18th ST over Red Run Drain
PoorAllegan County, Michigan · 0.3 MI N of 140th Ave · Structure no. 000000000014334
- Built
- 1970
- 55 years old
- Condition
- Poor
- inspected October 2024
- Type
- Culvert
- Steel
- Length
- 25 ft
- 2 main spans
- Daily traffic
- 7,600
- 2011 count
- Owner
- County
- County Highway Agency
About this bridge
18th ST over Red Run Drain is a steel culvert carrying 18th ST over Red Run Drain in Allegan County, Michigan. It was built in 1970, so it is 55 years old, older than the Michigan average of 48.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 7,600 vehicles a day, roughly 5% of them trucks, projected to reach 8,740 by 2031. The structure is 25 ft (7.7 m) long. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 18th ST over Red Run Drain built?
It was built in 1970, making it 55 years old in 2025.
What condition is 18th ST over Red Run Drain in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.
How much traffic does 18th ST over Red Run Drain carry?
About 7,600 vehicles per day (2011 count), of which roughly 5% are trucks.
How long is 18th ST over Red Run Drain?
The structure is 25 ft (7.7 m) long with a longest span of 9 ft (2.6 m).
Who owns 18th ST over Red Run Drain?
It is owned by the County Highway Agency.