本文回顾和总结了21世纪前10年现代预应力技术在我国城市桥梁建设的创新发展。从设计理念、设计思想上,以及新技术、新材料、新工艺及其应用情况等方面来展示创新情况,并给出了4个典型工程案例。本文对现代预应力技术在城市桥梁建设的应用和发展作出了展望,积极倡议建造反映21世纪第二个10年科技水平的新型桥梁结构,推进我国向世界桥梁建设强国的目标迈进。 This paper reviews and summarizes the innovation and development of modern prestressed technology in the urban bridge construction in China in the first 10 years of the 21st century. From the design concept, design thinking, as well as new technologies, new materials, new technology and its application situation and so on to display innovation, and gives four typical project cases. This paper makes a prospect of the application and development of modern prestressed technology in the construction of urban bridges and actively advocates the construction of a new type of bridge structure that reflects the scientific and technological level of the second decade of the 21st century and advances our country’s goal of becoming a powerful country in bridge construction.