Whitney CR RD over O`fallon Creek
GoodCuster County, Montana · Ismay-Whitney CR RD · Structure no. S00320005+03001
- Built
- 1990
- 35 years old
- Condition
- Good
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 190 ft
- 3 main spans
- Daily traffic
- 31
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Whitney CR RD over O`fallon Creek is a prestressed concrete stringer/multi-beam or girder carrying Whitney CR RD over O`fallon Creek in Custer County, Montana. It was built in 1990, so it is 35 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 31 vehicles a day, roughly 16% of them trucks, projected to reach 33 by 2043. The structure is 190 ft (57.8 m) long and 30 ft wide. If it were closed, the detour would be 24.9 mi (40 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 Whitney CR RD over O`fallon Creek built?
It was built in 1990, making it 35 years old in 2025.
What condition is Whitney CR RD over O`fallon 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 April 2023.
How much traffic does Whitney CR RD over O`fallon Creek carry?
About 31 vehicles per day (2023 count), of which roughly 16% are trucks.
How long is Whitney CR RD over O`fallon Creek?
The structure is 190 ft (57.8 m) long with a longest span of 71 ft (21.6 m) and a deck 30 ft wide.
Who owns Whitney CR RD over O`fallon Creek?
It is owned by the County Highway Agency.