Rock Creek RD over Ranch Creek 009
FairGranite County, Montana · 10M S Rock Creek Int · Structure no. L20002039+06001
- Built
- 1977
- 48 years old
- Condition
- Fair
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 31 ft
- 1 main span
- Daily traffic
- 603
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Rock Creek RD over Ranch Creek 009 is a wood or timber stringer/multi-beam or girder carrying Rock Creek RD over Ranch Creek 009 in Granite County, Montana. It was built in 1977, so it is 48 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 603 vehicles a day, roughly 3% of them trucks, projected to reach 645 by 2043. The structure is 31 ft (9.6 m) long and 17 ft wide. If it were closed, the detour would be 70.2 mi (113 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Rock Creek RD over Ranch Creek 009 built?
It was built in 1977, making it 48 years old in 2025.
What condition is Rock Creek RD over Ranch Creek 009 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 July 2024.
How much traffic does Rock Creek RD over Ranch Creek 009 carry?
About 603 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is Rock Creek RD over Ranch Creek 009?
The structure is 31 ft (9.6 m) long with a longest span of 28 ft (8.5 m) and a deck 17 ft wide.
Who owns Rock Creek RD over Ranch Creek 009?
It is owned by the County Highway Agency.