Mill ST over Sage Creek
PoorSt. Clair County, Michigan · 0.1 MI W of Main ST · Structure no. 000000000014593
- Built
- 1970
- 55 years old, rebuilt 2003
- Condition
- Poor
- inspected October 2024
- Type
- Culvert
- Steel
- Length
- 26 ft
- 2 main spans
- Daily traffic
- 250
- 2022 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Mill ST over Sage Creek is a steel culvert carrying Mill ST over Sage Creek in St. Clair County, Michigan. It was built in 1970 and reconstructed in 2003, 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 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 250 vehicles a day, roughly 3% of them trucks, projected to reach 300 by 2042. The structure is 26 ft (8 m) long. If it were closed, the detour would be 1.2 mi (2 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 Mill ST over Sage Creek built?
It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2003.
What condition is Mill ST over Sage Creek 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 Mill ST over Sage Creek carry?
About 250 vehicles per day (2022 count), of which roughly 3% are trucks.
How long is Mill ST over Sage Creek?
The structure is 26 ft (8 m) long with a longest span of 12 ft (3.7 m).
Who owns Mill ST over Sage Creek?
It is owned by the City or Municipal Highway Agency.