Earlydamagedetectiononstructuresplaysaveryimportantroleforensuringsafetyandreliability.Thispaperprovidesanefficientmethodbasedonwavelettransformsinordertodetectandlocalizedamageonstructuressubjectedtomovingloadssuchasbeamsandbridges.Anumericalmodelbasedontheexperimentaltest-rigutili