US 12 over Haymaker Creek
FairWheatland County, Montana · N Two DOT · Structure no. P00014088+01041
- Built
- 1966
- 59 years old
- Condition
- Fair
- inspected January 2024
- Type
- Slab
- Concrete Continuous
- Length
- 65 ft
- 3 main spans
- Daily traffic
- 557
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 12 over Haymaker Creek is a concrete continuous slab carrying US 12 over Haymaker Creek in Wheatland County, Montana. It was built in 1966, so it is 59 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 557 vehicles a day, roughly 3% of them trucks, projected to reach 585 by 2043. The structure is 65 ft (19.8 m) long and 42 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 12 over Haymaker Creek built?
It was built in 1966, making it 59 years old in 2025.
What condition is US 12 over Haymaker Creek 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 January 2024.
How much traffic does US 12 over Haymaker Creek carry?
About 557 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is US 12 over Haymaker Creek?
The structure is 65 ft (19.8 m) long with a longest span of 25 ft (7.6 m) and a deck 42 ft wide.
Who owns US 12 over Haymaker Creek?
It is owned by the State Highway Agency.