在日渐繁荣的现代社会,公路与桥梁的建设质量越来越受人们关注,而与之相关的路桥设计也相应的运用了许多新的技术。本文详细的介绍了较多的计算机技术,GPS技术以及高性能混凝土在路桥设计中的应用,以此简单阐述这些新技术的作用,从而合理和科学的应用于路桥设计中,提高路桥设计的质量,促进我国路桥工程的全面发展。 In the increasingly prosperous modern society, the quality of the construction of highways and bridges is drawing more and more attention, and the related road and bridge design also applies many new technologies correspondingly. This article introduces more computer technology, GPS technology and the application of high performance concrete in the design of road and bridge, in order to explain the role of these new technologies in a simple way, so as to apply reasonably and scientifically in road and bridge design and improve the quality of road and bridge design , Promote the all-round development of road and bridge engineering in our country.