Bishop Creek RD over Shonkin Creek 016
FairPosted for loadChouteau County, Montana · 8M S Shonkin · Structure no. L08235000+01001
- Built
- 1930
- 95 years old, rebuilt 1974
- Condition
- Fair
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 25 ft
- 1 main span
- Daily traffic
- 100
- 2025 count
- Owner
- County
- County Highway Agency
About this bridge
Bishop Creek RD over Shonkin Creek 016 is a wood or timber stringer/multi-beam or girder carrying Bishop Creek RD over Shonkin Creek 016 in Chouteau County, Montana. It was built in 1930 and reconstructed in 1974, so it is 95 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. Its operating status is: posted for load restriction.
It carries about 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 25 ft (7.6 m) long and 20 ft wide. If it were closed, the detour would be 42.3 mi (68 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Bishop Creek RD over Shonkin Creek 016 built?
It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1974.
What condition is Bishop Creek RD over Shonkin Creek 016 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 August 2023.
How much traffic does Bishop Creek RD over Shonkin Creek 016 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is Bishop Creek RD over Shonkin Creek 016?
The structure is 25 ft (7.6 m) long with a longest span of 24 ft (7.2 m) and a deck 20 ft wide.
Who owns Bishop Creek RD over Shonkin Creek 016?
It is owned by the County Highway Agency.