M-21 over Toles Creek
GoodIonia County, Michigan · 2.6 MI E of Kent CO Line · Structure no. 000000000004002
- Built
- 1929
- 96 years old
- Condition
- Good
- inspected November 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 26 ft
- 2 main spans
- Daily traffic
- 5,100
- 2008 count
- Owner
- State
- State Highway Agency
About this bridge
M-21 over Toles Creek is a concrete continuous culvert carrying M-21 over Toles Creek in Ionia County, Michigan. It was built in 1929, so it is 96 years old, older 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 5,100 vehicles a day, roughly 5% of them trucks, projected to reach 6,700 by 2032. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 3.1 mi (5 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was M-21 over Toles Creek built?
It was built in 1929, making it 96 years old in 2025.
What condition is M-21 over Toles Creek 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 November 2024.
How much traffic does M-21 over Toles Creek carry?
About 5,100 vehicles per day (2008 count), of which roughly 5% are trucks.
How long is M-21 over Toles Creek?
The structure is 26 ft (7.9 m) long with a longest span of 13 ft (3.9 m).
Who owns M-21 over Toles Creek?
It is owned by the State Highway Agency.