N Fort Shaw RD over Sun River 063
GoodCascade County, Montana · Fort Shaw · Structure no. L07006000+06001
- Built
- 1998
- 27 years old
- Condition
- Good
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 274 ft
- 3 main spans
- Daily traffic
- 100
- 2025 count
- Owner
- County
- County Highway Agency
About this bridge
N Fort Shaw RD over Sun River 063 is a prestressed concrete stringer/multi-beam or girder carrying N Fort Shaw RD over Sun River 063 in Cascade County, Montana. It was built in 1998, so it is 27 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 274 ft (83.5 m) long and 26 ft wide. If it were closed, the detour would be 24.9 mi (40 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 N Fort Shaw RD over Sun River 063 built?
It was built in 1998, making it 27 years old in 2025.
What condition is N Fort Shaw RD over Sun River 063 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 August 2023.
How much traffic does N Fort Shaw RD over Sun River 063 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is N Fort Shaw RD over Sun River 063?
The structure is 274 ft (83.5 m) long with a longest span of 92 ft (28 m) and a deck 26 ft wide.
Who owns N Fort Shaw RD over Sun River 063?
It is owned by the County Highway Agency.