According to the investigation and analysis of erosion damage to bridge pile foundation at inland river in Shaanxi region,analytic hierarchy process-fuzzy comprehensive evaluation method was used to establish the evaluation index system and comprehensive evaluation model of erosion damage to bridge pile foundation,and then according to the safety integrity level classified by the evaluation model,the different security measures were formulated.By use of the model established,the situation of erosion damage to pile foundation of Hanjiang First Bridge in Hanbin District,Anking City was evaluated as follow:the erosion safety integrity level of the Bridge is Level Ⅱ currently,there had some abrasion at the bridge pile foundation,but the structure has high degree of integrity with normal performance.The analysis result is in good agreement with the actual situation at the site.
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