US 87 over Beaver Creek
GoodFergus County, Montana · 7M SW Lewistown · Structure no. P00057074+01391
- Built
- 2009
- 16 years old
- Condition
- Good
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 129 ft
- 1 main span
- Daily traffic
- 2,589
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 87 over Beaver Creek is a prestressed concrete stringer/multi-beam or girder carrying US 87 over Beaver Creek in Fergus County, Montana. It was built in 2009, so it is 16 years old, younger than the Montana average of 47 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 2,589 vehicles a day, roughly 6% of them trucks, projected to reach 2,718 by 2043. The structure is 129 ft (39.3 m) long and 39 ft wide. If it were closed, the detour would be 123.7 mi (199 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 87 over Beaver Creek built?
It was built in 2009, making it 16 years old in 2025.
What condition is US 87 over Beaver Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.
How much traffic does US 87 over Beaver Creek carry?
About 2,589 vehicles per day (2023 count), of which roughly 6% are trucks.
How long is US 87 over Beaver Creek?
The structure is 129 ft (39.3 m) long with a longest span of 128 ft (39 m) and a deck 39 ft wide.
Who owns US 87 over Beaver Creek?
It is owned by the State Highway Agency.