1、設計荷載過低
由you於yu設she計ji時shi沒mei有you充chong分fen考kao慮lv到dao車che流liu量liang的de增zeng加jia和he超chao載zai車che輛liang的de數shu量liang，支zhi座zuo設she計ji時shi按an照zhao正zheng常chang承cheng載zai力li水shui平ping進jin行xing設she計ji，承cheng載zai能neng力li的de富fu餘yu量liang不bu足zu，導dao致zhi支zhi座zuo的de設she計ji荷he載zai不bu能neng滿man足zu現xian實shi中zhong車che輛liang運yun行xing所suo需xu要yao的de荷he載zai要yao求qiu，致zhi使shi支zhi座zuo長chang期qi處chu於yu超chao載zai運yun行xing狀zhuang態tai下xia，支zhi座zuo較jiao早zao的de出chu現xian了le病bing害hai。
2、橋梁支座破損，開裂
一是橋梁支座本身為不合格產品，極限抗壓強度不夠，承載力不足
二是施工安裝不合理導致支座破損，開裂，三是支座養護不到位導致損壞。
3、橋梁整體滑移
zaiquxianqiaoliangzhong，tebieshixiaobanjingquxianqiaozhong，youyuquxianqiaodezishentedian，cunzaineiliangxiezai，wailiangchaozaidexianxiang，qiaoliangzaiyunxingqijianyouzhengtiwaiyidequshi，ruguoquxianqiaodeyupianxinjushezhibudang，jianghuidaozhiqiaoliangdezhizuobeijianqiepohuai。
4、橋梁支座偏位
橋梁支座偏位是目前支座安裝上存在Zpubiandewenti，fenweizongxiangpianweihehengxiangpianwei，yanzhongdezhizuopianweijiangzaochengzhizuobujunyunshouli，liangtifujianeiliguodadengbinghai，zhizuopianweichanshengdeyuanyinzhuyaoshizhizuodianshifangyangbuzhunhuozhizuoanzhuangweizhibuzhunque。
5、橋梁支座養護不及時
youyuqiaoliangzhizuozaiduntaidingbu，chuyubijiaogaodeweizhi，suoyijianceheyanghudoufeichangbubian，congerdaozhizaipingshideluqiaoyanghuzhongdehulveheduizhizuoyanghudebudaowei，ruguoqiaoliangshensuofengdexiangjiaozhishuidaipohuai，daozhizhizuochudeliangtiyoushenshuixianxiang，zhizuobeishuijinshi，zhizuolaohuadesuduhuijinyibujiakuai，ruguoyanghubujishi，bunengjishiqieduanshuiyuan，zhizuopohuaidesuduhuiyuelaiyuekuai，ruguotongyipianliangdixiadezhizuoyouyigefashenglepohuai，lingyigezhizuoyejianghenkuaipohuai，penshixiangjiaozhizuotongguohuadaolaishixianshensuogongneng，yidanpenshixiangjiaozhizuozhouweiduijiyouzawu，ruguobunengjishiqingli，zaifenghezaidezuoyonghuoqitawailizuoyongxia，kenenghuidaozhimouxiezawujinrudaopenshizhizuohuadao，daozhihuadaobeikasi，zhizuobunengziyoushensuo，shiquzhengchangdeshensuogongneng。
6、施工質量不合格
youyushigongqijianbunengyangebaozhengshigongzhiliang，daozhizhizuodianshicunzaiyidingdegaocha，dangzhizuoanzhuangwanchengyihou，liangdidezhizuobunengbaozhengyongshishouli，gaochaxiaoshikenengyinqizhizuoshoulibujun。ruguogaochaguoda，kenengdaozhigebiezhizuochuxiantuokongxianxiang，eryouxiezhizuochuxianshouliguodadengxianxiang。
