County RD 306 over Twin Lakes Creek 094
GoodDeer Lodge County, Montana · 8M W Anaconda · Structure no. L12306000+09001
- Built
- 2013
- 12 years old
- Condition
- Good
- inspected June 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 50 ft
- 1 main span
- Daily traffic
- 100
- 2025 count
- Owner
- County
- County Highway Agency
About this bridge
County RD 306 over Twin Lakes Creek 094 is a prestressed concrete tee beam carrying County RD 306 over Twin Lakes Creek 094 in Deer Lodge County, Montana. It was built in 2013, so it is 12 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 50 ft (15.2 m) long and 26 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 County RD 306 over Twin Lakes Creek 094 built?
It was built in 2013, making it 12 years old in 2025.
What condition is County RD 306 over Twin Lakes Creek 094 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 June 2024.
How much traffic does County RD 306 over Twin Lakes Creek 094 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is County RD 306 over Twin Lakes Creek 094?
The structure is 50 ft (15.2 m) long with a longest span of 48 ft (14.6 m) and a deck 26 ft wide.
Who owns County RD 306 over Twin Lakes Creek 094?
It is owned by the County Highway Agency.