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Oversize Overweight OS/OW Superload
Exceeding
53' trailer length,
8'6" wide, and
13'6" high
Exceeding
80,000 lbs
Exceeding legal
weight and dimension
Exceeding
120' long,
16' wide,
15' high, and
180,000 lbs
Single Trip =
Length -
65'-120' = $15.00
Width -

8'6" - 10' = $10.00
10'1?-12' = $15.00
12'1?-14' = $25.00
14'1?-16 = $30.00
16'1?-17' = $30.00
17 and up = $30.00
(+ $5.00 for each
added foot or fraction
after 17')
Height -
13'6"-15'1? = $15.00
Single Trip =
$15.00 +
$0.05 per
Ton Mile
Single Trip =
OS fee +
OW fee
TBD upon review
of application
stating detailed
proposal of
desired route,
vehicle used, load description
with weight and
dimension
(*see Superload
Overweight Fees
chart below)
Superload Overweight Fees
Loads over 200,000 lbs but no more than 300,000 lbs = $100.00
Loads over 300,000 lbs but no more than 500,000 lbs = $300.00
Loads over 500,000 lbs but no more than 1 million lbs = $500.00
When Escorts are Needed: # of Escorts:
Over 15' high is generally not issued. ôProof of Necessityö and proper safety precautions are
necessary to be authorized with special routing.
Moves over 16' wide will not be permitted without ôProof of Necessityö
On 2 Lane Highways
Width over 10' up to 12'6" - where
pavement width (excluding shoulder)
is less than 24'
1 front
Width over 10' up to 12'6" 1 front
Where pavement width
(excluding shoulder) is less than 24'
Width over 10' up to 12'6" 1 flag person
@ Bridge structures where road width
is less than 20'
Width over 12'6" up to 14' 1 front
On 4 Lane Highways
Width over 12'6" up to 14' 1 front
On 4 Lane Highways
Width over 12'6' up to 14' 1 front
On All Highways
Width over 14' (is approved) 2 (front and rear)
Height over 13'6" up to 15' No escort needed
Special Permit Needed w/sSecial Routing
Height over 15' (if approved)
using high pole
1 front
Length over 75' up to 85' Needs light visible
Length over 85' up to 120' 1 rear
Length over 120' 2 (front and rear)
Moving houses 2 (front and rear)
GVW over 150,000 lbs needs approval
by TN DOT
On 4 or more Lanes
Width  over 2' up to 14' 1 front
Width over 14' up to 16' 2 (front and rear)
*Houseboats
Width over 12' up to 14'
on all 4* lane highways
1 rear
Width over 14' up to 16'
on all highways
2 (front and rear)
*Loads 16' wide and over are restricted to Tuesday, Wednesday and Thursday. Houseboats
over 8' wide will be subject to fees dictated by TN DOT code.

Overhang Requirements:

No limit to front and technically no limit for the rear. However, if load is 48? or more in the rear, red flags are required during the day and lights are required at night.

Permits Valid For:

Single Trip Permits are valid for six (6) travel days.

Operating Time

Permitted loads are allowed travel from one-half hour before Sunrise to one-half hour after Sunset, Monday through Saturday.  Loads that are permitted for over-weight only are allowed continuous travel, twenty-four (24) hours a day, seven (7) days a week.

Weekend Travel

Permitted loads are allowed travel on Saturdays from Sunrise to Sunset.  Permitted loads are restricted from travel on Sundays.

Divisible Loads

Permits are not issued for divisible loads.  Permits will only be granted for loads that cannot reasonably be dismantled or reduced to their lowest possible size and weight.  Items and attachments that have been removed in order to reduce size or weight are required to be shipped as a separate load.

Exceptions

Equipment such as bulldozers with blades or other protruding sharp objects of any kind which create an over-width dimension ranging from 10'6ö wide to 13'6ö wide must be loaded in such a manner as to place the blade or protruding sharp object to the rear of the hauling equipment.  No permit will be issued for blades or protruding sharp objects creating width in excess of 13'6ö wide.  If blades or other protruding sharp objects exceed 13'6ö wide, they must be removed and shipped as a separate load.

Restricted Travel

Permitted loads that are 85' long or greater in length and/or 12'6ö wide or greater will not be allowed within any statewide city limits, or any heavily traveled adjoining commercial or residential areas between the hours of 7:00 - 9:00 a.m. and 4:00 - 6:00 p.m. from Monday through Friday.

Permitted loads are restricted from travel during inclement weather such as driving rains, snow, ice, sleet, and high winds.

Spring Weight Restrictions

There are no Seasonal Weight Restrictions for the State of Tennessee.

Superload Requirements

Loads or vehicles that are 120' long x 16' wide x 15' high and 180,000 lbs. or more are considered Super-loads.  Super-load applications must be submitted in writing and contain a detailed proposal of movement, detailed sketch of vehicle and cargo, tire size, axle spacing, axle weight and overall dimensions of hauling vehicle, cargo, and the combination of both.  Loads that are 16' wide and 150,000 lbs. or more must contact the Bridge Department for Routing requirements.

Super-load permits are valid for six (6) days.  Super-load applications should be allowed up to five (5) days for processing and approval.