Because design and operation and problem existing on the use with the development of undertaking of communications and transportation Huzhou city domestic to have armored concrete to be empty and ( real ) heart plate girder bridge appear defect and disease of a certain degree .

由于设计、施工和使用上存在的问题，随着交通运输 事业的发展，我市境内既有钢筋混凝土空（实）心板梁桥均 出现了一定程度的缺陷和病害。