Dinghai Bridge (in Chinese 定海大桥, and formerly 定马大桥) is an
arch bridge
An arch bridge is a bridge with abutments at each end shaped as a curved arch. Arch bridges work by transferring the weight of the bridge and its loads partially into a horizontal thrust restrained by the abutments at either side. A viaduct (a ...
over the
Nandu River
The Nandu River () is the longest river in Hainan Province, China. Its tributary is the Xinwu River. The river discharges into the Nandu River estuary at Haikou city, and then into Qiongzhou Strait.
The river is 314 km long, with a dischar ...
. The bridge connects
Ding'an County
Dìng'ān (; postal: Tingan) is an administrative district in Hainan, People's Republic of China. It is one of 4 counties of Hainan. In 1999 its population was 304,522 people.
The town of Dingcheng is the main population center.
Climate
See ...
on the south side of the Nandu, and Dongshan town in
Xiuying District
Xiuying () is one district in Haikou City
Haikou (; ), also spelled as Hoikow is the capital and most populous city of the Chinese province of Hainan. Haikou city is situated on the northern coast of Hainan, by the mouth of the Nandu River ...
on the north. The bridge is located around 1 km west of
Dingcheng and is the main access to that town from the north side of the Nandu. Dingcheng is located on the south side of the Nandu and is the main city in the county.

Prior to 2017, there were two, makeshift wooden bridges connecting the north bank of the Nandu with the north of "Laocheng", the old part of Dingcheng. The new Dinghai Bridge replaces them and they are now closed. At the north end of the bridge, a road will eventually be built that will lead all the way north to Haikou.
The bridge is 1,106 metres long and was expected to cost around 460,000,000
RMB
The renminbi (; symbol: ¥; ISO code: CNY; abbreviation: RMB) is the official currency of the People's Republic of China and one of the world's most traded currencies, ranking as the fifth most traded currency in the world as of April 2022 ...
.
The bridge was opened in November 2016 and its connecting line to G224 was opened in April 2019.
好消息!定海大桥连接线项目建成通车!
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Gallery
File:Dinghai Bridge - under construction in 2015 08 - 03.JPG
File:Dinghai Bridge - under construction in 2015 08 - 04.JPG
File:Dinghai Bridge - under construction in 2015 08 - 05.JPG
File:Dinghai Bridge - under construction in 2015 09 10 - 01.jpg
File:Dinghai Bridge - deck after completion.jpg
File: Dinghai Bridge 2018 05.jpg
References
External links
{{coord, 19.698987, N, 110.306476, E, type:landmark, display=title
Road bridges in China
Bridges in Hainan
Transport in Hainan
Bridges completed in 2016