E Custer Ave over Helena Valley Canal
GoodLewis and Clark County, Montana · Helena-E Custer Ave · Structure no. U05802003+02961
- Built
- 2012
- 13 years old
- Condition
- Good
- inspected March 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 51 ft
- 1 main span
- Daily traffic
- 14,653
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
E Custer Ave over Helena Valley Canal is a prestressed concrete tee beam carrying E Custer Ave over Helena Valley Canal in Lewis and Clark County, Montana. It was built in 2012, so it is 13 years old, younger than the Montana average of 47 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 14,653 vehicles a day, roughly 2% of them trucks, projected to reach 15,386 by 2043. The structure is 51 ft (15.4 m) long and 87 ft wide. If it were closed, the detour would be 11.8 mi (19 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| 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 E Custer Ave over Helena Valley Canal built?
It was built in 2012, making it 13 years old in 2025.
What condition is E Custer Ave over Helena Valley Canal in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.
How much traffic does E Custer Ave over Helena Valley Canal carry?
About 14,653 vehicles per day (2023 count), of which roughly 2% are trucks.
How long is E Custer Ave over Helena Valley Canal?
The structure is 51 ft (15.4 m) long with a longest span of 48 ft (14.6 m) and a deck 87 ft wide.
Who owns E Custer Ave over Helena Valley Canal?
It is owned by the State Highway Agency.