Main ST over North Fork Smith River
FairMeagher County, Montana · White Sulphur Springs · Structure no. S00360000+04001
- Built
- 1962
- 63 years old
- Condition
- Fair
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 30 ft
- 1 main span
- Daily traffic
- 575
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Main ST over North Fork Smith River is a wood or timber stringer/multi-beam or girder carrying Main ST over North Fork Smith River in Meagher County, Montana. It was built in 1962, so it is 63 years old, older than the Montana average of 47 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 575 vehicles a day, roughly 5% of them trucks, projected to reach 604 by 2043. The structure is 30 ft (9.1 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Main ST over North Fork Smith River built?
It was built in 1962, making it 63 years old in 2025.
What condition is Main ST over North Fork Smith River in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.
How much traffic does Main ST over North Fork Smith River carry?
About 575 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is Main ST over North Fork Smith River?
The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 34 ft wide.
Who owns Main ST over North Fork Smith River?
It is owned by the State Highway Agency.