4445 Kootenai Mtn over Obrien Creek
GoodLincoln County, Montana · .2 Miles from JCT W/331 · Structure no. 011404000000147
- Built
- 1966
- 59 years old
- Condition
- Good
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 41 ft
- 1 main span
- Daily traffic
- 20
- 1994 count
- Owner
- Federal
- U.S. Forest Service
About this bridge
4445 Kootenai Mtn over Obrien Creek is a wood or timber stringer/multi-beam or girder carrying 4445 Kootenai Mtn over Obrien Creek in Lincoln County, Montana. It was built in 1966, so it is 59 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 20 vehicles a day, projected to reach 30 by 2045. The structure is 41 ft (12.5 m) long and 15 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 4445 Kootenai Mtn over Obrien Creek built?
It was built in 1966, making it 59 years old in 2025.
What condition is 4445 Kootenai Mtn over Obrien Creek 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 2024.
How much traffic does 4445 Kootenai Mtn over Obrien Creek carry?
About 20 vehicles per day (1994 count).
How long is 4445 Kootenai Mtn over Obrien Creek?
The structure is 41 ft (12.5 m) long with a longest span of 39 ft (11.9 m) and a deck 15 ft wide.
Who owns 4445 Kootenai Mtn over Obrien Creek?
It is owned by the U.S. Forest Service.