No Data Entered over Rock CR
PoorRavalli County, Montana · No Data Entered · Structure no. 010302000000039
- Built
- 1970
- 55 years old
- Condition
- Poor
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 46 ft
- 1 main span
- Daily traffic
- 136
- 1983 count
- Owner
- Federal
- U.S. Forest Service
About this bridge
No Data Entered over Rock CR is a wood or timber stringer/multi-beam or girder carrying No Data Entered over Rock CR in Ravalli County, Montana. It was built in 1970, so it is 55 years old, older than the Montana average of 47 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 136 vehicles a day, roughly 10% of them trucks, projected to reach 204 by 2045. The structure is 46 ft (14.1 m) long and 30 ft wide. If it were closed, the detour would be 98.2 mi (158 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was No Data Entered over Rock CR built?
It was built in 1970, making it 55 years old in 2025.
What condition is No Data Entered over Rock CR in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.
How much traffic does No Data Entered over Rock CR carry?
About 136 vehicles per day (1983 count), of which roughly 10% are trucks.
How long is No Data Entered over Rock CR?
The structure is 46 ft (14.1 m) long with a longest span of 45 ft (13.7 m) and a deck 30 ft wide.
Who owns No Data Entered over Rock CR?
It is owned by the U.S. Forest Service.