Frontage Road 005 over Int Radar Base-I 94 004
FairCuster County, Montana · 8M SW Miles City · Structure no. L09005002+03001
- Built
- 1961
- 64 years old
- Condition
- Fair
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 217 ft
- 4 main spans
- Daily traffic
- 100
- 2025 count
- Owner
- State
- State Highway Agency
About this bridge
Frontage Road 005 over Int Radar Base-I 94 004 is a prestressed concrete stringer/multi-beam or girder carrying Frontage Road 005 over Int Radar Base-I 94 004 in Custer 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 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 217 ft (66 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Frontage Road 005 over Int Radar Base-I 94 004 built?
It was built in 1961, making it 64 years old in 2025.
What condition is Frontage Road 005 over Int Radar Base-I 94 004 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 April 2023.
How much traffic does Frontage Road 005 over Int Radar Base-I 94 004 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is Frontage Road 005 over Int Radar Base-I 94 004?
The structure is 217 ft (66 m) long with a longest span of 65 ft (19.8 m) and a deck 31 ft wide.
Who owns Frontage Road 005 over Int Radar Base-I 94 004?
It is owned by the State Highway Agency.