Non Maintained Trl over Bison Creek
FairJefferson County, Montana · 12M N Elk Park · Structure no. 000000202308068
- Built
- 1984
- 41 years old
- Condition
- Fair
- inspected June 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 41 ft
- 1 main span
- Daily traffic
- 100
- 2025 count
- Owner
- State
- State Highway Agency
About this bridge
Non Maintained Trl over Bison Creek is a prestressed concrete tee beam carrying Non Maintained Trl over Bison Creek in Jefferson County, Montana. It was built in 1984, so it is 41 years old, younger 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 41 ft (12.5 m) long and 15 ft wide.
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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Non Maintained Trl over Bison Creek built?
It was built in 1984, making it 41 years old in 2025.
What condition is Non Maintained Trl over Bison Creek 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 June 2023.
How much traffic does Non Maintained Trl over Bison Creek carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is Non Maintained Trl over Bison 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 Non Maintained Trl over Bison Creek?
It is owned by the State Highway Agency.