[3] It crosses the mouth of Dongzhai Harbor and was built to provide quicker access between Haikou and Wenchang, a large, administrative division of Hainan province.

[4] The eastern end of the bridge terminates at the town of Puqian.

Haiwen Bridge effectively connects the east side of the Dongzhai Harbor to Haikou.

The main span consists two, 230-metre sections, one on each side of the pylon.

[5] Because Haiwen Bridge crosses over a geological fault line, it is built to withstand earthquakes.