Combining with working experience,the paper introduces major manifestation forms of jointless track and turnout diseases. Starting from aspects of horizontal beam-isolating board broken,bridge bearing displacement overrun and slab culvert disease,it analyzes bridge equip-ment maintenance strategies,with a view to prolong the railway bridge service life.%结合工作经验，介绍了无缝线路与道岔病害的主要表现形式，从并置梁横隔板断裂、桥梁支座位移超限、盖板涵病害等方面，分析了桥隧设备大维修的策略，旨在延长铁路桥梁的使用年限。
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