Red Rock RD over Limekiln Canyon 022
PoorBeaverhead County, Montana · 7M NW Dell · Structure no. L01309016+03001
- Built
- 1931
- 94 years old
- Condition
- Poor
- inspected September 2023
- Type
- Slab
- Concrete
- Length
- 23 ft
- 1 main span
- Daily traffic
- 60
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Red Rock RD over Limekiln Canyon 022 is a concrete slab carrying Red Rock RD over Limekiln Canyon 022 in Beaverhead County, Montana. It was built in 1931, so it is 94 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 60 vehicles a day, roughly 3% of them trucks, projected to reach 64 by 2043. The structure is 23 ft (6.9 m) long and 25 ft wide. If it were closed, the detour would be 14.9 mi (24 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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 Red Rock RD over Limekiln Canyon 022 built?
It was built in 1931, making it 94 years old in 2025.
What condition is Red Rock RD over Limekiln Canyon 022 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 September 2023.
How much traffic does Red Rock RD over Limekiln Canyon 022 carry?
About 60 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is Red Rock RD over Limekiln Canyon 022?
The structure is 23 ft (6.9 m) long with a longest span of 20 ft (6.2 m) and a deck 25 ft wide.
Who owns Red Rock RD over Limekiln Canyon 022?
It is owned by the State Highway Agency.