W Ninemile RD over Ninemile Creek 030
FairMissoula County, Montana · 8M NW Frenchtown · Structure no. L32003000+01001
- Built
- 1975
- 50 years old, rebuilt 1980
- Condition
- Fair
- inspected September 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 87 ft
- 1 main span
- Daily traffic
- 486
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
W Ninemile RD over Ninemile Creek 030 is a prestressed concrete tee beam carrying W Ninemile RD over Ninemile Creek 030 in Missoula County, Montana. It was built in 1975 and reconstructed in 1980, 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.
It carries about 486 vehicles a day, roughly 3% of them trucks, projected to reach 520 by 2043. The structure is 87 ft (26.5 m) long and 30 ft wide. If it were closed, the detour would be 9.9 mi (16 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 | 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 W Ninemile RD over Ninemile Creek 030 built?
It was built in 1975, making it 50 years old in 2025. It was reconstructed in 1980.
What condition is W Ninemile RD over Ninemile Creek 030 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 September 2023.
How much traffic does W Ninemile RD over Ninemile Creek 030 carry?
About 486 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is W Ninemile RD over Ninemile Creek 030?
The structure is 87 ft (26.5 m) long with a longest span of 85 ft (25.9 m) and a deck 30 ft wide.
Who owns W Ninemile RD over Ninemile Creek 030?
It is owned by the County Highway Agency.