M Drive South over Alder Creek
PoorPosted for loadCalhoun County, Michigan · 4 MI NW of Burlington · Structure no. 000000000001351
- Built
- 1960
- 65 years old
- Condition
- Poor
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 24 ft
- 1 main span
- Daily traffic
- 119
- 1994 count
- Owner
- County
- County Highway Agency
About this bridge
M Drive South over Alder Creek is a steel stringer/multi-beam or girder carrying M Drive South over Alder Creek in Calhoun County, Michigan. It was built in 1960, so it is 65 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. Its operating status is: posted for load restriction.
It carries about 119 vehicles a day, roughly 5% of them trucks, projected to reach 222 by 2024. The structure is 24 ft (7.3 m) long and 22 ft wide. 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 |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was M Drive South over Alder Creek built?
It was built in 1960, making it 65 years old in 2025.
What condition is M Drive South over Alder 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 September 2024.
How much traffic does M Drive South over Alder Creek carry?
About 119 vehicles per day (1994 count), of which roughly 5% are trucks.
How long is M Drive South over Alder Creek?
The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m) and a deck 22 ft wide.
Who owns M Drive South over Alder Creek?
It is owned by the County Highway Agency.