Simms Cascade RD over Fort Shaw Canal 041
GoodCascade County, Montana · 2M SW Simms · Structure no. L07569001+08001
- Built
- 1938
- 87 years old, rebuilt 1972
- Condition
- Good
- inspected December 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 31 ft
- 1 main span
- Daily traffic
- 100
- 2025 count
- Owner
- County
- County Highway Agency
About this bridge
Simms Cascade RD over Fort Shaw Canal 041 is a steel stringer/multi-beam or girder carrying Simms Cascade RD over Fort Shaw Canal 041 in Cascade County, Montana. It was built in 1938 and reconstructed in 1972, so it is 87 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 31 ft (9.4 m) long and 26 ft wide. If it were closed, the detour would be 21.7 mi (35 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 | 7 Good | Some minor problems. |
| 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 Simms Cascade RD over Fort Shaw Canal 041 built?
It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1972.
What condition is Simms Cascade RD over Fort Shaw Canal 041 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 2023.
How much traffic does Simms Cascade RD over Fort Shaw Canal 041 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is Simms Cascade RD over Fort Shaw Canal 041?
The structure is 31 ft (9.4 m) long with a longest span of 29 ft (8.8 m) and a deck 26 ft wide.
Who owns Simms Cascade RD over Fort Shaw Canal 041?
It is owned by the County Highway Agency.