- (1) The division may issue an overweight non-divisible load permit to a motor carrier for moving a vehicle or combination of vehicles and loads exceeding the legal limits if the requirements of this section are met.
(2) To be eligible for the permit described in Subsection (1):
- (a) the vehicles and loads must be reduced to the minimum practical dimensions;
- (b) the vehicle or combination of vehicles is properly registered for 78,001 to 80,000 pounds or the total gross weight of the vehicle; and
- (c) the actual axle and gross weights of the vehicles and loads must comply with the non-divisible bridge formula.
- (3) A permit for a non-divisible load may not be used to transport a divisible load.
(4) Vehicles with a gross vehicle weight of less than 125,000 may be permitted on a single-trip, semi-annual trip, or annual trip basis as described in Table 6:
TABLE 6Single-Trip, Semi-Annual, Annual Permits for non-divisible loads allowed up to:AxlesWeightSingle axle29,500 poundsTandem axle50,000 poundsTridem axleMust comply with non-divisible bridge table formulaTrunnion AxleMust comply with non-divisible bridge table formulaGross weight125,000 pounds
(5)(a) Tow trucks must be properly registered to purchase annual, semi-annual, or single-trip permits if they exceed legal weight limitations.
- (b) The properly registered or permitted weight of the towed vehicle is not calculated in the tow truck towed vehicle's gross combined weight.
- (c) Tow trucks must be properly registered and permitted for the weight of the tow truck and any additional weight placed upon it.
- (d) If the towed weight is not properly registered or permitted, the towing vehicle will be responsible for the permitting and registration requirements of the towed vehicle.
(6)(a) Vehicles transporting milk products may exceed the gross weight limit of 80,000 pounds or the maximum weight allowed by the bridge formula. This requires an appropriate non-divisible permit issued by the department.
- (b) Milk products being carried using multiple trailers will be required to abide by divisible requirements and will not get the non-divisible exception.
- (7) Non-divisible loads exceeding 125,000 pounds gross weight or axle weights specified in Table 5 may only purchase single-trip permits.
- (8) Nine-foot-wide axles are allowed 7.5% more weight than 8-foot-wide axles.
- (9) Ten-foot-wide axles are allowed 15% more weight than 8-foot-wide axles.
- (10) If using an axle equipped with eight tires, rather than four, add 10% to the weight authorized for an 8-foot-wide axle group.
- (11) STE operations must have an STE profile sheet if the axle weight limitations specified in Table 5 are exceeded.
- (12) Non-divisible loads registered for less than 78,001 pounds may be issued a non-divisible permit allowing non-divisible axle or axle group weights.
KEY: permits, safety regulations, size and weight, trucks
Date of Last Change: March 16, 2026
Notice of Continuation: April 30, 2024
Authorizing, and Implemented or Interpreted Law: 72-1-201; 72-7-406; 72-9-303; 41-1a-102; 41-1a-231; 41-1a-1206; 72-7-402; 72-7-404; 72-7-407; 72-9-301; 72-9-502