US 310 over Sand Creek
GoodCarbon County, Montana · 4M S Fromberg · Structure no. P00004029+01101
- Built
- 1987
- 38 years old
- Condition
- Good
- inspected October 2024
- Type
- Culvert
- Steel
- Length
- 26 ft
- 2 main spans
- Daily traffic
- 4,907
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 310 over Sand Creek is a steel culvert carrying US 310 over Sand Creek in Carbon County, Montana. It was built in 1987, so it is 38 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 4,907 vehicles a day, roughly 7% of them trucks, projected to reach 5,152 by 2043. The structure is 26 ft (7.9 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 US 310 over Sand Creek built?
It was built in 1987, making it 38 years old in 2025.
What condition is US 310 over Sand Creek 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 October 2024.
How much traffic does US 310 over Sand Creek carry?
About 4,907 vehicles per day (2023 count), of which roughly 7% are trucks.
How long is US 310 over Sand Creek?
The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m).
Who owns US 310 over Sand Creek?
It is owned by the State Highway Agency.