Vermilion RD over Twelve Mile Creek 091
GoodYellowstone County, Montana · 4M S Shepherd · Structure no. L56739000+05001
- Built
- 2005
- 20 years old
- Condition
- Good
- inspected January 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 65 ft
- 1 main span
- Daily traffic
- 100
- 2025 count
- Owner
- County
- County Highway Agency
About this bridge
Vermilion RD over Twelve Mile Creek 091 is a prestressed concrete tee beam carrying Vermilion RD over Twelve Mile Creek 091 in Yellowstone County, Montana. It was built in 2005, so it is 20 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 (19.9 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Vermilion RD over Twelve Mile Creek 091 built?
It was built in 2005, making it 20 years old in 2025.
What condition is Vermilion RD over Twelve Mile Creek 091 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 January 2024.
How much traffic does Vermilion RD over Twelve Mile Creek 091 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is Vermilion RD over Twelve Mile Creek 091?
The structure is 65 ft (19.9 m) long with a longest span of 65 ft (19.9 m) and a deck 30 ft wide.
Who owns Vermilion RD over Twelve Mile Creek 091?
It is owned by the County Highway Agency.