S Frontage RD 011 over Dempsey Creek 059
PoorPowell County, Montana · 5M S Deer Lodge · Structure no. L39242004+03001
- Built
- 1930
- 95 years old, rebuilt 1941
- Condition
- Poor
- inspected May 2024
- Type
- Slab
- Concrete
- Length
- 64 ft
- 3 main spans
- Daily traffic
- 916
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S Frontage RD 011 over Dempsey Creek 059 is a concrete slab carrying S Frontage RD 011 over Dempsey Creek 059 in Powell County, Montana. It was built in 1930 and reconstructed in 1941, so it is 95 years old, older than the Montana average of 47 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 916 vehicles a day, roughly 2% of them trucks, projected to reach 980 by 2043. The structure is 64 ft (19.5 m) long and 33 ft wide. If it were closed, the detour would be 8.7 mi (14 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S Frontage RD 011 over Dempsey Creek 059 built?
It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1941.
What condition is S Frontage RD 011 over Dempsey Creek 059 in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.
How much traffic does S Frontage RD 011 over Dempsey Creek 059 carry?
About 916 vehicles per day (2023 count), of which roughly 2% are trucks.
How long is S Frontage RD 011 over Dempsey Creek 059?
The structure is 64 ft (19.5 m) long with a longest span of 21 ft (6.4 m) and a deck 33 ft wide.
Who owns S Frontage RD 011 over Dempsey Creek 059?
It is owned by the State Highway Agency.