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Mississippi Overweight/Oversize Permits

Mississippi Overweight PermitsPermit Types

Obtain Mississippi Oversize/Overweight permits calling at

(888) 799-8858.

1.Single Trip Permits

Valid for 3 days.

  • Oversize – Max dim: 120′ length, 15’6″ height, 16’11” width.
  • Overweight – Max 189.999 lbs weight.
  • Oversize/Overweight – Max dim: 120′ length, 15’6″ height, 16’11” width, 189.999 lbs weight.
  • Sealed Container – Max 95.000 lbs weight.
  • House Moves – The customer must phone the District Permit Office in the district where the house move permit route begins, in order to create the permit.
  • Dirt Pan In-Tow – Tractors with dirt pans. Max 16′ width.
  • Superload – Over 120′ length, 15’6″ height, 16’11” width and 189.999 lbs weight.
  • Timber Industry 12′ rear overhang – Max dim: 99′ length, 53′ long trailer, 12′ rear overhang.
  • Timber Industry two-piece load – For timber industry equipment. Max 14′ width, 100.000 lbs weight.

2.Annual Permits

  • 57′ Box Van Trailer Blanket – Max dim: 99′ length, legal width, height and weight. Company specific.
  • Forestry Blanket – Max dim: 99′ length, 14′ width, 14′ height, 100.000 lbs weight. Truck specific.
  • Hay Blanket – Max dim: 99′ length, 10’6″ width, 14′ height, 53′ long trailer, legal weight. Company specific.
  • Over Length Truck and Trailer Blanket – Max dim: 99′ length, legal width, height and weight. The load must be non-divisible or the hauling multiple items can not create an additional over-dimension. Company specific.
  • Oversize Blanket – Max dim: 120′ length, 14′ width, 14′ height, 14’11” rear overhang, legal weight. The load must be non-divisible or the hauling multiple items can not create an additional over-dimension. Company specific.
  • Pole Blanket – Max dim: 120′ length, 40′ rear overhang, legal width, height, weight. For unprocessed poles, must travel on the same route. Company specific.
  • Special Heavy Equipment Blanket – Max dim: 99′ length, 14′ width, 99′ length, 150.000 lbs weight. Truck specific.
  • Timber Industry 12′ Rear Overhang Blanket – Max dim: 99′ length, 53′ long trailer, 12′ rear overhang, legal width, height and weight. For logs. Truck specific.
  • Harvest Permit – (Sand, Gravel, Fill Dirt, Agricultural Products, Unprocessed Forestry Products) Max 84.000 lbs weight. Truck specific.
  • Port Permit – For agricultural products. Max 100.000 lbs weight. Must travel on the same route. Truck specific.

OPERATING TIME

One-half hour after sunrise to one-half hour before sunset, Monday through Saturday, with no Sunday travel allowed. In addition, 24-hour movement (including Sunday) is now being allowed for loads not exceeding 12′ wide, 13’6″ high, 99′ overall length, 150,000 pounds GVW, 4′ rear overhang. However, when the load is over 10′ wide, an escort is required for night travel.

 

LEGAL DIMENSIONS

Width: 8’6″
Weight: 80,000 lbs – gross weight

 

  • Single – 20,000 lbs
  • Tandem – 34,000 lbs
  • Tridem – 42,000 lbs
Length:

 

 

  • 53’0 trailer
  • 99′ overall length
Overhang:

 

 

With up to 53′ trailer

 

  • 3′ front
  • 14’11” back (28′ forest products)
Height: 13’6″

PERMIT LIMITS

Width: 16′
Weight:

 

 

  • Single – 20,000 lbs
  • Tandem – 48,000 lbs
  • Tridem – 57,000 lbs (60,000 lbs on Interstate)
Length: 120′
Height:

 

 

  • 15’6″ (over 15’7″ requires a route survey)
  • 16’ (Over 16′ requires a route survey, utility company letters, and a special approval.)

Obtain Mississippi Oversize/Overweight permits calling at (888) 799-8858.

 

ESCORTS

On All Highways:

Width over 10′ wide at night needs 1 escort and flashing amber
lights 
Width over 12′ needs 1 escort
Width over 16′ needs 2 escorts
Length over 99′ needs 1 escort (2 escorts on certain routes)
Length over 105′ needs 2 escorts
Overhang(rear or/and front) over 15′ will need 1 escort
Height over 15’7″ will need a route survey

 

DOT might require an escort vehicle with a high pole for certain routes if conditions apply.

Note: Rear escort for width may be replaced by 2-5″ flashing amber lights sufficient for 500 ft visibility mounted approximately 6 ft above the road surface on the rear corners of the load – control of lights must be inside towing vehicle with the device to alert the driver in the event of a malfunction.

 

SIGNS, FLAGS & LIGHTS

“Oversize Load” signs are required for all loads exceeding 12 feet wide. Flags are required on all corners of loads (mounted at a height of approximately six feet above the pavement) on loads exceeding 10 feet wide. Loads over 12′ in width require flashing amber lights mounted on the rear of the load and flags on the front corners or the load. Over-length loads and overhang in excess of 4 feet must be flagged.

Obtain Mississippi Oversize/Overweight permits calling at (888) 799-8858.