superload

super- +‎ load

superload (plural superloads)

1. A very heavy load.
   • 2006, Gongkang Fu, Clementine Fu, Bridge Rating Practices and Policies for Overweight Vehicles, page 75:

     For loads over 500,000 lb (superloads), any other vehicles may not pass under the structure the permit vehicle is crossing.

   • 2011, Mohammed M. Ettouney, Sreenivas Alampalli, Infrastructure Health in Civil Engineering, page 434:

     The superload permits were approved based on conservative analyses, recommending crossing of the bridge in two patterns […]

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