Base Line Road over John Neff Drain
GoodIsabella County, Michigan · 50 Ft E of Mission RD · Structure no. 000000000004281
- Built
- 2009
- 16 years old
- Condition
- Good
- inspected June 2024
- Type
- Culvert
- Concrete
- Length
- 28 ft
- 1 main span
- Daily traffic
- 427
- 2004 count
- Owner
- County
- County Highway Agency
About this bridge
Base Line Road over John Neff Drain is a concrete culvert carrying Base Line Road over John Neff Drain in Isabella County, Michigan. It was built in 2009, so it is 16 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 427 vehicles a day, roughly 5% of them trucks, projected to reach 1,960 by 2023. The structure is 28 ft (8.5 m) long. 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 |
|---|---|---|
| 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 Base Line Road over John Neff Drain built?
It was built in 2009, making it 16 years old in 2025.
What condition is Base Line Road over John Neff 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 June 2024.
How much traffic does Base Line Road over John Neff Drain carry?
About 427 vehicles per day (2004 count), of which roughly 5% are trucks.
How long is Base Line Road over John Neff Drain?
The structure is 28 ft (8.5 m) long with a longest span of 28 ft (8.5 m).
Who owns Base Line Road over John Neff Drain?
It is owned by the County Highway Agency.