Hart LN over Helena Valley Canal 088
FairPosted for loadLewis and Clark County, Montana · 4M NE East Helena · Structure no. L25004002+02001
- Built
- 1957
- 68 years old
- Condition
- Fair
- inspected November 2023
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 44 ft
- 2 main spans
- Daily traffic
- 111
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Hart LN over Helena Valley Canal 088 is a wood or timber stringer/multi-beam or girder carrying Hart LN over Helena Valley Canal 088 in Lewis and Clark County, Montana. It was built in 1957, so it is 68 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: posted for load restriction.
It carries about 111 vehicles a day, roughly 3% of them trucks, projected to reach 117 by 2043. The structure is 44 ft (13.4 m) long and 27 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 | 8 Very Good | No problems noted. |
| Superstructure | 7 Good | Some minor problems. |
| 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 Hart LN over Helena Valley Canal 088 built?
It was built in 1957, making it 68 years old in 2025.
What condition is Hart LN over Helena Valley Canal 088 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 November 2023.
How much traffic does Hart LN over Helena Valley Canal 088 carry?
About 111 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is Hart LN over Helena Valley Canal 088?
The structure is 44 ft (13.4 m) long with a longest span of 21 ft (6.4 m) and a deck 27 ft wide.
Who owns Hart LN over Helena Valley Canal 088?
It is owned by the County Highway Agency.