Applegate DR over Helena Valley Canal 115
FairLewis and Clark County, Montana · 6M NW Helena · Structure no. L25655000+06001
- Built
- 1958
- 67 years old, rebuilt 1996
- Condition
- Fair
- inspected February 2025
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 28 ft
- 1 main span
- Daily traffic
- 1,535
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Applegate DR over Helena Valley Canal 115 is a wood or timber stringer/multi-beam or girder carrying Applegate DR over Helena Valley Canal 115 in Lewis and Clark County, Montana. It was built in 1958 and reconstructed in 1996, so it is 67 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 6 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: open, posting recommended but not legally implemented.
It carries about 1,535 vehicles a day, roughly 3% of them trucks, projected to reach 1,635 by 2043. The structure is 28 ft (8.5 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 8 Very Good | No problems noted. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Applegate DR over Helena Valley Canal 115 built?
It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1996.
What condition is Applegate DR over Helena Valley Canal 115 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 2025.
How much traffic does Applegate DR over Helena Valley Canal 115 carry?
About 1,535 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is Applegate DR over Helena Valley Canal 115?
The structure is 28 ft (8.5 m) long with a longest span of 26 ft (7.9 m) and a deck 31 ft wide.
Who owns Applegate DR over Helena Valley Canal 115?
It is owned by the County Highway Agency.