Prospect DR over Grant Creek 001
GoodMissoula County, Montana · Missoula-Prospect DR · Structure no. M32081000+00101
- Built
- 1981
- 44 years old
- Condition
- Good
- inspected September 2023
- Type
- Slab
- Concrete
- Length
- 42 ft
- 1 main span
- Daily traffic
- 100
- 2025 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Prospect DR over Grant Creek 001 is a concrete slab carrying Prospect DR over Grant Creek 001 in Missoula County, Montana. It was built in 1981, so it is 44 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 42 ft (12.8 m) long and 40 ft wide. If it were closed, the detour would be 123.7 mi (199 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 Prospect DR over Grant Creek 001 built?
It was built in 1981, making it 44 years old in 2025.
What condition is Prospect DR over Grant Creek 001 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 Prospect DR over Grant Creek 001 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is Prospect DR over Grant Creek 001?
The structure is 42 ft (12.8 m) long with a longest span of 40 ft (12.2 m) and a deck 40 ft wide.
Who owns Prospect DR over Grant Creek 001?
It is owned by the City or Municipal Highway Agency and maintained by the County Highway Agency.