Mason RD over Middlebury County Drain
GoodShiawassee County, Michigan · 2.9 MI SE of Carland · Structure no. 000000000009849
- Built
- 2003
- 22 years old
- Condition
- Good
- inspected April 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 30 ft
- 1 main span
- Daily traffic
- 269
- 2002 count
- Owner
- County
- County Highway Agency
About this bridge
Mason RD over Middlebury County Drain is a prestressed concrete box beam or girders - multiple carrying Mason RD over Middlebury County Drain in Shiawassee County, Michigan. It was built in 2003, so it is 22 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 269 vehicles a day, roughly 5% of them trucks, projected to reach 486 by 2002. The structure is 30 ft (9.1 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Mason RD over Middlebury County Drain built?
It was built in 2003, making it 22 years old in 2025.
What condition is Mason RD over Middlebury County Drain 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 April 2024.
How much traffic does Mason RD over Middlebury County Drain carry?
About 269 vehicles per day (2002 count), of which roughly 5% are trucks.
How long is Mason RD over Middlebury County Drain?
The structure is 30 ft (9.1 m) long with a longest span of 26 ft (7.9 m) and a deck 31 ft wide.
Who owns Mason RD over Middlebury County Drain?
It is owned by the County Highway Agency.