Old Grant CR RD over Grant Creek 112
GoodMissoula County, Montana · 6M N Missoula · Structure no. L32436000+08001
- Built
- 1979
- 46 years old
- Condition
- Good
- inspected September 2023
- Type
- Channel Beam
- Prestressed Concrete
- Length
- 25 ft
- 1 main span
- Daily traffic
- 100
- 2025 count
- Owner
- County
- County Highway Agency
About this bridge
Old Grant CR RD over Grant Creek 112 is a prestressed concrete channel beam carrying Old Grant CR RD over Grant Creek 112 in Missoula County, Montana. It was built in 1979, so it is 46 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 25 ft (7.6 m) long and 29 ft wide. If it were closed, the detour would be 1.2 mi (2 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 Old Grant CR RD over Grant Creek 112 built?
It was built in 1979, making it 46 years old in 2025.
What condition is Old Grant CR RD over Grant Creek 112 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 September 2023.
How much traffic does Old Grant CR RD over Grant Creek 112 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is Old Grant CR RD over Grant Creek 112?
The structure is 25 ft (7.6 m) long with a longest span of 22 ft (6.6 m) and a deck 29 ft wide.
Who owns Old Grant CR RD over Grant Creek 112?
It is owned by the County Highway Agency.