Hong Kong Engineering

Tsing Ma Bridge, Hong Kong

General Information

Official Name: Tsing Ma Bridge
Owner:  Highways Department, the Government of Hong Kong SAR
Structure Forms: Double-decked suspension bridge
Overall Bridge Length: 2,160m
Width: 41m
Main Span Length: 1377m
Span Length: 63 m - 76.5 m - 355.5 m - 1,377 m - 355.5 m - 4 x 72 m
Clearance below: 53m
Function/usage: Motorway bridge/freeway bridge
  Railroad (railway) bridge
Carries: 6 lanes of roadway (upper)
  2 MTR rail tracks, 
  2 lanes of roadway (lower)
Crosses:  Ma Wan Channel
Locale: Ma Wan Island and Tsing Yi Island
Part of: Lantau Link
  Airport Express (MTR)
  Tung Chung Line
Beginnng of Construction: Jun 1992
Opened: 22 May 1997


Design and Construction

Architect: Yee Associates
Design & Consulting Engineers: Mott MacDonald
Structural Engineer: Tony Gee and Partners LLP (temporary works)
Checking Engineer: Flint & Neill Partnership
Contractors: Anglo-Japanese Construction JV:
  Mitsui Construction
  Trafalgar House Co. (Asia) Ltd.
  A. R. Rees (resident engineer)
Subcontractors: Dorman Long Technology
  Cleveland Bridge & Engineering Co. Ltd. (superstructure)
  Saddles (3000t), span cables (28,000t), suspension system, suspended deck and approach spans;
  responsible for all the construction engineering:
  Gammon Construction
  Kvaerner AS
Construction Manager: Sir William Halcrow & Partners


Construction Information

Cable Materials: Steel
Tower Materials: Reinforced concrete
Weight of Concrete (Tsing Yi anchorages): 200,000 tonnes
Weight of Concrete (Ma Wan end): 250,000 tonnes
Cable Steel Supplier: Bridon International
No. of Cables: 2
No. of 5.38mm Wires (main span): 33400
No. of 5.38mm Wires (side span): 35224
Total Length of Wire: 160,000 km
Total Weight of Wire: 26,700 tonnes
Load in Each Cable: 53,000 tonnes
Weight of Structural Steel: 49,000 tonnes
Equivalent Weight of Steel: 22.7 tonnes/metre
Height of Towers: 206m
Weight of Concrete Per Tower: 52,000 tonnes
Tower Saddle Weight: 500 tonnes each


Technical Data

Maximum Movements  
Vertical (at mid-span): 4.7 m
  1.3 m (due to temperature changes)
Lateral (at mid-span): 4.4 m (due to wind)
Longitudinal: ±0.835 m (at Tsing Yi abutment)
Design Parameters: 20 kN/m
  wind gust speed of 85 m/s
Design Traffic Speeds  
Road: 100 km/hr
Railway: 135 km/hr


Internet Resources

Highways Department: English: https://www.hyd.gov.hk/en/publications_and_publicity/publications/hyd_factsheets/doc/e_Tsing_Ma_Bridge.pdf
Proceedings of Bridge Engineering 2 Conference 2007 27 April 2007, University of Bath, Bath, UK http://www.bath.ac.uk/ace/uploads/StudentProjects/Bridgeconference2007/conference/mainpage/Ng_Tsing_Ma.pdf
Structurae: https://structurae.net/structures/tsing-ma-bridge
Wikipedia: https://en.wikipedia.org/wiki/Tsing_Ma_Bridge
Video: 翡翠台 - 鏗鏘集之橋橫水急 https://www.youtube.com/watch?v=i_19XlwnO9I&list=PL16OcUphgzF4kPL4LX2Rkzt39HgZt0bxq

About Us

CNERCEstablishment of the Chinese National Engineering Research Centre for Steel Construction (Hong Kong Branch) at The Hong Kong Polytechnic University (PolyU) was approved by the State Ministry of Science and Technology (MOST), People’s Republic of China on 12th October 2015.

Contact Information

Chinese National Engineering Research Center for Steel Construction (Hong Kong Branch)
The Hong Kong Polytechnic University, Phase 8,
Hung Hom, Kowloon, Hong Kong.

Phone: (852) 3400-8451

Email: cnerc.steel@polyu.edu.hk