Michigan types Permits for Oversize
1. Temporary and single-trip permits
These permits, which are normally good for 72 hours, cover one-time travel. Under the International Fuel Tax Agreement (IFTA), they might be used as substitutes for state registration. For further information on IFTA permits for single trips, call us
2. Permits for Overdimension/Overweight
These licenses are valid for five days and must be obtained before to entering Michigan oversize Permits for cargo that exceeds the standard authorized dimensions or weight.
3. Permits for Superload
Superload licenses are required for loads that are very heavy or huge. Depending on shipper documents and route surveys, processing might take up to 10 days.
Travel Restrictions and Operating Hours
• Regular Business Hours: Usually, oversized freight can be transported from dawn till dusk. Loads up to 90 feet long, 10 feet wide, and 14 feet high may be transported on weekends until 3:00 p.m.
• Restricted Travel: During peak hours (7:00–9:00 a.m. and 3:00–6:00 p.m.), counties such as Wayne, Oakland, Kent, and others prohibit oversized shipments that are larger than 12 feet wide or 90 feet long. Major holidays also ban travel.
Particular Attention to Bridges
1. The Mackinac Bridge
Give the Mackinac Bridge Authority at least 24 hours' notice before Crossings are prohibited during strong winds, and escorts are offered for goods wider than ten feet.
2. Bridge of Ambassadors
Oversized cargoes moving between Detroit and Windsor, Ontario, require advance planning. The hours of limited passage are Monday through Friday from 10:00 a.m. to 4:00 p.m.
Legal Aspects and Typical Permit Restrictions
• Legal Aspects:
o Length: For semi-trailers on authorized roadways, up to 53 feet.
On roads, the width is 8 feet 6 inches.
o 13 feet 6 inches tall.
o Weight: 80,000 pounds is the maximum gross weight.
Limits on Routine Permits:
The maximum length is 150 feet.
o Width: 16 feet or more.
o Height: Up to 15 feet (above 13 feet-6 inches require specific approaches).
o Weight: Ascertained individually, with all lift axles in operation.
Security and Escort Needs
• Escort Cars:
One escort for a distance exceeding ninety feet. Two escorts over a hundred feet.
o One escort for a width exceeding twelve feet. Two escorts above 14 feet.
o Over 14 feet 5 inches tall: One escort holding a tall pole. Over 15 feet: a route survey and two escorts.
• Safety Equipment:
o Signs indicating oversized loads on both ends of the car.
o Flags at the broadest points and corners.
o Any rear overhanging more than four feet needs a red light at night and a flag during the day.
Seasonal Limitations on Load
Michigan Overweight permits are not granted throughout February through April, and seasonal limitationsht pe sometimes lower allowable axle weights by up to 35%. During these months, be sure your plans are appropriate.
In conclusion
In Michigan, transporting large cargo requires close attention to rules, but it may go smoothly with the correct assistance. From temporary and single-trip permits to superload authorizations, Note Trucking can help with all of your Michigan DOT permit requirements. To expedite your permission procedure and guarantee safe, compliant transportation, get in touch with us right now. For all of your Michigan oversize permit needs, let us be your go-to partner.
