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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 on 2 lane & non-designated highways
Legal Height:13'6
Legal Length: Greater than 75'0
Legal Overhang Front:N/A
Legal Weight Gross:80,000
Legal Overhang Rear:N/A
Legal Trailer Length:N/A
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 Single:20,000 lbs.
Legal Weight Tandem:34,000 lbs.
Legal Weight Tridem: 34,000 lbs.
Legal Weight Quad:N/A
Legal Weight Doubles:34,000 lbs.
Legal Weight Triples: 34,000 lbs.
Load Exemptions:
PERMIT FEES​
Permit Fee/Legal Weight:$20.00

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.
Refer to legal weight as well
Superload Fees: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
AGENCY GENERAL INFO​
Phone:615-741-3821
Email:[email protected]
Status Phone:615-741-3821
Website:https://www.tn.gov/tdot
Hours of Operation:8:00 am - 4:30 pm Central
Permit Valid For: 10 Days

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