Haikou Century Bridge (simplified Chinese: 海口世纪大桥; traditional Chinese: 海口世紀大橋; pinyin: Hǎikǒu Shìjì Dàqiáo) is a cable-stayed bridge in Haikou city, the capital of Hainan province.

The bridge was built to link the main part of Haikou city to Haidian Island, a district separated from Hainan Island by the Haidian River.

The project was started in 1998 and was opened to traffic on August 1, 2003.

[3] Haikou Century Bridge is the largest bridge on Hainan Island spanning 2,683 meters in length and 29.8 meters in width.

The bridge was built by China Wanbao Engineering Corp.