Signal Butte RD over T and Y Canal 074
FairCuster County, Montana · 3M SE Miles City · Structure no. L09247000+01001
- Built
- 2001
- 24 years old
- Condition
- Fair
- inspected February 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 25 ft
- 1 main span
- Daily traffic
- 100
- 2025 count
- Owner
- County
- County Highway Agency
About this bridge
Signal Butte RD over T and Y Canal 074 is a steel stringer/multi-beam or girder carrying Signal Butte RD over T and Y Canal 074 in Custer County, Montana. It was built in 2001, so it is 24 years old, younger than the Montana average of 47 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 25 ft (7.5 m) long and 23 ft wide. If it were closed, the detour would be 123.7 mi (199 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Signal Butte RD over T and Y Canal 074 built?
It was built in 2001, making it 24 years old in 2025.
What condition is Signal Butte RD over T and Y Canal 074 in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2024.
How much traffic does Signal Butte RD over T and Y Canal 074 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is Signal Butte RD over T and Y Canal 074?
The structure is 25 ft (7.5 m) long with a longest span of 23 ft (7 m) and a deck 23 ft wide.
Who owns Signal Butte RD over T and Y Canal 074?
It is owned by the County Highway Agency.