761—511.13(321,321E) Single-trip permits. Single-trip permits are issued for indivisible vehicles or indivisible loads for travel when either the dimensions or the weight or both the dimensions and the weight exceed statutory limits. The permit shall be for a specific route between an origin and destination. Single-trip permits are issued for the following:
	511.13(1) Vehicles with indivisible loads, including special mobile equipment, mobile homes and factory-built structures, provided the following are not exceeded:
	a. 	Width. Limited to the maximum physical limitations and clearances of the roadway and infrastructure along the intended route of travel.
	b. 	Length. Limited to the maximum physical limitations and clearances of the roadway along the intended route of travel.
	c. 	Height. Limited only to the height of underpasses, bridges, power lines, and other established height restrictions. The carrier shall be required to contact affected public utilities when the height of the vehicle with load exceeds 16 feet 0 inches. At the discretion of the permit-issuing authority, a written verification may be required from the affected utility.
	d. 	Weight. See rule 761—511.17(321,321E).
	e. 	Distance. Limited at the discretion of the permit-issuing authority. The following factors shall be considered:
Road conditions; road width; traffic volume; weather conditions; and roadside obstructions, including bridges, signs and overhead obstructions.
	511.13(2) Reserved.
This rule is intended to implement Iowa Code sections 321.454, 321.456, 321.457, 321.463, 321E.2, 321E.3 and 321E.9.
[ARC 3193C, IAB 7/5/17, effective 8/9/17; ARC 4985C, IAB 3/11/20, effective 4/15/20; ARC 5428C, IAB 2/10/21, effective 3/17/21; ARC 6061C, IAB 12/1/21, effective 1/5/22; ARC 6405C, IAB 7/13/22, effective 8/17/22; ARC 7079C, IAB 10/4/23, effective 11/8/23]