NF-581 over S Fork Musselshell 026
GoodMeagher County, Montana · Lennep · Structure no. L30086000+01001
- Built
- 1987
- 38 years old
- Condition
- Good
- inspected April 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 62 ft
- 1 main span
- Daily traffic
- 100
- 2025 count
- Owner
- County
- County Highway Agency
About this bridge
NF-581 over S Fork Musselshell 026 is a prestressed concrete tee beam carrying NF-581 over S Fork Musselshell 026 in Meagher County, Montana. It was built in 1987, so it is 38 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 62 ft (18.9 m) long and 26 ft wide. If it were closed, the detour would be 29.8 mi (48 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 NF-581 over S Fork Musselshell 026 built?
It was built in 1987, making it 38 years old in 2025.
What condition is NF-581 over S Fork Musselshell 026 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 April 2024.
How much traffic does NF-581 over S Fork Musselshell 026 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is NF-581 over S Fork Musselshell 026?
The structure is 62 ft (18.9 m) long with a longest span of 60 ft (18.3 m) and a deck 26 ft wide.
Who owns NF-581 over S Fork Musselshell 026?
It is owned by the County Highway Agency.