Old Cat Creek RD over Box Elder Creek 008
PoorPosted for loadPetroleum County, Montana · 5M NE Winnett · Structure no. L35104004+03001
- Built
- 1930
- 95 years old
- Condition
- Poor
- inspected June 2024
- Type
- Truss - Thru
- Steel
- Length
- 78 ft
- 1 main span
- Daily traffic
- 100
- 2025 count
- Owner
- County
- County Highway Agency
About this bridge
Old Cat Creek RD over Box Elder Creek 008 is a steel truss - thru carrying Old Cat Creek RD over Box Elder Creek 008 in Petroleum County, Montana. It was built in 1930, so it is 95 years old, older than the Montana average of 47 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.
It carries about 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 78 ft (23.8 m) long and 18 ft wide. If it were closed, the detour would be 24.2 mi (39 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Old Cat Creek RD over Box Elder Creek 008 built?
It was built in 1930, making it 95 years old in 2025.
What condition is Old Cat Creek RD over Box Elder Creek 008 in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.
How much traffic does Old Cat Creek RD over Box Elder Creek 008 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is Old Cat Creek RD over Box Elder Creek 008?
The structure is 78 ft (23.8 m) long with a longest span of 75 ft (22.9 m) and a deck 18 ft wide.
Who owns Old Cat Creek RD over Box Elder Creek 008?
It is owned by the County Highway Agency.