Silverbow Lane over Beaverhead River
GoodMadison County, Montana · 8 M W Sheridan · Structure no. 000000202003602
- Built
- 2020
- 5 years old
- Condition
- Good
- inspected November 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 139 ft
- 1 main span
- Daily traffic
- 36
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Silverbow Lane over Beaverhead River is a prestressed concrete tee beam carrying Silverbow Lane over Beaverhead River in Madison County, Montana. It was built in 2020, so it is 5 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 36 vehicles a day, roughly 3% of them trucks, projected to reach 39 by 2043. The structure is 139 ft (42.4 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Silverbow Lane over Beaverhead River built?
It was built in 2020, making it 5 years old in 2025.
What condition is Silverbow Lane over Beaverhead River 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 November 2024.
How much traffic does Silverbow Lane over Beaverhead River carry?
About 36 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is Silverbow Lane over Beaverhead River?
The structure is 139 ft (42.4 m) long with a longest span of 136 ft (41.5 m) and a deck 27 ft wide.
Who owns Silverbow Lane over Beaverhead River?
It is owned by the County Highway Agency.