Core Viewpoint - The successful implementation of the first domestic steel arch rib lateral rotation construction technique at the Hongqi Bridge project marks a significant breakthrough in bridge construction, enhancing efficiency and laying a crucial foundation for the bridge's scheduled completion in October 2025 [1][3]. Group 1: Project Overview - The Hongqi Bridge, located in the Fuling District, spans the Songhua River with a total length of 1,600.64 meters and a main bridge length of 410 meters, utilizing a mid-support butterfly-shaped cable-stayed steel box arch structure [1]. - The newly implemented "butterfly-shaped cable-stayed arch rib lateral rotation" technique is a domestic first, differing from traditional horizontal or vertical rotation methods by using the ends of the arch foot as the pivot for lateral rotation [1][3]. Group 2: Technological Innovation - The lateral rotation construction technique significantly reduces environmental dependency and impact, shortening the construction period by approximately 20% [1]. - The project team utilized 3D animation simulation technology to meticulously plan the construction process, accurately calculating stress conditions and risk points at each stage, while employing BIM (Building Information Modeling) technology for optimization [3]. Group 3: Strategic Importance - The successful lateral rotation of the arch rib accelerates the construction timeline of the Hongqi Bridge, which will enhance connectivity between the southern new city area, Jiangnan area, and the central urban area, promoting the rapid development of the southern new city [3]. - The completion of the bridge is expected to play a significant role in strengthening infrastructure development in Jilin City and improving urban support capabilities [3].