County Road 356 over Usbr Main Canal 006
GoodRichland County, Montana · 9M SW Savage · Structure no. L42356000+02001
- Built
- 1994
- 31 years old
- Condition
- Good
- inspected December 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 68 ft
- 1 main span
- Daily traffic
- 100
- 2025 count
- Owner
- County
- County Highway Agency
About this bridge
County Road 356 over Usbr Main Canal 006 is a prestressed concrete tee beam carrying County Road 356 over Usbr Main Canal 006 in Richland County, Montana. It was built in 1994, so it is 31 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 68 ft (20.7 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 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 | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was County Road 356 over Usbr Main Canal 006 built?
It was built in 1994, making it 31 years old in 2025.
What condition is County Road 356 over Usbr Main Canal 006 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 December 2024.
How much traffic does County Road 356 over Usbr Main Canal 006 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is County Road 356 over Usbr Main Canal 006?
The structure is 68 ft (20.7 m) long with a longest span of 65 ft (19.8 m) and a deck 26 ft wide.
Who owns County Road 356 over Usbr Main Canal 006?
It is owned by the County Highway Agency.