Porcupine Butte RD over American Fork Creek 002
FairWheatland County, Montana · 12M S Two DOT · Structure no. L54017001+04001
- Built
- 1960
- 65 years old, rebuilt 2006
- Condition
- Fair
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 44 ft
- 2 main spans
- Daily traffic
- 100
- 2025 count
- Owner
- County
- County Highway Agency
About this bridge
Porcupine Butte RD over American Fork Creek 002 is a wood or timber stringer/multi-beam or girder carrying Porcupine Butte RD over American Fork Creek 002 in Wheatland County, Montana. It was built in 1960 and reconstructed in 2006, so it is 65 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 44 ft (13.4 m) long and 22 ft wide. If it were closed, the detour would be 28 mi (45 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Porcupine Butte RD over American Fork Creek 002 built?
It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2006.
What condition is Porcupine Butte RD over American Fork Creek 002 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 September 2024.
How much traffic does Porcupine Butte RD over American Fork Creek 002 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is Porcupine Butte RD over American Fork Creek 002?
The structure is 44 ft (13.4 m) long with a longest span of 22 ft (6.7 m) and a deck 22 ft wide.
Who owns Porcupine Butte RD over American Fork Creek 002?
It is owned by the County Highway Agency.