18.5 Mile RD over Plum Brook Drain
GoodMacomb County, Michigan · East of Ryan RD · Structure no. 000000000006432
- Built
- 2000
- 25 years old
- Condition
- Good
- inspected September 2024
- Type
- Culvert
- Concrete
- Length
- 46 ft
- 1 main span
- Daily traffic
- 1,601
- 2024 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
18.5 Mile RD over Plum Brook Drain is a concrete culvert carrying 18.5 Mile RD over Plum Brook Drain in Macomb County, Michigan. It was built in 2000, so it is 25 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 1,601 vehicles a day, roughly 3% of them trucks, projected to reach 1,769 by 2044. The structure is 46 ft (14 m) long. If it were closed, the detour would be 1.9 mi (3 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 18.5 Mile RD over Plum Brook Drain built?
It was built in 2000, making it 25 years old in 2025.
What condition is 18.5 Mile RD over Plum Brook 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 September 2024.
How much traffic does 18.5 Mile RD over Plum Brook Drain carry?
About 1,601 vehicles per day (2024 count), of which roughly 3% are trucks.
How long is 18.5 Mile RD over Plum Brook Drain?
The structure is 46 ft (14 m) long with a longest span of 46 ft (14 m).
Who owns 18.5 Mile RD over Plum Brook Drain?
It is owned by the City or Municipal Highway Agency.