1999年1月4日,重庆綦江彩虹大桥突然整体垮塌,造成40人死亡,14人受伤,直接损失600万余元。据调查,綦江县个别领导干部存在玩忽职守的问题,该项工程未经主管部门立项,无可行性研究报告,设计系个人行为;工程施工者是个体业主; On January 4, 1999, the Chongqing Qijiang Rainbow Bridge suddenly collapsed as a whole, killing 40 people and injuring 14 others, with a direct loss of over 6 million yuan. According to the investigation, some leading cadres in Qijiang County have the problem of dereliction of duty. The project has not been approved by the competent department and has no feasibility study report. The design department is a personal agent; the project builder is an individual owner;