Western Sydney International (Nancy-Bird Walton) Airport in Australia has completed the construction of a new bridge as part of its initial earthworks.

The project is part of the first phase of the new airport’s construction.

It included the realignment of a 1.6km-long section of Badgerys Creek Road, the construction of a shared footpath for cyclists and pedestrians, and a new intersection at Elizabeth Drive.

Western Sydney Airport CEO Graham Millett said: “Technically we’ve built two bridges, one north bound and one south bound, both 39m long and with a combined width of 49m, around the same width as Sydney’s Harbour Bridge.

“Constructing the bridge was no mean feat; it’s built on 21 mammoth 45t girders manufactured with almost 900t of concrete. Around 20,000t of asphalt have been laid along the new road, along with 116 new street lights being installed.

“As with most road works, there have been traffic changes for motorists and we thank them for their ongoing patience while this work takes place.”

Of the entire 1,780ha airport site, initial earthworks constitute about 6% and include the movement of 1.8 million cubic metres of earth.

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The project’s major earthworks are expected to start early this year, resulting in the movement of over 23 million cubic metres of earth for the terminal and runway.

The A$5.3bn ($3.5bn) airport will open in 2026 and will be equipped to handle ten million passengers annually.

Last November, Western Sydney Airport selected Aurecon to provide terminal precinct engineering design services, while Cox Architecture and Zaha Hadid Architects (ZHA) were appointed to design the airport’s terminal building.