Warrell Creek to Nambucca Heads

Pacific Highway Upgrade NSW

The Warrell Creek to Nambucca Heads Pacific Highway Upgrade is a $600M D+C project that includes a 19.5km new dual carriageway road; new interchanges; and new bridges including an 800mm bridge over the Nambucca River. RBG was engaged by the Acciona-Ferrovial Joint Venture (Pacifico) for civil and structural temporary works design, including the design of an 8ha pre-cast facility.

The facility included design of earthworks and high-load pavements in backwater swamp conditions; access roads for light and over-sized vehicles; precast shed with girder forms and girder storage; and drainage systems with water quality management measures. RBG prepared multiple earthworks modelling scenarios to gain efficiencies in the earthworks for a complicated site with poor ground conditions. RBG undertook flood analysis to determine appropriate flood protection levels for the facility, as the site was located in an area prone to flooding. RBG also provided building design services for the casting shed using a specialist sub-consultant.

Project Value:
$600 million D&C
Acciona Ferrovial Joint Venture
Robert Bird Group Services:
Civil Engineering
Structural Engineering
Temporary Works

Additional Information

Additional information is available for you to view regarding services and sectors RBG provide.


Robert Bird Group provide outstanding innovative and buildable structural design solutions in all sectors across the globe.


Robert Bird Group’s Civil Engineers provide engineering design services from concept and planning through detailed design on to construction and maintenance, with the potential for ongoing management and advice for the operating life of a project.


The infrastructure market is truly global – whilst each part of the globe has unique project demands, they all face similar challenges.


The capacity and performance of our road networks directly impact our economic growth, our welfare, and our quality of life. New road projects seek to improve safety, reduce congestion or reduce travel times.

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