Size and Weight Information | Colorado State Patrol

Vehicle Weight Limits

	Interstate (I-70, I-25, I-76)	*Non-Interstate*
Single Axle Limit	20,000 lbs	20,000 lbs
Tandem Axle Limit	36,000 lbs	40,000 lbs
Gross Weight Limit	80,000 lbs (Subject to Federal Bridge Weight Formula)	85,000 lbs (Subject to State Bridge Weight Formula)

Note: Triple Axles (or more) do not have a defined limit but the vehicle(s) still cannot exceed gross weight limits.

Gross Weight: The maximum gross weight is determined by finding the maximum bridge weight for the unit or combination that can be found here:

For more information and for the definitions of axles go to the following link:

For Dimension Limits go to the following link:

For Length limits go to the following link:

For Oversize/Overweight Information go to the following link:

Questions?