Michigan RD over Cn Railroad
GoodSt. Clair County, Michigan · Port Huron Twp Sec 17-18 · Structure no. 000000000013508
- Built
- 2012
- 13 years old
- Condition
- Good
- inspected October 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 107 ft
- 1 main span
- Daily traffic
- 3,775
- 2011 count
- Owner
- County
- County Highway Agency
About this bridge
Michigan RD over Cn Railroad is a prestressed concrete box beam or girders - multiple carrying Michigan RD over Cn Railroad in St. Clair County, Michigan. It was built in 2012, so it is 13 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 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 3,775 vehicles a day, roughly 4% of them trucks, projected to reach 4,607 by 2031. The structure is 107 ft (32.5 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Michigan RD over Cn Railroad built?
It was built in 2012, making it 13 years old in 2025.
What condition is Michigan RD over Cn Railroad 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 October 2024.
How much traffic does Michigan RD over Cn Railroad carry?
About 3,775 vehicles per day (2011 count), of which roughly 4% are trucks.
How long is Michigan RD over Cn Railroad?
The structure is 107 ft (32.5 m) long with a longest span of 105 ft (32.1 m) and a deck 47 ft wide.
Who owns Michigan RD over Cn Railroad?
It is owned by the County Highway Agency.