Minnesota Department of Transportation

511 Travel Info

Oversize/Overweight Permits

Find out if you need a permit

Generally speaking, you will need and oversize/overweight permit when vehicle and load dimensions exceed:

Dimension Size/Weight
Width 8’ - 6”
Height 13’ - 6”
Length 45’ - 0” (Single vehicles)
75’ - 0” (Combination vehicles)
Weight 80,000 lbs

A MnDOT permit is not valid on county, municipal, township or other local roads.

Temporary weight increase permits

Having an oversize/overweight permit does not increase your vehicle’s registered weight. You can get a temporary weight increase permit from the Minnesota Department of Public Safety.