Carrigan LN over East Bench Canal 061
FairPosted for loadBeaverhead County, Montana · 4M E Barretts Int · Structure no. L01241003+04001
- Built
- 1962
- 63 years old
- Condition
- Fair
- inspected January 2025
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 69 ft
- 2 main spans
- Daily traffic
- 100
- 2025 count
- Owner
- County
- County Highway Agency
About this bridge
Carrigan LN over East Bench Canal 061 is a wood or timber stringer/multi-beam or girder carrying Carrigan LN over East Bench Canal 061 in Beaverhead County, Montana. It was built in 1962, so it is 63 years old, older 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.
It carries about 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 69 ft (21 m) long and 16 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 7 Good | Some minor problems. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Carrigan LN over East Bench Canal 061 built?
It was built in 1962, making it 63 years old in 2025.
What condition is Carrigan LN over East Bench Canal 061 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 January 2025.
How much traffic does Carrigan LN over East Bench Canal 061 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is Carrigan LN over East Bench Canal 061?
The structure is 69 ft (21 m) long with a longest span of 34 ft (10.5 m) and a deck 16 ft wide.
Who owns Carrigan LN over East Bench Canal 061?
It is owned by the County Highway Agency.