This paper discusses on how to do well in bridge maintenance, especially for highway bridge maintenance, in order to improve the bearing capacity and driving performance of the old bridge and enlarge the service life.%本文就如何做好桥梁养护维修工作，特别是高等级公路桥梁养护及其维修工作，提高旧桥承载能力和行车性能，延长服务年限等进行了详细的论述。
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