■　我国桥梁现状略析随着城市建设和交通运输事业的迅猛发展 ,道路交通量大幅度增长 ,行车密度及车辆载重越来越大 ,使得普通道路发展仍然处于滞后状态 ,而现有城市桥梁和公路桥梁中有相当一部分已不能满足使用上的要求 ,完善公路网提高公路等级 ,旧桥利用桥梁技术改造成了关 ■ A Brief Analysis of the Status Quo of Bridges in Our Country With the rapid development of urban construction and transportation, the volume of road traffic has increased substantially and the traffic density and the load of vehicles have been increasing. As a result, ordinary road development is still lagging behind. However, A considerable part of the highway bridge has been unable to meet the requirements of the use, improve the road network to improve the highway level, the old bridge using bridge technology to transform into a