Black Jack RD over Sage Creek 001
GoodLiberty County, Montana · 14M E Whitlash · Structure no. L26238001+08001
- Built
- 2006
- 19 years old
- Condition
- Good
- inspected December 2023
- Type
- Culvert
- Concrete
- Length
- 22 ft
- 2 main spans
- Daily traffic
- 100
- 2025 count
- Owner
- County
- County Highway Agency
About this bridge
Black Jack RD over Sage Creek 001 is a concrete culvert carrying Black Jack RD over Sage Creek 001 in Liberty County, Montana. It was built in 2006, so it is 19 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 8 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 22 ft (6.6 m) long. If it were closed, the detour would be 31.7 mi (51 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Black Jack RD over Sage Creek 001 built?
It was built in 2006, making it 19 years old in 2025.
What condition is Black Jack RD over Sage Creek 001 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 December 2023.
How much traffic does Black Jack RD over Sage Creek 001 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is Black Jack RD over Sage Creek 001?
The structure is 22 ft (6.6 m) long with a longest span of 10 ft (3 m).
Who owns Black Jack RD over Sage Creek 001?
It is owned by the County Highway Agency.