Frontage Road 148 over Sep I 94 009
FairRosebud County, Montana · 5M W Rosebud · Structure no. L44148000+02501
- Built
- 1970
- 55 years old
- Condition
- Fair
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 304 ft
- 4 main spans
- Daily traffic
- 100
- 2025 count
- Owner
- State
- State Highway Agency
About this bridge
Frontage Road 148 over Sep I 94 009 is a prestressed concrete stringer/multi-beam or girder carrying Frontage Road 148 over Sep I 94 009 in Rosebud County, Montana. It was built in 1970, so it is 55 years old, older than the Montana average of 47 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 304 ft (92.8 m) long and 34 ft wide. If it were closed, the detour would be 11.2 mi (18 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Frontage Road 148 over Sep I 94 009 built?
It was built in 1970, making it 55 years old in 2025.
What condition is Frontage Road 148 over Sep I 94 009 in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.
How much traffic does Frontage Road 148 over Sep I 94 009 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is Frontage Road 148 over Sep I 94 009?
The structure is 304 ft (92.8 m) long with a longest span of 96 ft (29.3 m) and a deck 34 ft wide.
Who owns Frontage Road 148 over Sep I 94 009?
It is owned by the State Highway Agency.