I 94 over Sep RR
GoodTreasure County, Montana · 18.6M E Bighorn · Structure no. I00094071+04801
- Built
- 1973
- 52 years old
- Condition
- Good
- inspected January 2024
- Type
- Culvert
- Steel
- Length
- 24 ft
- 1 main span
- Daily traffic
- 5,042
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I 94 over Sep RR is a steel culvert carrying I 94 over Sep RR in Treasure County, Montana. It was built in 1973, so it is 52 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 5,042 vehicles a day, roughly 25% of them trucks, projected to reach 5,294 by 2043. The structure is 24 ft (7.3 m) long and 280 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 |
|---|---|---|
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I 94 over Sep RR built?
It was built in 1973, making it 52 years old in 2025.
What condition is I 94 over Sep RR 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 I 94 over Sep RR carry?
About 5,042 vehicles per day (2023 count), of which roughly 25% are trucks.
How long is I 94 over Sep RR?
The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m) and a deck 280 ft wide.
Who owns I 94 over Sep RR?
It is owned by the State Highway Agency.