Thorning Loop over Rye Creek 064
FairClosed to trafficRavalli County, Montana · 4M S Darby · Structure no. L41619000+06001
- Built
- 1975
- 50 years old
- Condition
- Fair
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 41 ft
- 2 main spans
- Daily traffic
- 100
- 2025 count
- Owner
- County
- County Highway Agency
About this bridge
Thorning Loop over Rye Creek 064 is a steel continuous stringer/multi-beam or girder carrying Thorning Loop over Rye Creek 064 in Ravalli County, Montana. It was built in 1975, so it is 50 years old, older than the Montana average of 47 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: closed to all traffic.
It carries about 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 41 ft (12.5 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Thorning Loop over Rye Creek 064 built?
It was built in 1975, making it 50 years old in 2025.
What condition is Thorning Loop over Rye Creek 064 in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2023.
How much traffic does Thorning Loop over Rye Creek 064 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is Thorning Loop over Rye Creek 064?
The structure is 41 ft (12.5 m) long with a longest span of 20 ft (6.1 m) and a deck 22 ft wide.
Who owns Thorning Loop over Rye Creek 064?
It is owned by the County Highway Agency.