Knapp RD over Little Bitterroot Rv 079
GoodSanders County, Montana · 9M SE Hot Springs · Structure no. L45220001+03001
- Built
- 2002
- 23 years old
- Condition
- Good
- inspected February 2025
- Type
- Slab
- Concrete Continuous
- Length
- 65 ft
- 3 main spans
- Daily traffic
- 100
- 2025 count
- Owner
- County
- County Highway Agency
About this bridge
Knapp RD over Little Bitterroot Rv 079 is a concrete continuous slab carrying Knapp RD over Little Bitterroot Rv 079 in Sanders County, Montana. It was built in 2002, so it is 23 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 65 ft (19.8 m) long and 26 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 | 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 Knapp RD over Little Bitterroot Rv 079 built?
It was built in 2002, making it 23 years old in 2025.
What condition is Knapp RD over Little Bitterroot Rv 079 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 February 2025.
How much traffic does Knapp RD over Little Bitterroot Rv 079 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is Knapp RD over Little Bitterroot Rv 079?
The structure is 65 ft (19.8 m) long with a longest span of 25 ft (7.6 m) and a deck 26 ft wide.
Who owns Knapp RD over Little Bitterroot Rv 079?
It is owned by the County Highway Agency.