US 287 over Beaver Creek
FairGallatin County, Montana · 24M NW West Yellowstone · Structure no. P00087007+01971
- Built
- 1964
- 61 years old
- Condition
- Fair
- inspected August 2024
- Type
- Slab
- Concrete Continuous
- Length
- 125 ft
- 5 main spans
- Daily traffic
- 1,010
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 287 over Beaver Creek is a concrete continuous slab carrying US 287 over Beaver Creek in Gallatin County, Montana. It was built in 1964, so it is 61 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 1,010 vehicles a day, roughly 4% of them trucks, projected to reach 1,111 by 2043. The structure is 125 ft (38.1 m) long and 31 ft wide. If it were closed, the detour would be 64 mi (103 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Beaver Creek built?
It was built in 1964, making it 61 years old in 2025.
What condition is US 287 over Beaver 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 August 2024.
How much traffic does US 287 over Beaver Creek carry?
About 1,010 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is US 287 over Beaver Creek?
The structure is 125 ft (38.1 m) long with a longest span of 26 ft (7.9 m) and a deck 31 ft wide.
Who owns US 287 over Beaver Creek?
It is owned by the State Highway Agency.