Greenhouse RD over Dempsey Creek
GoodPowell County, Montana · 5M S Deer Lodge · Structure no. 000000202008010
- Built
- 2000
- 25 years old
- Condition
- Good
- inspected June 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 22 ft
- 1 main span
- Daily traffic
- 23
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Greenhouse RD over Dempsey Creek is a prestressed concrete slab carrying Greenhouse RD over Dempsey Creek in Powell County, Montana. It was built in 2000, so it is 25 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 23 vehicles a day, roughly 3% of them trucks, projected to reach 25 by 2043. The structure is 22 ft (6.6 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 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 Greenhouse RD over Dempsey Creek built?
It was built in 2000, making it 25 years old in 2025.
What condition is Greenhouse RD over Dempsey 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 June 2024.
How much traffic does Greenhouse RD over Dempsey Creek carry?
About 23 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is Greenhouse RD over Dempsey Creek?
The structure is 22 ft (6.6 m) long with a longest span of 20 ft (6.2 m) and a deck 22 ft wide.
Who owns Greenhouse RD over Dempsey Creek?
It is owned by the County Highway Agency.