R909-2-24. Overweight Divisible Load Provisions

(1) An overweight divisible load permit may be issued for moving a combination of vehicles and loads exceeding the legal limits under the following conditions:

(a) The vehicle or combination of vehicles is properly registered for 78,001 to 80,000 pounds;

(b) The width of the vehicle does not exceed 8 feet 6 inches wide or 14 feet 6 inches high;

(c) All axles weighing more than 11,000 pounds are required to have at least four tires per axle except for steering axles, self-steering variable load suspension or retractable axles, or wide base single tires, that are 14 inches or greater as indicated by the manufacturer's sidewall rating.

(2) Overweight divisible load options are:

(a) dual tires on all axles;

(b) super wide single tires that are 14 inches wide or greater;

(c) not to exceed 11,000 pounds per axle;

(d) the axle, groups of axles, and GVW do not exceed the bridge formula W = 500(LN/(N-1) + 12N+36); and

(e) all axles in the group must be duals or super singles to be allowed maximum authorized weight.

(3) The combination unit will conform to the bridge formula and the legal axle and gross vehicle weight limits.

(4) A divisible load permit may not be used to transport a non-divisible load.

(a) Exception. An overweight non-divisible load may operate with a divisible overweight permit provided the axle, gross and bridge limitations do not exceed those specified on the permit.