MOTOR CARRIER DIVISION UTAH DEPARTMENT OF TRANSPORTATION

Chapter 19

Mobile and Manufactured Homes

LEGAL DIMENSIONS - NO PERMIT REQUIRED

  • Width: 8'6"
    Measured horizontally and at right angles to longitudinal center line between two vertical points established at the outside of any protuberance on the mobile/manufactured home. Safety appurtenances such as binder chains, clearance lights, rub rails, and load securing devices, may extend up to 3 inches beyond the prescribed width on either side.
  • Height: 14'
    Measured vertically from level road surface top highest point of mobile/manufactured home when hitched to tow vehicle and ready for the road or loaded on semi-trailer ready for the road.
  • Length: 45 feet. Single unit only
    Measured horizontally along the longitudinal centerline from the top trailer hitch to a right-angled vertical plane established to reference the rearmost protuberance on the mobile/manufactured home, or semi-trailer lowboy.
  • Length: 65' combination of unit and tow vehicle
    Trailer-tow combination or truck-trail and semi-trailer lowboy, measured horizontally along the longitudinal centerline from the front bumper of the tow vehicle to a right-angle vertical plane at the rearmost protuberance on the mobile/manufactured home, or semi-trailer lowboy.
Note: Safety appurtenances such as binder chains, clearance lights, rub rails, and load securing devices, may extend up to 3 inches beyond the prescribed width on either side

MEASURING MOBILE/MANUFACTURED HOMES UP TO 14'6" IN WIDTH

When the legal dimensions are exceeded, an oversize permit is required.

Mobile and manufactured homes with eaves greater than 12 inches shall be measured for overall width including eaves - otherwise, do not include eaves in measurement.

Pilot/escort vehicles are required as specified in Chapter 29 - Pilot / Escort Requirements.

MEASURING MOBILE/MANUFACTURED HOMES EXCEEDING 14'6" IN WIDTH

Mobile/manufactured homes exceeding 14 feet 6 inches up to 16 feet in wall-to-wall width, transported on their own running gear, may be issued a single trip permit under the following conditions:

  • All tires shall be in compliance with the manufacturer's tire load rating as indicated on the tire sidewall in accordance with 49 CFR 393.75(g)(1)(2).
  • Axle/suspensions shall not exceed manufacturer's capacity rating.
  • All trailer axles shall be equipped with operational brakes.
  • Mobile homes in excess of 16 feet wall-to-wall width may be permitted on a case-by-case basis. However, prior authorization must be received by contacting the Motor Carrier Division at (801) 965-4892 or (866) 215-5399.

Mobile Home Meauring Diagram

OBTAINING OVERSIZE AND/OR OVERWEIGHT PERMITS

Before moving a vehicle, with or without a load, which exceeds legal weight and/or dimensions outlined in the Legal Vehicle Dimension Section, a permit must be obtained. A permit must be obtained and carried in the vehicle for inspection by law enforcement personnel. Destroyed or illegible permits may be replaced at any port of entry. The appropriate permit for oversize and overweight vehicles and loads, including special mobile equipment, must be obtained prior to operating within the State of Utah, except when entering on I-15 (St. George), I-80 (Echo and Wendover).

DIRECTORY SECTION

Permits may be purchased online at www.udot.utah.gov/public/mcs prior to entry. Permits may be purchased by major credit card and may be issued based on annual permit dimension and weight, or on a single trip basis.