These are the Mississippi DOT state shipping regulations, limitations, rules and laws for the trucking of oversize and over weight loads over the roads and highways in the state of Mississippi.
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Length: The maximum length permitted by Mississippi DOT is 53’ for trailers.
Width: The maximum allowed width is 8’ 6” wide.
Height: The maximum height permitted to travel on Mississippi roads and highways is 13’ 6”
Weight: 80,000 lbs overall GVW and nor more than 12,000 lbs on your steer.
Overhang: You are permitted to have front overhang of 3’ or less.
Notes: If you are not sure about any routes in Mississippi you can use their route checker here to look up your limits.
Length: Overall trucking permit limits for length are 120’.
Width: You can now get routinely approved for up to 20′ wide for some routes.
Height: 17’ is the maximum routine limit for permits.
Weight: Steer: 12,000 lbs, single axle: 20,000 lbs, tandem axles: 48,000 lbs, tridum axle: 57,000 lbs, and up to 63,000 if interstate only. Quadem axles: 64,000 or up to 72,000 if on interstates only. Maximum gross weights on 5 axles: 113,000 lbs, 6 axles: 123,000 lbs, 7 axles: 128,000 lbs, 8 axles: 141,000 lbs.
Overhang: Mississippi DOT has no set limitation for overhang for routine permits should not be a problem unless you intend on exceeding the law of 1/3 (no more than 1/3 of item being shipped overhangs).
The Mississippi DOT permit office will classify you as a superload if you are over 120′ in length, 15′ 6″ in height or over 20′ wide. If you exceed any of these weights or dimensions then you will have to do a whole review to include drawings of the item being shipping, trailer and axle spacings as well as the route you want to travel your shipment over.
Daylight hours are define as 1/2 hour after sunrise and 1/2 hour before sunset. Travel is permitted on Saturdays with no travel at all permitted on Sunday. If your shipment is in excess of 12′ wide you may not travel on Saturday. You may not travel on the following holidays: New Years day, Memorial day, Independence day, labor day, Thanksgiving day and Christmas day. You may not move any later than 12 noon on any day that comes before one of these holidays. For shipments that are in excess of 12′ in width you are strongly encouraged to route your shipment around high traffic density areas and may not travel in areas of high traffic from 7 AM – 8:30 AM and again from 4:30 – 5: 30 PM with the exception of I-10 ( travel during these hours is permitted).
WE ARE UPDATING THESE LIVE MAY 22, 2014