Little Blackfoot R over Little Blackfoot R 021
FairPowell County, Montana · 3M S Elliston · Structure no. L39005002+09001
- Built
- 1976
- 49 years old
- Condition
- Fair
- inspected October 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 24 ft
- 1 main span
- Daily traffic
- 100
- 2025 count
- Owner
- County
- County Highway Agency
About this bridge
Little Blackfoot R over Little Blackfoot R 021 is a prestressed concrete tee beam carrying Little Blackfoot R over Little Blackfoot R 021 in Powell County, Montana. It was built in 1976, so it is 49 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 5 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 24 ft (7.3 m) long and 20 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Little Blackfoot R over Little Blackfoot R 021 built?
It was built in 1976, making it 49 years old in 2025.
What condition is Little Blackfoot R over Little Blackfoot R 021 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 October 2023.
How much traffic does Little Blackfoot R over Little Blackfoot R 021 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is Little Blackfoot R over Little Blackfoot R 021?
The structure is 24 ft (7.3 m) long with a longest span of 23 ft (7 m) and a deck 20 ft wide.
Who owns Little Blackfoot R over Little Blackfoot R 021?
It is owned by the County Highway Agency.