Qingdao sea-crossing bridge generally refers to Jiaozhou Bay Bridge, with a total length of 26.707 km, of which the sea-crossing bridge is 25.88 1 km, the Huangdao side connecting line is 0.827 km, and the Hongdao connecting line is 1.3km. Its design parameters are as follows:

1, the layout span of Cangkou Waterway Bridge is (80+90+ 260+ 90+80) meters, the separation tower spacing is 30.5 meters, the tower spacing is 20.6 meters, the tower height is 82.5 meters, and there are 64 stay cables in the whole bridge.

2. The span of Hongdao Waterway Bridge is (120+ 120) m, the separation tower spacing is 30.5m, the tower column spacing is 20.6m, the height is 65m, and there are 24 stay cables.

3. The arrangement span of Daguhe Waterway Bridge is (808+ 260+ 190+ 80) meters, the rise-span ratio of main span is112.53, and the side span is118. Tower height149m, main cable saddle inclination 1.925 degrees. The diameter of sling steel wire is 5.0mm, and the horizontal spacing is 12m.

The value and significance of JIAOZHOU bay bridge;

As an important transportation hub in the linkage strategy between Shandong Peninsula Blue Economic Zone and Qingdao, the construction of Jiaozhou Bay Bridge has been highly valued by governments at all levels and all walks of life. The opening of the bridge has further improved Qingdao's east-west cross-sea traffic network and expanded Qingdao's urban framework.

Refer to the above content: Baidu Encyclopedia-Jiaozhou Bay Bridge