Transporters operating oversize loads in Charleston, Mississippi must adhere to regulations enforced by both the Mississippi Department of Transportation (MSDOT) and the Charleston Department of Transportation (CHADOT).

Permits are mandatory for vehicles exceeding standard dimensions of 13 feet in width, 13 feet 6 inches in height, or those weighing more than 192,046 lbs. Additional local permits may be required for specific routes within the city limits.

Due to Charleston's unique infrastructure constraints, carriers must exercise caution when navigating near Charleston Stadium and should plan alternate routes around Charleston Bridge during peak hours.

Mississippi law mandates escort vehicles for any load exceeding 14 feet in width or 13 feet 6 inches in height. When traveling through Charleston, these requirements may be more stringent depending on the specific streets and neighborhoods traversed.

The Charleston Department of Transportation requires a minimum of 38 hours advance notice to coordinate police escorts, which are mandatory for super-loads or when traveling through congested areas of Charleston.

The Mississippi Department of Transportation manages the primary application process for oversize permits, with supplementary permits required from Charleston Department of Transportation for transit through Charleston limits.

Required documentation for Charleston permits includes axle configuration diagrams, proof of insurance with appropriate coverage levels, and detailed transport plans. Engineering assessments may be required for loads exceeding standard weight thresholds on certain streets and bridges.

Charleston has strict time-of-day restrictions for oversize loads, generally prohibiting movements during peak hours (7-8 am and 3-6 pm, Monday-Friday).

Seasonal restrictions apply during major events like the the Charleston Food Exposition and the the Charleston Sports Tournament, which may impact routing and scheduling.

Certain neighborhoods, such as Charleston Center and areas around Charleston Basin, have restricted access for oversize loads. Alternative routes should be planned in advance to avoid these areas.

The base permit fee for an oversize load in Mississippi is $40, with additional fees for super heavy loads (over 200,000 lbs) ranging from $150 to $350 depending on the complexity of the move.

For movements within Charleston, Charleston Department of Transportation may charge additional fees for city-specific permits, which can range from $75 to $500 or more for particularly complex routes or those requiring extensive coordination with city agencies.