Millegan RD over Drainage-Stockpass
GoodCascade County, Montana · 14M S Ulm · Structure no. S00330013+08001
- Built
- 2000
- 25 years old
- Condition
- Good
- inspected July 2023
- Type
- Culvert
- Concrete
- Length
- 22 ft
- 2 main spans
- Daily traffic
- 294
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Millegan RD over Drainage-Stockpass is a concrete culvert carrying Millegan RD over Drainage-Stockpass in Cascade County, Montana. It was built in 2000, so it is 25 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 294 vehicles a day, roughly 3% of them trucks, projected to reach 309 by 2043. The structure is 22 ft (6.7 m) long. 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Millegan RD over Drainage-Stockpass built?
It was built in 2000, making it 25 years old in 2025.
What condition is Millegan RD over Drainage-Stockpass 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 July 2023.
How much traffic does Millegan RD over Drainage-Stockpass carry?
About 294 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is Millegan RD over Drainage-Stockpass?
The structure is 22 ft (6.7 m) long with a longest span of 11 ft (3.4 m).
Who owns Millegan RD over Drainage-Stockpass?
It is owned by the State Highway Agency.