Sturgeon Road over Sturgeon River
GoodBaraga County, Michigan · 2.5 MI W of Keweenaw Bay · Structure no. 000000000000508
- Built
- 1994
- 31 years old
- Condition
- Good
- inspected September 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 135 ft
- 3 main spans
- Daily traffic
- 15
- 2016 count
- Owner
- County
- County Highway Agency
About this bridge
Sturgeon Road over Sturgeon River is a prestressed concrete box beam or girders - multiple carrying Sturgeon Road over Sturgeon River in Baraga County, Michigan. It was built in 1994, so it is 31 years old, younger than the Michigan average of 48.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 15 vehicles a day, roughly 1% of them trucks, projected to reach 50 by 2036. The structure is 135 ft (41.1 m) long and 31 ft wide. If it were closed, the detour would be 124.9 mi (201 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Sturgeon Road over Sturgeon River built?
It was built in 1994, making it 31 years old in 2025.
What condition is Sturgeon Road over Sturgeon 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 September 2023.
How much traffic does Sturgeon Road over Sturgeon River carry?
About 15 vehicles per day (2016 count), of which roughly 1% are trucks.
How long is Sturgeon Road over Sturgeon River?
The structure is 135 ft (41.1 m) long with a longest span of 45 ft (13.7 m) and a deck 31 ft wide.
Who owns Sturgeon Road over Sturgeon River?
It is owned by the County Highway Agency.