Stilson Road over Setter Drain
PoorSanilac County, Michigan · SEC11 12 13&14 Flynn Twp · Structure no. 000000000009615
- Built
- 1979
- 46 years old
- Condition
- Poor
- inspected July 2024
- Type
- Culvert
- Steel
- Length
- 48 ft
- 2 main spans
- Daily traffic
- 170
- 2016 count
- Owner
- County
- County Highway Agency
About this bridge
Stilson Road over Setter Drain is a steel culvert carrying Stilson Road over Setter Drain in Sanilac County, Michigan. It was built in 1979, so it is 46 years old, younger 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 4 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 170 vehicles a day, roughly 10% of them trucks, projected to reach 305 by 2036. The structure is 48 ft (14.7 m) long. If it were closed, the detour would be 3.7 mi (6 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Culvert | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Stilson Road over Setter Drain built?
It was built in 1979, making it 46 years old in 2025.
What condition is Stilson Road over Setter 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 July 2024.
How much traffic does Stilson Road over Setter Drain carry?
About 170 vehicles per day (2016 count), of which roughly 10% are trucks.
How long is Stilson Road over Setter Drain?
The structure is 48 ft (14.7 m) long with a longest span of 19 ft (5.7 m).
Who owns Stilson Road over Setter Drain?
It is owned by the County Highway Agency.