Muir Bridge Road

Muir Road Cable Bridge

Powering Sydney’s Future Project


Chullora, Sydney




2019 – 2021

As part of the Powering Sydney’s Future projects, Certus Projects was engaged by Garde and Taihan to construct the Muir Road cable bridge. The Muir Road bridge is a part of the 20km route of 330k underground cables between Potts Hill and Alexandria.

The Powering Sydney’s future project by Transgrid is essential to the supply of reliable and affordable electricity to Sydney’s economy.

Construction of the Muir Road bridge allowed transmission cables to cross rail corridors. The Project commenced in February 2020 and was completed in October 2020, two weeks ahead of schedule.

Key Features of the Project Include:

  • Specific and complex electrical and structural requirements for construction.
  • The bridge is constructed from prestressed concrete (PSC) girders with voids to allow for cabling to be incorporated into the design.
  • Sydney Trains CCB (Configuration Control Board) Process
  • Construction had several challenges based on limited space and the is positioned on a steep embankment.
  • Major crane lift planning
  • The Muir Road Cable Bridge is a 29.5m long single span bridge with a total width of 3.1m and 2.7m between kerbs.

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