All oversize loads entering Gilbert, South Carolina must conform to the requirements set by the South Carolina Department of Transportation (SCDOT) and the Gilbert Department of Transportation (GILDOT).

In general, any vehicle over 11 feet in width, 14 feet 6 inches in height, and within the super heavy weight class (over 248,693 lbs) should obtain an oversize load permit from the SCDOT and potentially additional permits from GILDOT.

To navigate the complexities of Gilbert's infrastructure, it's crucial to plan routes that avoid sensitive areas like Gilbert Research Park and major construction zones along the Gilbert College Campus area.

Escort vehicles are required for oversize loads exceeding 16 feet in width or 15 feet 6 inches in height on highways and certain city streets. The South Carolina State Police often require escorts for loads that are particularly large or heavy.

For movements within Gilbert, the Gilbert Department of Transportation may mandate police escorts for oversize loads, especially during peak traffic hours. Scheduling these escorts requires advance notice, typically at least 69 hours prior to the move.

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

Required documentation for Gilbert 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.

Gilbert has strict time-of-day restrictions for oversize loads, generally prohibiting movements during peak hours (7-8 am and 4-6 pm, Monday-Friday).

Seasonal restrictions apply during major events like the the Gilbert Music Convention and the the Gilbert Heritage Celebration, which may impact routing and scheduling.

Certain neighborhoods, such as Downtown Gilbert and areas around the Gilbert River, 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 South Carolina 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 Gilbert, Gilbert 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.