Super loads - Missouri

Loads with dimensions or weights exceeding a width of 16 feet, a height of 16 feet, length of 150 feet, and/or over 160,000 pounds gross weight require permits from the Missouri DOT Motor Carrier Services Division.

Applications are available upon request or online and must be submitted two weeks in advance. A minimum of $425 in escrow may be required to cover the bridge analysis. Applicants for super heavy and large load movements may be required to provide traffic control plans or sketches, or utility company approval (for movements exceeding 17 feet in height).

Generally the maximum weight allowed on any single axle is 22,400 pounds. All axles on the unit must be load carrying with a maximum degree of equalization.

Travel on interstate and other divided highways is allowed from ½ hour before sunrise to ½ hour after sunset except where restricted in tourist and urban areas. No movements are allowed from 6:30 to 9 a.m. and 3:30 to 6 p.m. on all other routes on the state highway system. Travel is generally allowed on Saturday and Sunday for moves 14 feet wide or less, although certain exceptions may apply. Dates and travel times will be specified on the permit.

If Missouri State Highway Patrol escorts are required for a continuous portion of the move, but not the entire move, they are only required for that portion. If the patrol escort is required for an intermittent portion of the move, they will be required to escort the entire move. Super Loads have specific escort requirements contact Missouri DOT Motor Carrier Services Division for more information on super heavy and large load movements.

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