MS state page · Last reviewed 2026-05-26

Mississippi Truck Weight Limits and Permit Sources

Mississippi truck weight reference with official permit links, FHWA weight source tracking, CTED overweight assessment context, and conservative seasonal status labels.

At-a-glance summary

Field Value Source Status Confidence
Gross Federal Interstate gross limit is 80,000 lb; Mississippi-specific limits are in the FHWA state law compilation linked here. inferred from official source medium
Single axle Federal Interstate single-axle limit is 20,000 lb; Mississippi-specific limits are in the FHWA state law compilation linked here. inferred from official source medium
Tandem axle Federal Interstate tandem limit is 34,000 lb; Mississippi-specific limits are in the FHWA state law compilation linked here. inferred from official source medium
Bridge formula Federal bridge formula checks apply on Interstate routes; verify state exceptions and permit conditions before movement. inferred from official source medium
Permit agency Mississippi Department of Transportation confirmed high
Seasonal / frost No official statewide seasonal or frost weight restriction was confirmed during this review. not found in official review low
Fine source Mississippi DPS CTED assesses overweight violations as civil delinquent privilege taxes under a fee schedule based on weight over the legal limit; assessments can be appealed to the CTED Appeals Board; verify the actual assessment notice and applicable statutory schedule before estimating amounts. inferred from official source medium

Field-level reference data

Regular weight limits

Gross vehicle weight limit Federal Interstate gross limit is 80,000 lb; Mississippi-specific limits are in the FHWA state law compilation linked here. inferred from official source medium
Single axle limit Federal Interstate single-axle limit is 20,000 lb; Mississippi-specific limits are in the FHWA state law compilation linked here. inferred from official source medium
Tandem axle limit Federal Interstate tandem limit is 34,000 lb; Mississippi-specific limits are in the FHWA state law compilation linked here. inferred from official source medium
Bridge formula applies Federal bridge formula checks apply on Interstate routes; verify state exceptions and permit conditions before movement. inferred from official source medium
Interstate notes Use FHWA Interstate limits together with the state source and any permit conditions. inferred from official source medium
Non-Interstate notes Use the reviewed state source and local postings for non-Interstate operation. inferred from official source medium

Axle and loading notes

Steer axle notes Steer axle review should include axle law, tire/equipment ratings, registration, and route postings. inferred from official source medium
Drive axle notes Drive axle groups should be checked against tandem/group limits and permit terms. inferred from official source medium
Trailer tandem notes Trailer tandem position changes distribution and may affect spacing-sensitive checks; re-weigh after adjustment. inferred from official source medium
Fifth wheel notes Fifth-wheel movement redistributes weight but does not create permit authority. inferred from official source medium
Bridge law notes Check FHWA bridge formula and the state source when axle spacing is close to a limit. inferred from official source medium

Oversize / overweight permits

Permit agency Mississippi Department of Transportation confirmed high
Permit office name MDOT Permits confirmed high
Official permit URL Mississippi DOT permit source. confirmed high
Online permit portal Use MDOT Permits official source for current online filing or portal links. inferred from official source medium
Permit contact Use contact information published by MDOT Permits. inferred from official source medium
Permit notes Permit terms, route conditions, dates, and vehicle configuration should be checked on the official permit source before travel. inferred from official source medium

Seasonal and special restrictions

Frost / seasonal restriction No official statewide seasonal or frost weight restriction was confirmed during this review. not found in official review low
Seasonal weight notes Local route, bridge, or permit restrictions may still apply; no statewide seasonal weight restriction was confirmed in this review. not found in official review low
Official seasonal URL not found in official review low

Fines and enforcement

Overweight fine structure Mississippi DPS CTED assesses overweight violations as civil delinquent privilege taxes under a fee schedule based on weight over the legal limit; assessments can be appealed to the CTED Appeals Board; verify the actual assessment notice and applicable statutory schedule before estimating amounts. inferred from official source medium
Overweight ticket notes Use the actual CTED assessment notice, the applicable fee schedule, and CTED Appeals Board review options before estimating amounts owed. inferred from official source medium
Enforcement agency Mississippi Department of Public Safety, Commercial Transportation Enforcement Division (CTED) inferred from official source medium
Fine official URL Mississippi DPS Commercial Transportation Enforcement Division overweight assessment source. inferred from official source medium
CSA / safety notes CSA impact depends on inspection and reporting; use FMCSA SMS materials and the actual inspection record. inferred from official source medium

Scale notes

Public scale notes A public scale ticket is a self-check record, not state permit authority. inferred from official source medium
Weigh station / enforcement notes Mississippi DPS CTED enforces commercial vehicle weight limits; MDOT truck weight law materials provide weight-limit context; compare scale readings with official limits and permit terms. inferred from official source medium
CAT Scale disclaimer CAT Scale tickets are private self-check records and do not replace official permits or enforcement decisions. inferred from official source medium
Scale ticket notes Use steer, drive, trailer, and gross readings to compare against official limits before travel. inferred from official source medium

Mississippi’s page now links CTED under the Mississippi Department of Public Safety for overweight assessment context and MDOT for permit authority; seasonal fields remain conservative until a statewide official restriction source is confirmed.

How to verify this yourself

Open Mississippi DOT permit materials for over-legal movement and verify regular limits against current Mississippi official sources.

FAQ

Where should I verify Mississippi permit requirements?

Use the official MDOT Permits source linked on this page before moving over legal size or weight.

Are Mississippi seasonal restrictions confirmed here?

No. This review did not confirm a statewide seasonal or frost source, so route and permit restrictions still need checking.

Are Mississippi overweight fines confirmed here?

The official Mississippi DPS CTED page is linked and describes overweight assessments as civil delinquent privilege taxes based on weight over the legal limit, with an appeals process; specific amounts require the actual CTED assessment notice and applicable statutory fee schedule.