Tsing Ma Bridge Size report

Tsing Ma Bridge is located in Hong Kong, China, connecting Tsing Yi Island in Kwai Tsing District and Ma Wan Island in Tsuen Wan District. It is one of the parts of the Lantau Link Road in Hong Kong. This bridge is the world's longest dual-purpose suspension bridge for traveling railways and one of the longest suspension bridges in the world.

The Tsing Ma Bridge is named after the two islands of Tsing Yi and Ma Wan. The construction of the Tsing Ma Bridge started on May 25, 1992; it was opened to traffic on May 22, 1997. The total investment in the project is 7.2 billion Hong Kong dollars.

The bridge quickly became one of the landmarks of Hong Kong. Many people don't know that the bridge is even more than 100 meters longer than the Golden Gate Bridge in San Francisco. This post introduces more facts about the incredible design and size of the Tsing Ma Bridge.

Description of the Tsing Ma Bridge Size

The Tsing Ma Bridge consists of the main bridge above the water, the north-south approach bridges, two bridge towers, and their respective interchange ramps; the main section is arranged in the northeast to southwest direction. The main cable has a diameter of 1.1 meters and is composed of 33,400 steel wires with a diameter of 5.38 mm, a total length of 160,000 kilometers, and a total weight of 26,700 tons. Each main cable has a load of 5.3 tons. The total steel weight of the bridge body is 49,000 tons, and the importance of the bridge body per meter is 22.7 tons.

This bridge is a double-deck steel suspension bridge for both roadways and railways. The upper layer is a highway with six lanes, and the lower layer is a double-track railway and two traffic lanes, which can also be used as maintenance channels. The two lanes below can be used for traffic diversion during strong winds or emergencies. As the Tsing Ma Bridge is located above the sea, the upper deck will be temporarily closed during severe weather, such as storms.

Dimensions of the Tsing Ma Bridge

The Tsing Ma Bridge spans the Ma Wan Strait, with a total length of 2,160 meters and the main span of 1,377 meters. The bridge's width is 42 meters, and the height of the bridge tower is 206 meters. The upper layer is a two-way six-lane urban expressway with a design speed of 100 km/h, and the lower layer is a double-track railway with a design speed of 135 km/h. The general clearance is 62 meters below the bridge, which is the official shipping height restriction.

Quick FactsSize
Length2,160 m
Longest Span1,377 m (4,518 ft)
Width41 m (135 ft)
Height206 m
Clearance Below
53 m (174 ft)
Number of Lanes
6 (upper); 2 (lower)

Final Words

The Tsing Ma Bridge is one of the supporting projects of Hong Kong International Airport. Together with the Kap Shui Mun Bridge, they are like two rainbows and have become the most popular tourist attraction in Hong Kong. The Lantau Route Visitor Centre and Observation Deck are located at the north point of Tsing Yi Island, where people can enjoy the perfect panoramic view of the Tsing Ma Bridge. The Tsing Ma Bridge in the daytime is already unforgettable, and the bridge in the sunset is even more memorable. Whenever night falls, the Tsing Ma Bridge is illuminated. Don't miss such a spectacular night view. Many Hong Kongers don't even know that the lights on Tsing Ma Bridge will be different on special holidays than usual.


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