Mississippi oversize load permits
Mississippi caps at 13'6", the federal baseline and the limit in 26 states. 20 states allow 14'0" and two allow 14'6", so a load that ran legally elsewhere can be over-height here.
Mississippi permit requirements
The same seven sections for every state, so two states can be compared without re-learning the layout.
Permit required above
Exceed any one of these in Mississippi and the load needs a permit. No overall combination cap — the real trigger is 99' overall or a trailer longer than 53'. A trailer longer than 53' re-activates the state's 80' overall cap. Permigo files it for a flat $20, with the state's own fee billed at cost.
Front and rear overhang are capped separately, not combined. Exceed either and Mississippi requires a permit.
Filed from Houston, TX. A permit agent answers +1 (786) 494-6912, 7am–7pm CT, 7 days; no card needed for a quote.
Axle limits
Escorts by road type
Police escort required at the thresholds marked above.
Superload above
No separate superload class published — the permit thresholds above govern.
Movement windows
| Load | Window |
|---|---|
| ≤12' wide | sunrise → sunset (NWS) |
| >12' wide | 30 min after sunrise → 30 min before sunset |
| Night envelope: ≤12'W · ≤150,000 lb · ≤99'L · ≤13'6"H (route-dependent above) · ≤4' rear OH | night moves permitted; ≥10' wide takes the escort flip + rear ambers; <10' ambers only |
| Forestry/ag natural-state products | day or night with marking |
| 6 holidays | no movement after 12:00 noon the day before or on: New Year's, Memorial, July 4, Labor, Thanksgiving, Christmas |
| Weekends | open for single-trip permits (SHE blanket 12–14'W: Mon–Sat; hay/ag: daylight) |
| Weather | no overwidth movement in inclement weather; visibility <500' or hazardous wind/pavement = stop |
Travel restrictions
Other published tables
No additional tables published for this state.
Primary source: MDOT — permit manual, 2026 edition (PDF) ↗
Every figure on this page was checked against it on August 4, 2026.
Get Mississippi priced and filed
Send the route and a permit agent calls you back with Mississippi’s fee, any other state on the way, and one total. Filed from Houston, TX; we answer +1 (786) 494-6912, 7am–7pm CT, 7 days.
Already know the load? Start an order in FleetLynk, the filing app behind Permigo — or send the form and we set it up for you.
States that border Mississippi
Limits change at the line. One order covers every state on your route.
Mississippi oversize permits, answered
Do I need an oversize permit in Mississippi?
You need a permit in Mississippi once the load exceeds any one of these: 8'6" wide, 13'6" high, or 80,000 lb gross. There is no overall length cap on a normal tractor-semitrailer — the trailer itself is capped at 53' instead. Axle limits apply too — 20,000 lb on a single axle and 34,000 lb on a tandem.
When does Mississippi require an escort?
Mississippi requires no escort below 10' wide. Above that the requirement depends on the road type as well as the dimension, which is why the same load can need a front escort on a two-lane and a rear escort on a multilane.
Can I move an oversize load at night in Mississippi?
Daylight only above 12' wide. There is no general weekend blackout. Holiday movement is restricted.
What counts as a superload in Mississippi?
A load over 17' wide, over 15'7" high, over 121' long, over 189,999 lb is handled as a superload in Mississippi.
How much does a Mississippi oversize permit cost?
Permigo charges a flat $20 service fee per state permit. Mississippi's own permit fee is billed at cost on the same invoice, itemised, with nothing added. Call +1 (786) 494-6912 and we will price your exact route.
What happens if I move without a Mississippi permit?
Moving above Mississippi's limits without a permit is a violation, not a paperwork gap. The load can be stopped at a scale or by a trooper and held until a permit is issued, the fine is set by Mississippi and the citing officer, and a pattern of violations follows the carrier's safety record. If you are not sure the load needs one, when you need an oversize permit walks through the triggers.
Which kind of Mississippi permit do I need?
Most moves take a single-trip permit: one load, one route, a set number of days. Many states also sell annual or blanket permits for loads that stay within routine dimensions; whether Mississippi does, and for which loads, is on the state's own permit page. A superload is permitted separately and reviewed by the state — the thresholds are in the answer above. Permigo files whichever kind the load needs at the same $20 flat fee; what Mississippi itself charges is on the cost guide.
Is a Mississippi oversize permit the same as a Mississippi truck permit?
No. A "truck permit" usually means the paperwork a truck needs to cross Mississippi at all — a trip permit, a fuel permit (IFTA) or IRP plates — which the state's motor-carrier office issues. An oversize or overweight permit covers one load that exceeds Mississippi's legal size or weight, and that is what Permigo files.
Also useful: when you need a permit, pilot car requirements by state, and the interactive map of all 48 states.
Moving through Mississippi?
$20 flat per state permit, the state's fee at cost. A permit agent answers, 7am–7pm CT.