#pontoon_bridge__pontoonbridge__bateau_bridge__floating_bridge  a temporary bridge built over a series of pontoons
  supertype:  #bridge__span  a structure that allows people or vehicles to cross an obstacle such as a river or canal or railway etc.
  part:  #pontoon.barge  a floating structure (as a flat-bottomed boat) that serves as a dock or to support a bridge

No statement uses or specializes #pontoon_bridge; click here to add one.