穿越城区公路高架桥项目由于参与主体众多,建设和施工环境复杂使得工程项目的复杂性增加,文章基于复杂系统理论,分析了穿越城区公路高架桥项目的系统复杂性,包括规模复杂性、目标复杂性、环境复杂性和信息沟通复杂性,提出了基于多目标优化的目标管理体系、管理支持保障体系和项目全寿命周期的管理模式。 Due to the large number of participants and the complicated construction and construction environment, the project of viaduct crossing the urban highway has increased the complexity of the project. Based on the complex system theory, the article analyzes the system complexity of the viaduct project crossing the urban highway, including the complexity of the scale, the complexity of the target, Environment complexity and information communication complexity, a management system based on multi-objective optimization, a management support system and project life-cycle management model is put forward.