Core Points - The Yili River Third Bridge, the first three-tower four-span "O" shape cable-stayed bridge in China, officially opened on November 11, marking a significant breakthrough in bridge structure design and contributing to the Belt and Road Initiative and high-quality development in Xinjiang [1][2] - The bridge spans 2028 meters in length and 23.5 meters in width, designed for a dual four-lane highway standard with a speed limit of 60 km/h [1] - The main bridge features a unique design with a main span of 492 meters and a central tower height of 51 meters, constructed using C50 concrete and "O" shape steel structures [1] Project Details - The bridge connects the Horgos Economic Development Zone in Yining to the north and the northern side of the Chabuchar Yili River National Wetland Park to the south, significantly reducing travel time from 1.5 hours to several minutes [2] - It links key areas such as Horgos City, Yining City, Chabuchar County, and Zhaosu County, facilitating the transportation of specialty agricultural products and tourism development [2] - The project involved the manufacturing, installation, and coating of approximately 4532 tons of steel structures, with significant challenges in construction due to complex design and environmental factors [1]

Core Viewpoint - The completion of the last concrete pouring for the main bridge of the Yili River Third Bridge marks a significant step towards achieving the goal of opening to traffic within the year [1] Group 1: Project Overview - The Yili River Third Bridge is located at the junction of Yining, Kekedala, and Chabuchar, spanning a total length of 2.86 kilometers, designed as a dual four-lane highway with a speed limit of 60 km/h [2] - The main bridge features a unique design as the first "O" shaped low tower cable-stayed bridge in China, with a central tower height of 51 meters and side towers at 50 meters, constructed using C50 concrete and "O" shaped steel structures [2][4] Group 2: Construction Techniques - The project utilized advanced 3D visualization technology for precise assembly of heavy steel segments, ensuring alignment within millimeter accuracy through the use of 3D jacks and high-precision total stations [3] - The construction faced multiple challenges, including large diameter pile foundations in water-rich gravel soil, massive concrete pouring, and precise positioning of the cable system, which were addressed through careful planning and optimization of construction methods [3] Group 3: Economic and Regional Impact - The Yili River Third Bridge serves as a crucial transportation link between the Horgos Economic Development Zone and Chabuchar, reducing travel time by nearly one hour and facilitating the transportation of local agricultural products and tourism development [6] - The bridge is expected to enhance the rapid transportation network in the Yili River Valley and contribute to the integrated development of the Horgos and Yining regions, supporting the construction of the "Belt and Road" initiative [6]