US 87 over Stockpass
GoodJudith Basin County, Montana · 3M E Geyser · Structure no. P00057024+02201
- Built
- 1961
- 64 years old
- Condition
- Good
- inspected June 2023
- Type
- Culvert
- Steel
- Length
- 23 ft
- 2 main spans
- Daily traffic
- 2,753
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 87 over Stockpass is a steel culvert carrying US 87 over Stockpass in Judith Basin County, Montana. It was built in 1961, so it is 64 years old, older 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 2,753 vehicles a day, roughly 14% of them trucks, projected to reach 2,891 by 2043. The structure is 23 ft (7.1 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 | 8 Very Good | No problems noted. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 87 over Stockpass built?
It was built in 1961, making it 64 years old in 2025.
What condition is US 87 over 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 June 2023.
How much traffic does US 87 over Stockpass carry?
About 2,753 vehicles per day (2023 count), of which roughly 14% are trucks.
How long is US 87 over Stockpass?
The structure is 23 ft (7.1 m) long with a longest span of 10 ft (3 m).
Who owns US 87 over Stockpass?
It is owned by the State Highway Agency.