为了提高桥梁使用养护的效果,对桥梁状态进行及时、准确的评估,是有着重大意义的。这样的评估只有通过定期的检查,才能获得。可是在一些地区却显得很落后。绝大多数的公路桥梁,从修建以后,一般都没 In order to improve the effect of bridge maintenance, it is of great significance to conduct a timely and accurate assessment of the status of the bridge. Such assessment can only be obtained through regular inspection. But in some areas it seems very backward. The vast majority of highway bridges, after construction, are generally empty