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Tennessee Oversize Permits

Below is some important oversize permit regulation information for the state of Tennessee.

In Tennessee, you need an oversize permit if your vehicle exceeds 8’6″ wide, 13’6″ high, 75′ long or 80,000 pounds. 

If you need to apply for a Tennessee oversize permit, call (888) 737-6483 now or contact us. 

LEGAL DIMENSIONS & WEIGHTS​
Legal Width:
  • 8'6
  • 8’0
    • 2 lane & non-designated highways
Legal Height:13'6
Legal Length: Greater than 75'0
Legal Kingpin:
  • Greater than 50'0
  • Measured from the center of the fifth wheel
    to the end of the trailer or load
  • Whichever is greater
  • Greater than 48’0
    • Midway Point measurement required for OS/OW permit
      • Refer to Kingpin & Midway Point
        Measurement diagram below
Legal Weight Gross:80,000 lbs.
Legal Weight Single:20,000 lbs.
Legal Weight Tandem:34,000 lbs.
Legal Weight Tridem: 34,000 lbs.
Legal Weight Doubles:34,000 lbs.
Legal Weight Triples: 34,000 lbs.
PERMIT FEES​
Permit Fee/Legal Weight:
  • Width:
    • 14’0  or less
      • $20.00 + $1.00 fee
    • Greater than 14’0
      • $30.00 + $1.00 fee
    • Greater than 16’0
      • $30.00 + $5.00 per ft. or fraction of + $1.00 fee
    • Houseboats
      • Greater than 17’0 wide
        • $2,500 + $100 for each
          additional inch and/or
          fraction + $1.00 transmission fee
  • Height:
    • Greater than 13’6
      • $20.00 + $1.00 transmission fee
  • Length:
    • Over 75’0
      • $20.00 + $1.00 transmission fee
Permit Fee/Overweight:
  • Base fee + $0.06 per ton mile over 80,000 lbs.
  • Evaluation of Bridges and Structures
    • Greater than 165,000 lbs.
      • $100.00
    • Greater than 250,000 lbs.
      • $300
    • Greater than 500,000 lbs.
      • Actual cost (determined by state)
    • Fees are non-refundable and charged to the customer in addition to permit cost.
Mileage Fees:$0.06 per ton/mile
Annual Fees:Refer to Annual link below
Additional Fees:$1.00 Transmission fee added to all permits
Important Links:

2017 Annual Permit Types

Permit Fees

AGENCY GENERAL INFO​
Phone:615-741-3821
Email:[email protected]
Website:

https://www.tn.gov/tdot

Hours of Operation:8:00 am - 4:30 pm Central
Permit Valid For: 10 Days
Notes:
  • Oversize & overweight Permit office phone hours
    • Monday-Friday 8:00 am-4:30 pm
      • Closed 12:00 pm-1:00 pm for lunch

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