Mill Iron Camp Cro over Box Elder Creek 006
FairCarter County, Montana · 2M SE Mill Iron · Structure no. L06100019+00001
- Built
- 1965
- 60 years old
- Condition
- Fair
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 227 ft
- 4 main spans
- Daily traffic
- 74
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Mill Iron Camp Cro over Box Elder Creek 006 is a prestressed concrete stringer/multi-beam or girder carrying Mill Iron Camp Cro over Box Elder Creek 006 in Carter County, Montana. It was built in 1965, so it is 60 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 74 vehicles a day, roughly 3% of them trucks, projected to reach 78 by 2043. The structure is 227 ft (69.1 m) long and 31 ft wide. If it were closed, the detour would be 69 mi (111 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Mill Iron Camp Cro over Box Elder Creek 006 built?
It was built in 1965, making it 60 years old in 2025.
What condition is Mill Iron Camp Cro over Box Elder Creek 006 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 2023.
How much traffic does Mill Iron Camp Cro over Box Elder Creek 006 carry?
About 74 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is Mill Iron Camp Cro over Box Elder Creek 006?
The structure is 227 ft (69.1 m) long with a longest span of 56 ft (17.1 m) and a deck 31 ft wide.
Who owns Mill Iron Camp Cro over Box Elder Creek 006?
It is owned by the County Highway Agency.