US 287 over Dry Wash
FairTeton County, Montana · 6M S Choteau · Structure no. P00009058+06611
- Built
- 1936
- 89 years old
- Condition
- Fair
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 59 ft
- 3 main spans
- Daily traffic
- 449
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 287 over Dry Wash is a wood or timber stringer/multi-beam or girder carrying US 287 over Dry Wash in Teton County, Montana. It was built in 1936, so it is 89 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 449 vehicles a day, roughly 8% of them trucks, projected to reach 471 by 2043. The structure is 59 ft (18 m) long and 24 ft wide. If it were closed, the detour would be 57.2 mi (92 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 287 over Dry Wash built?
It was built in 1936, making it 89 years old in 2025.
What condition is US 287 over Dry Wash 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 September 2023.
How much traffic does US 287 over Dry Wash carry?
About 449 vehicles per day (2023 count), of which roughly 8% are trucks.
How long is US 287 over Dry Wash?
The structure is 59 ft (18 m) long with a longest span of 19 ft (5.8 m) and a deck 24 ft wide.
Who owns US 287 over Dry Wash?
It is owned by the State Highway Agency.