1st Ave over Beaver Creek 009
FairWibaux County, Montana · WIBAUX-1st Ave · Structure no. M55123000+00101
- Built
- 1986
- 39 years old
- Condition
- Fair
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 139 ft
- 3 main spans
- Daily traffic
- 100
- 2025 count
- Owner
- County
- County Highway Agency
About this bridge
1st Ave over Beaver Creek 009 is a prestressed concrete stringer/multi-beam or girder carrying 1st Ave over Beaver Creek 009 in Wibaux County, Montana. It was built in 1986, so it is 39 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 139 ft (42.4 m) long and 38 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 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 1st Ave over Beaver Creek 009 built?
It was built in 1986, making it 39 years old in 2025.
What condition is 1st Ave over Beaver 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 August 2023.
How much traffic does 1st Ave over Beaver Creek 009 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is 1st Ave over Beaver Creek 009?
The structure is 139 ft (42.4 m) long with a longest span of 52 ft (15.8 m) and a deck 38 ft wide.
Who owns 1st Ave over Beaver Creek 009?
It is owned by the County Highway Agency.