Ningbo Meishan Chunxiao Bridge is the first all welded steel bridge with vertical shift type of double layer. This article introduces the process of making three-dimensional forward design of the bridge by independently developed BIM software, shares multiple specialty data information through unified management of platform. It also combines several applications to optimize BIM technology. Among them, the successful use of new technology such as unmanned aerial vehicle terrain survey, virtual reality, test assembling of digital scan also laid a good foundation for the BIM development of the similar projects.