Minnesota Department of Transportation

511 Travel Info

Seasonal Load Limits

Spring Load Restriction Maps

I-35, St. Louis Count Road 405

These maps displays the six frost zones in Minnesota and the routes which have load restrictions (5 or 7 tons) during Spring Load Restrictions. Spring Load Restriction dates for each frost zone are announced at least three calendar days in advance at at Seasonal Load Limit Dates or from a recording at 651-366-5400 or toll free at 1-800-723-6543. Click here to view or download maps in pdf format.