US 93 over Rock Creek
GoodRavalli County, Montana · 4M N Darby · Structure no. P00007034+09841
- Built
- 1990
- 35 years old
- Condition
- Good
- inspected January 2025
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 101 ft
- 1 main span
- Daily traffic
- 4,628
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 93 over Rock Creek is a prestressed concrete stringer/multi-beam or girder carrying US 93 over Rock Creek in Ravalli 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 4,628 vehicles a day, roughly 1% of them trucks, projected to reach 4,859 by 2043. The structure is 101 ft (30.8 m) long and 42 ft wide. If it were closed, the detour would be 78.3 mi (126 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 93 over Rock Creek built?
It was built in 1990, making it 35 years old in 2025.
What condition is US 93 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 January 2025.
How much traffic does US 93 over Rock Creek carry?
About 4,628 vehicles per day (2023 count), of which roughly 1% are trucks.
How long is US 93 over Rock Creek?
The structure is 101 ft (30.8 m) long with a longest span of 100 ft (30.5 m) and a deck 42 ft wide.
Who owns US 93 over Rock Creek?
It is owned by the State Highway Agency.