Old Yellowstone TR over Rock Creek
GoodPark County, Montana · 18 M NW Gardiner · Structure no. 000000201907098
- Built
- 2018
- 7 years old
- Condition
- Good
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 52 ft
- 1 main span
- Daily traffic
- 100
- 2025 count
- Owner
- County
- County Highway Agency
About this bridge
Old Yellowstone TR over Rock Creek is a prestressed concrete stringer/multi-beam or girder carrying Old Yellowstone TR over Rock Creek in Park County, Montana. It was built in 2018, so it is 7 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 7 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 52 ft (15.8 m) long and 28 ft wide. If it were closed, the detour would be 9.9 mi (16 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 | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Old Yellowstone TR over Rock Creek built?
It was built in 2018, making it 7 years old in 2025.
What condition is Old Yellowstone TR over Rock Creek 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 July 2023.
How much traffic does Old Yellowstone TR over Rock Creek carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is Old Yellowstone TR over Rock Creek?
The structure is 52 ft (15.8 m) long with a longest span of 40 ft (12.2 m) and a deck 28 ft wide.
Who owns Old Yellowstone TR over Rock Creek?
It is owned by the County Highway Agency.