Axle Weight Limits
Federal bridge formula limits axle groups. State permits authorize specific weights above standard limits for approved routes.
In-depth overweight permit requirements & state weight compliance for dispatchers and owner-operators.
Operating above legal axle or gross weight limits requires state-specific overweight permits, route surveys, and often pilot cars. Bridge formula compliance (Federal Bridge Law) determines maximum weight per axle group.
Federal bridge formula limits axle groups. State permits authorize specific weights above standard limits for approved routes.
Overweight moves require pre-approved routes avoiding restricted bridges and local weight limits.
Wide and heavy loads may require front/rear pilot cars depending on dimensions and state rules.
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