The Mackinac Bridge—Michigan’s famous “Mighty Mac”—is open and running smooth today (October 30, 2025). This huge bridge links the Upper and Lower Peninsulas, lets thousands of people cross each day, and sometimes faces big weather and traffic changes. Here’s everything you need to know for crossing—plus toll changes, upcoming events, and travel tips in plain, simple words.
Top Takeaways
- The Mackinac Bridge is OPEN today, with no weather problem or delay.
- Tolls are $4.00 per car, per crossing ($0.09 extra fee for credit cards in 2025). Pay with US cash or MacPass card to skip the fee.
- Big annual closure is for the Labor Day Bridge Walk: Sept 1, 2025, from 6:30 a.m. to noon. Over 33,000 joined in this year’s event.
- No scheduled construction that closes the bridge; nearby Cut River Bridge on US-2 has a detour until October 31 for inspection—not on Mackinac Bridge itself.
- Staff can help drive your car across if you’re scared, and safety checks are done often for everyone’s protection.
- Fun events are always happening—like concerts, classic car shows, antique snowmobile crossing (Dec 13), and more in St. Ignace and Mackinaw City year-round.
Mackinac Bridge: Travel, Tolls, and Safety—Simple Answers
Is the bridge open today?
Yes, fully open. No ice, no wind, road is dry, and travel moves both ways. Check [Mackinac Bridge Current Conditions] before your trip if you want to make sure.
How much does it cost to cross?
- Regular car, SUV, van, motorcycle: $4.00
- Credit card: Extra $0.09 fee (2.3%) for payments starting 2025. Pay with cash or use MacPass for no extra fee.
- Larger vehicles pay a bit more per axle.
When does the Bridge CLOSE?
- Annual Labor Day Bridge Walk: Closed to all traffic Sept 1, 2025 from 6:30 a.m. to noon—over 33,000 people walked it this year.
- Big storms or falling ice: Sometimes closes for a few hours in winter or spring, but that’s rare. No closure right now.
- Special safety checks: The bridge is checked often, and officials will close if anything is risky.
Are there other detours?
- The Cut River Bridge (on US-2, west of the Mackinac) is being inspected through Oct 31, 2025. There’s a signed detour and slower speed there—not on the Mackinac itself.
Simple Facts – Mighty Mac in 2025
Safety, Upkeep, and How to Keep Updated
- Safety comes first. The bridge team checks all parts often, especially after strong wind, storms, or during busy holiday travel. Closures only happen if roads are unsafe.
- If you feel nervous about high places or the bridge, staff will gladly drive your car across—just ask at the booth.
- To stay updated:
Big Annual Events & What Locals Love
- Labor Day Bridge Walk: Over 33,000 in 2025. Free and open to all! Join in, bring friends, and soak in sunrise over the Great Lakes.
- Winter fun: Antique Snowmobile Bridge Crossing returns December 13, 2025.
- Car shows, festivals, and family events—check St. Ignace and Mackinaw City calendars year-round.
- Pro travel tip: The best times for smooth crossing are weekday mornings and early afternoons, especially outside of holiday weekends.
“The bridge is Michigan’s pride. Crossing is easy and safe today. For adventure, join the annual walk or just enjoy the Great Lakes view.”
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