Stillwater Riv RD over W Fork Stillwater River
GoodStillwater County, Montana · 1M N Nye · Structure no. S00419021+04001
- Built
- 2003
- 22 years old
- Condition
- Good
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 79 ft
- 1 main span
- Daily traffic
- 598
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Stillwater Riv RD over W Fork Stillwater River is a prestressed concrete stringer/multi-beam or girder carrying Stillwater Riv RD over W Fork Stillwater River in Stillwater County, Montana. It was built in 2003, so it is 22 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 598 vehicles a day, roughly 8% of them trucks, projected to reach 628 by 2043. The structure is 79 ft (24 m) long and 32 ft wide. If it were closed, the detour would be 44.7 mi (72 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 | 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 Stillwater Riv RD over W Fork Stillwater River built?
It was built in 2003, making it 22 years old in 2025.
What condition is Stillwater Riv RD over W Fork Stillwater River 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 June 2023.
How much traffic does Stillwater Riv RD over W Fork Stillwater River carry?
About 598 vehicles per day (2023 count), of which roughly 8% are trucks.
How long is Stillwater Riv RD over W Fork Stillwater River?
The structure is 79 ft (24 m) long with a longest span of 79 ft (24 m) and a deck 32 ft wide.
Who owns Stillwater Riv RD over W Fork Stillwater River?
It is owned by the State Highway Agency.