Jintang Bridge

The Jintang Bridge(chinese:金塘大桥) is above the gray turtle ocean in the East China Sea.
It connects 3 places in Zhejiang Province, 1: Zhoushan City, 2: Zhenhai District, Ningbo City, 3: Jintang Island. It is one of the important components of the “Zhoushan Cross-sea Bridge” project.

The construction started on September 30, 2005; the closure of the main bridge was completed on June 25, 2008, and the entire bridge section was fully connected; it was opened to traffic on December 25, 2009.

The total length of Jintang Bridge is 16.5 mi / 26.54 km, Bridge section length is 13 mi / 21 km, And length over water is 11.4 mi / 18.4 km. The bridge deck is a two-way four-lane highway with a design speed of 100 kilometers per hour. The total investment is 7.7 billion yuan (about 1.2 billion US dollars).

Jintang Bridge
Jintang Bridge

Overall layout of the building

The Jintang Bridge is composed of the main navigation bridge, the east navigation bridge, the west navigation bridge, the branch navigation bridge, the tower, the approach bridge, and the interchange ramps. The whole bridge section is arranged from northwest to southeast.

Jintang bridge
Jintang Bridge

Main navigation bridge

The main navigation bridge is a twin-tower cable-stayed bridge.
Adopt (77 + 218 + 620 + 218 + 77) meter span arrangement, the box beam is 30.1 meters wide, the beam at the center line is 3.0 meters high, the total height of the tower is 204.0 meters, and the height above the bridge deck is about 152.362 meters; the platform is 6.5 meters thick , 56.78 meters long and 34.02 meters wide.

Jintang Bridge Main Navigation Bridge
Jintang Bridge Main Navigation Bridge

East Waterway Bridge

East Waterway Bridge is arranged with a span of (122 + 216 + 122) meters. The root beam is 13.3 meters high, the mid-beam is 4.4 meters high, and the main pier has a double thin middle distance of 8.8 meters.

West Waterway Bridge

The West Waterway Bridge adopts (87 + 156 + 87) span arrangement, the root beam is 9.25 meters high, and the middle beam is 3.4 meters high.

Waterway Bridge(part of Jintang Bridge)
Waterway Bridge(part of Jintang Bridge)

Construction process

On September 30, 2005, the Bridge started construction.

On December 6, 2006, the Bridge completed all the overall sinking works of the non-navigable bridge.
On February 9, 2007, the Bridge carried out non-navigable bridge beam engineering.
On June 25, 2008, the Bridge completed the main bridge helong project, and the whole bridge section was fully connected.
On December 25, 2009, the Bridge opened to traffic.

On September 28, 2010, the mechanical and electrical engineering passed the acceptance check.

overview of Jintang Bridge
overview of Jintang Bridge

Value Significance

As part of the Zhoushan Linked Island Project, the Jintang Bridge will become one of the boosters for the development of China’s marine economy. The connection of Zhoushan and Ningbo’s port coastline as a whole is of great significance to China’s foreign trade.

Jintang Bridge at night
Jintang Bridge at night

Jintang Bridge Data

Jintang Island, Zhoushan/Zhenhai, Ningbo
Official name
7.7 billion yuan (US $1.2 billion )
In use
China Railway Major Bridge Reconnaissance & Design Institute Co., Ltd. (BRDI)
Maintained by
Zhoushan Bridge Construction Management Bureau
Sep-30, 2005
Construction end
Jun-25, 2008
Dec-25, 2009
Total Duration
3 years
21 km (13 mi)
Cross-sea section length
18.4 km (11.4 mi)
35 m (115 ft)
Longest span
620 m (2,034 ft)
Design type
cable-stayed bridge
Bridge type
Cross sea bridge
Huibieyang sea area(On East China Sea)
Road scale
4 lanes
Design speed
100 km / h
¥100-395 Yuan(About $14-60) Cars ¥100

Jintang Bridge Location On Earth

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