Dean Creek RD over Musselshell River 004
FairMusselshell County, Montana · 15M SW Roundup · Structure no. L33030003+06001
- Built
- 1988
- 37 years old
- Condition
- Fair
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 132 ft
- 3 main spans
- Daily traffic
- 100
- 2025 count
- Owner
- County
- County Highway Agency
About this bridge
Dean Creek RD over Musselshell River 004 is a steel continuous stringer/multi-beam or girder carrying Dean Creek RD over Musselshell River 004 in Musselshell County, Montana. It was built in 1988, so it is 37 years old, younger 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 132 ft (40.2 m) long and 27 ft wide. If it were closed, the detour would be 54.1 mi (87 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. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Dean Creek RD over Musselshell River 004 built?
It was built in 1988, making it 37 years old in 2025.
What condition is Dean Creek RD over Musselshell River 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 March 2023.
How much traffic does Dean Creek RD over Musselshell River 004 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is Dean Creek RD over Musselshell River 004?
The structure is 132 ft (40.2 m) long with a longest span of 51 ft (15.5 m) and a deck 27 ft wide.
Who owns Dean Creek RD over Musselshell River 004?
It is owned by the County Highway Agency.