Old HWY 10 over Sweeney Creek 064
PoorRosebud County, Montana · 7M E Rosebud · Structure no. L44303007+07001
- Built
- 1930
- 95 years old
- Condition
- Poor
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 114 ft
- 6 main spans
- Daily traffic
- 128
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Old HWY 10 over Sweeney Creek 064 is a wood or timber stringer/multi-beam or girder carrying Old HWY 10 over Sweeney Creek 064 in Rosebud 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.
It carries about 128 vehicles a day, roughly 1% of them trucks, projected to reach 135 by 2043. The structure is 114 ft (34.7 m) long and 24 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 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Old HWY 10 over Sweeney Creek 064 built?
It was built in 1930, making it 95 years old in 2025.
What condition is Old HWY 10 over Sweeney Creek 064 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 September 2024.
How much traffic does Old HWY 10 over Sweeney Creek 064 carry?
About 128 vehicles per day (2023 count), of which roughly 1% are trucks.
How long is Old HWY 10 over Sweeney Creek 064?
The structure is 114 ft (34.7 m) long with a longest span of 19 ft (5.8 m) and a deck 24 ft wide.
Who owns Old HWY 10 over Sweeney Creek 064?
It is owned by the State Highway Agency.