Rock Creek Road over Big Hole River 077
GoodBeaverhead County, Montana · 3M SW Wisdom · Structure no. 000000202102141
- Built
- 2021
- 4 years old
- Condition
- Good
- inspected November 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 97 ft
- 1 main span
- Daily traffic
- 100
- 2025 count
- Owner
- County
- County Highway Agency
About this bridge
Rock Creek Road over Big Hole River 077 is a steel stringer/multi-beam or girder carrying Rock Creek Road over Big Hole River 077 in Beaverhead County, Montana. It was built in 2021, so it is 4 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 97 ft (29.6 m) long and 25 ft wide. If it were closed, the detour would be 8.7 mi (14 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 |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| 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 Rock Creek Road over Big Hole River 077 built?
It was built in 2021, making it 4 years old in 2025.
What condition is Rock Creek Road over Big Hole River 077 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 November 2023.
How much traffic does Rock Creek Road over Big Hole River 077 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is Rock Creek Road over Big Hole River 077?
The structure is 97 ft (29.6 m) long with a longest span of 96 ft (29.3 m) and a deck 25 ft wide.
Who owns Rock Creek Road over Big Hole River 077?
It is owned by the County Highway Agency.