M-21 over Red Creek
FairIonia County, Michigan · 6.3 MI E of Kent CO Line · Structure no. 000000000004003
- Built
- 1929
- 96 years old
- Condition
- Fair
- inspected November 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 30 ft
- 2 main spans
- Daily traffic
- 5,896
- 2007 count
- Owner
- State
- State Highway Agency
About this bridge
M-21 over Red Creek is a concrete continuous culvert carrying M-21 over Red 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 5,896 vehicles a day, roughly 5% of them trucks, projected to reach 8,880 by 2018. The structure is 30 ft (9 m) long. If it were closed, the detour would be 5 mi (8 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was M-21 over Red Creek built?
It was built in 1929, making it 96 years old in 2025.
What condition is M-21 over Red Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.
How much traffic does M-21 over Red Creek carry?
About 5,896 vehicles per day (2007 count), of which roughly 5% are trucks.
How long is M-21 over Red Creek?
The structure is 30 ft (9 m) long with a longest span of 14 ft (4.3 m).
Who owns M-21 over Red Creek?
It is owned by the State Highway Agency.