A serious crash on the Mackinac Bridge in Michigan left multiple people injured early Wednesday morning, September 23, 2026, prompting authorities to close the bridge in both directions while emergency crews and investigators responded.
According to Michigan State Police, the preliminary investigation indicates that two vehicles were traveling southbound on the bridge when one vehicle rear-ended the other.
Multiple people were injured in the collision, including two people who suffered serious injuries.
Mackinac Bridge Closed After Early Morning Crash
The crash was reported at approximately 3:24 a.m. Wednesday, according to Michigan Department of Transportation information.
The incident resulted in a full closure of the Mackinac Bridge as emergency personnel responded and investigators worked to determine what happened.
The bridge connects Michigan’s Upper and Lower peninsulas along Interstate 75 and is a major route through the Straits of Mackinac.
Michigan State Police from the St. Ignace Post are leading the crash investigation, with assistance from the Mackinac Bridge Authority and other agencies.
Multiple People Injured
Authorities confirmed that several people were injured in the two-vehicle collision.
Two of those injured suffered serious injuries, although authorities had not publicly released their identities or provided additional medical details in the initial reports.
The preliminary investigation indicates that both vehicles were traveling southbound when the rear-end collision occurred. Investigators have not released further details about what caused the crash.
Mackinac Bridge Reopens
The bridge remained closed for several hours as police investigated the collision and emergency crews cleared the scene.
Traffic restrictions were eventually lifted, with reports confirming that the Mackinac Bridge reopened shortly before 8 a.m. Wednesday.
Motorists who had been delayed by the closure were subsequently able to resume travel across the bridge.
Mackinac Bridge Crash Details
| Detail | Information |
|---|---|
| Location | Mackinac Bridge, Michigan |
| Date | September 23, 2026 |
| Approximate crash time | 3:24 a.m. |
| Vehicles involved | Two vehicles |
| Direction of travel | Southbound |
| Collision type | Rear-end crash |
| Injuries | Multiple people injured |
| Serious injuries | Two people |
| Fatalities | None reported in initial reports |
| Bridge status | Reopened shortly before 8 a.m. |
| Lead investigating agency | Michigan State Police, St. Ignace Post |
| Other agency | Mackinac Bridge Authority |
Investigation Continues
Michigan State Police are continuing to investigate the circumstances surrounding the collision.
Authorities have not yet released the names of those involved, and additional information about their conditions was not immediately available.
The preliminary account establishes that one vehicle struck another from behind while both were traveling southbound, but investigators have not publicly identified any additional contributing factors.
Further details could be released as the investigation progresses.
Disclaimer
This report is based on information released by Michigan State Police, Michigan transportation authorities and local news reports concerning the September 23, 2026, Mackinac Bridge crash. Multiple people were injured, including two who suffered serious injuries. No fatalities were reported in the initial information reviewed. Details may be updated as authorities release additional information.