US-41 over Sturgeon River
PoorBaraga County, Michigan · 1.4 MI S of Alberta · Structure no. 000000000000482
- Built
- 1947
- 78 years old, rebuilt 1998
- Condition
- Poor
- inspected June 2024
- Type
- Arch - Deck
- Steel
- Length
- 232 ft
- 1 main span
- Daily traffic
- 3,585
- 2007 count
- Owner
- State
- State Highway Agency
About this bridge
US-41 over Sturgeon River is a steel arch - deck carrying US-41 over Sturgeon River in Baraga County, Michigan. It was built in 1947 and reconstructed in 1998, so it is 78 years old, older than the Michigan average of 48.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 3,585 vehicles a day, roughly 17% of them trucks, projected to reach 3,800 by 2020. The structure is 232 ft (70.7 m) long and 45 ft wide. If it were closed, the detour would be 49.7 mi (80 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US-41 over Sturgeon River built?
It was built in 1947, making it 78 years old in 2025. It was reconstructed in 1998.
What condition is US-41 over Sturgeon River in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.
How much traffic does US-41 over Sturgeon River carry?
About 3,585 vehicles per day (2007 count), of which roughly 17% are trucks.
How long is US-41 over Sturgeon River?
The structure is 232 ft (70.7 m) long with a longest span of 128 ft (39 m) and a deck 45 ft wide.
Who owns US-41 over Sturgeon River?
It is owned by the State Highway Agency.