Big Creek RD over ST Regis River 019
FairMineral County, Montana · Haugan · Structure no. L31054000+01001
- Built
- 1972
- 53 years old
- Condition
- Fair
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 124 ft
- 2 main spans
- Daily traffic
- 100
- 2025 count
- Owner
- County
- County Highway Agency
About this bridge
Big Creek RD over ST Regis River 019 is a prestressed concrete stringer/multi-beam or girder carrying Big Creek RD over ST Regis River 019 in Mineral County, Montana. It was built in 1972, so it is 53 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 5 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 124 ft (37.8 m) long and 20 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Big Creek RD over ST Regis River 019 built?
It was built in 1972, making it 53 years old in 2025.
What condition is Big Creek RD over ST Regis River 019 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 May 2023.
How much traffic does Big Creek RD over ST Regis River 019 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is Big Creek RD over ST Regis River 019?
The structure is 124 ft (37.8 m) long with a longest span of 61 ft (18.6 m) and a deck 20 ft wide.
Who owns Big Creek RD over ST Regis River 019?
It is owned by the County Highway Agency.