Wylie DR over Helena Valley Canal 081
FairLewis and Clark County, Montana · 2M N East Helena · Structure no. L25009002+01001
- Built
- 1958
- 67 years old, rebuilt 1998
- Condition
- Fair
- inspected December 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 43 ft
- 1 main span
- Daily traffic
- 5,482
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Wylie DR over Helena Valley Canal 081 is a prestressed concrete tee beam carrying Wylie DR over Helena Valley Canal 081 in Lewis and Clark County, Montana. It was built in 1958 and reconstructed in 1998, 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.
It carries about 5,482 vehicles a day, roughly 4% of them trucks, projected to reach 5,756 by 2043. The structure is 43 ft (13.2 m) long and 30 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 8 Very Good | No problems noted. |
| 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 Wylie DR over Helena Valley Canal 081 built?
It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1998.
What condition is Wylie DR over Helena Valley Canal 081 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 December 2024.
How much traffic does Wylie DR over Helena Valley Canal 081 carry?
About 5,482 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is Wylie DR over Helena Valley Canal 081?
The structure is 43 ft (13.2 m) long with a longest span of 43 ft (13.1 m) and a deck 30 ft wide.
Who owns Wylie DR over Helena Valley Canal 081?
It is owned by the County Highway Agency.