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NEW HAMPSHIRE PERMITS DETAILS

New Hampshire Dot Permits

New Hampshire

New Hampshire Department of Transportation Bureau of Highway Maintenance

Address: John O. Morton Building P.O. Box 483 Concord, New Hampshire 03302

Contact: (603) 271-2691

Hours: 8:00 A.M. – 4:00 P.M. (ET)

Weight:

Single25,000
Tandem50,000
Tridum70,000
Quad85,000

Gross Weight:

5 Axles130,000
6 Axles140,000
7 Axles150,000
8 Axles150,000 Goes to bridge division

Length: 90’

Width: 16’

Height 16’

Dimension over 13’6 high requires a route survey. No permits for height over 15′ on all turnpikes.

OS/OW Permit shall be submitted to Bridge Design for bridge review if:

  • Any bridge on the proposed route has a load posting or weight restriction
  • Any axle spacing less than 4′-0″
  • Any single axle exceeds 27,500 pounds. (10′-0″ or more to any adjacent axle)
  • Any axle of a tandem group exceeds 25,000 pounds. (see note 2)
  • Any axle of a tridem group exceeds 22,500 pounds. (see note 2)
  • Any axle of a quad group exceeds 20,000 pounds. (see note 2)
  • Any group of five axles. (see note 2)
  • Any 2-Axle Single Unit exceeds 55,000 pounds.
  • Any 3-Axle Single Unit exceeds 72,500 pounds.
  • Any 4-Axle Single Unit exceeds 90,000 pounds.
  • Any 5-Axle Single Unit exceeds 100,000 pounds.
  • Any Single Unit, with 6 or more axles, exceeds 110,000 pounds.
  • Any 3-Axle combination Unit exceeds 82,500 pounds.
  • Any 4-Axle combination Unit exceeds 95,000 pounds.
  • Any 5-Axle Combination V ehicle exceeds 108,000 pounds.
  • Any 6-Axle Combination V ehicle exceeds 120,000 pounds.
  • Any 7-Axle Combination V ehicle exceeds 130,000 pounds.
  • Any Combination Vehicle, with 8 or more axles, exceeds 149,999 pounds.

When Escorts Are Needed:

# of Escorts

Width 12’ and over1 Front
Length 80’ and over1 Front
Overhang 15’ and over w/12’ width1 Front + 1 Rear

Police Escort: Cost $132/ half day (State Police need 48 hour notice)

Width 18’ and over
Length 100’ and over

 

Vectra Heavy Haulers, a company for heavy haul transport with a formidable reputation, will ensure secure and trusted delivery services according to your needs.

Did you know that we have information on Maine oversize permits as well?

We always follow the federal, state and local Over-Weight Over-Dimension Permits for this. For more New Hampshire permit Oversize/Overweight Permit (OSOW) office regulation information.