神（木）瓦（塘）铁路首座跨高速公路连续梁合龙

Group 1 - The completion of the last concrete pouring for the Qijiazhuang Bridge marks a significant milestone in the construction of the Shenmu to Watang Railway, which is a key project connecting Shaanxi and Shanxi provinces [1] - The Shenmu to Watang Railway has a total length of 75.17 kilometers and a designed speed of 120 kilometers per hour, with an annual transport capacity of 50 million tons [1] - The Qijiazhuang Bridge, which spans 254.39 meters, is a critical engineering component that crosses the busy Cangzhou to Yulin Expressway, presenting substantial construction challenges due to its steep terrain and poor geological conditions [1] Group 2 - The Shenmu to Watang Railway is primarily designed to facilitate the transportation of coal from the core mining areas in northern Shaanxi, enhancing the "West Coal East Transport" railway network and improving energy supply capabilities [2] - Upon completion, the railway will connect with the Watang to Rizhao Railway, providing direct access to the Rizhao Port in Shandong, thus supporting regional economic development [2]