US-23 over S Br Devil River
FairAlpena County, Michigan · 4.3 MI N of Alcona Col · Structure no. 000000000000331
- Built
- 1936
- 89 years old
- Condition
- Fair
- inspected May 2023
- Type
- Tee Beam
- Concrete
- Length
- 32 ft
- 1 main span
- Daily traffic
- 5,537
- 2007 count
- Owner
- State
- State Highway Agency
About this bridge
US-23 over S Br Devil River is a concrete tee beam carrying US-23 over S Br Devil River in Alpena County, Michigan. It was built in 1936, so it is 89 years old, older than the Michigan average of 48.3 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 5,537 vehicles a day, roughly 5% of them trucks, projected to reach 7,351 by 2018. The structure is 32 ft (9.7 m) long and 47 ft wide. If it were closed, the detour would be 11.2 mi (18 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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-23 over S Br Devil River built?
It was built in 1936, making it 89 years old in 2025.
What condition is US-23 over S Br Devil River 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 May 2023.
How much traffic does US-23 over S Br Devil River carry?
About 5,537 vehicles per day (2007 count), of which roughly 5% are trucks.
How long is US-23 over S Br Devil River?
The structure is 32 ft (9.7 m) long with a longest span of 28 ft (8.6 m) and a deck 47 ft wide.
Who owns US-23 over S Br Devil River?
It is owned by the State Highway Agency.