I-75 over Elmhirst Creek
PoorMackinac County, Michigan · 4.6 MI N of M-134 · Structure no. 000000000005946
- Built
- 1963
- 62 years old
- Condition
- Poor
- inspected July 2024
- Type
- Culvert
- Steel
- Length
- 41 ft
- 3 main spans
- Daily traffic
- 3,016
- 2007 count
- Owner
- State
- State Highway Agency
About this bridge
I-75 over Elmhirst Creek is a steel culvert carrying I-75 over Elmhirst Creek in Mackinac County, Michigan. It was built in 1963, so it is 62 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 3,016 vehicles a day, roughly 10% of them trucks, projected to reach 8,235 by 2018. The structure is 41 ft (12.5 m) long.
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 I-75 over Elmhirst Creek built?
It was built in 1963, making it 62 years old in 2025.
What condition is I-75 over Elmhirst 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 July 2024.
How much traffic does I-75 over Elmhirst Creek carry?
About 3,016 vehicles per day (2007 count), of which roughly 10% are trucks.
How long is I-75 over Elmhirst Creek?
The structure is 41 ft (12.5 m) long with a longest span of 11 ft (3.4 m).
Who owns I-75 over Elmhirst Creek?
It is owned by the State Highway Agency.