I-75 SB over M-72|HURON ST
PoorCrawford County, Michigan · @ I-75 M-72 JCT · Structure no. 000000000002036
- Built
- 1961
- 64 years old
- Condition
- Poor
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 134 ft
- 3 main spans
- Daily traffic
- 5,877
- 2007 count
- Owner
- State
- State Highway Agency
About this bridge
I-75 SB over M-72|HURON ST is a steel stringer/multi-beam or girder carrying I-75 SB over M-72|HURON ST in Crawford County, Michigan. It was built in 1961, so it is 64 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 5,877 vehicles a day, roughly 12% of them trucks, projected to reach 9,595 by 2018. The structure is 134 ft (40.8 m) long and 47 ft wide. 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 |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-75 SB over M-72|HURON ST built?
It was built in 1961, making it 64 years old in 2025.
What condition is I-75 SB over M-72|HURON ST 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 I-75 SB over M-72|HURON ST carry?
About 5,877 vehicles per day (2007 count), of which roughly 12% are trucks.
How long is I-75 SB over M-72|HURON ST?
The structure is 134 ft (40.8 m) long with a longest span of 47 ft (14.4 m) and a deck 47 ft wide.
Who owns I-75 SB over M-72|HURON ST?
It is owned by the State Highway Agency.