Natural Bridge, Alabama regulations require all heavy haul operations to comply with the Alabama Department of Transportation (ALDOT) guidelines as well as local ordinances administered by the Natural Bridge Department of Transportation (NATDOT).

Heavy haul permits are required for any load exceeding 13 feet in width, 14 feet 0 inches in height, or 206,517 lbs in gross vehicle weight. These dimensions are strictly enforced throughout Natural Bridge, particularly in high-traffic areas.

Special consideration must be given to route planning to avoid Natural Bridge Civic Center and the vicinity of Natural Bridge Convention Center, which have infrastructure limitations or heavy pedestrian traffic that may impede oversized loads.

Alabama law mandates escort vehicles for any load exceeding 16 feet in width or 13 feet 6 inches in height. When traveling through Natural Bridge, these requirements may be more stringent depending on the specific streets and neighborhoods traversed.

The Natural Bridge Department of Transportation requires a minimum of 30 hours advance notice to coordinate police escorts, which are mandatory for super-loads or when traveling through congested areas of Natural Bridge.

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

Required documentation for Natural Bridge 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.

Natural Bridge has strict time-of-day restrictions for oversize loads, generally prohibiting movements during peak hours (6-8 am and 3-5 pm, Monday-Friday).

Seasonal restrictions apply during major events like the the Natural Bridge Film Games and the the Natural Bridge Summer Marathon, which may impact routing and scheduling.

Certain neighborhoods, such as Downtown Natural Bridge and areas around Natural Bridge Bridge, 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 Alabama 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 Natural Bridge, Natural Bridge 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.