Professional maintenance of the Ma’anshan Changjiang Highway Bridge and the Wangdong Yangtze River Highway Bridge

 The maintenance and operation project of Maanshan Changjiang River Highway Bridge is totally 20.22KM. The left main bridge adopts a 2×1080-meter three-tower two-span suspension bridge, and the right main bridge adopts a 2×260-meter three-tower two-span cable-stayed bridge. The north approach bridge (Hexian shore) is supported and continuously assembled pre-stressed concrete small box girder; Jiangxinzhou approach bridge is pre-stressed concrete cast-in-place continuous box girder; south approach bridge (Maanshan shore) is pre-stressed concrete cast-in-place continuous box girder and simple supported and structural continuous assembly pre-stress concrete small box girder.

The maintenance and operation project of Wangdong Changjiang River Highway Bridge is totally 3.6KM, and the main bridge is a 638m five-span semi-floating system cable-stayed bridge. The approach bridge is a pre-stressed concrete cast-in-place continuous box girder and a simple supported structure with continuous pre-stressed small concrete box girder.