure is 36 ft (11.1 m) long with a longest span of 35 ft (10.7 m) and a deck 26 ft wide.
Who owns N Old Stage RD over Rock Creek 078?
It is owned by the County Highway Agency.