US 2 over Main Irrigation Canal
GoodBlaine County, Montana · Harlem · Structure no. P00001425+06901
- Built
- 1968
- 57 years old
- Condition
- Good
- inspected October 2023
- Type
- Slab
- Concrete
- Length
- 25 ft
- 1 main span
- Daily traffic
- 3,311
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 2 over Main Irrigation Canal is a concrete slab carrying US 2 over Main Irrigation Canal in Blaine County, Montana. It was built in 1968, so it is 57 years old, older 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 3,311 vehicles a day, roughly 4% of them trucks, projected to reach 3,477 by 2043. The structure is 25 ft (7.6 m) long and 43 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 8 Very Good | No problems noted. |
| 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 US 2 over Main Irrigation Canal built?
It was built in 1968, making it 57 years old in 2025.
What condition is US 2 over Main Irrigation 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 October 2023.
How much traffic does US 2 over Main Irrigation Canal carry?
About 3,311 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is US 2 over Main Irrigation Canal?
The structure is 25 ft (7.6 m) long with a longest span of 25 ft (7.6 m) and a deck 43 ft wide.
Who owns US 2 over Main Irrigation Canal?
It is owned by the State Highway Agency.