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Project Introduction

Georgiou secured the coveted $51.8 million Mandurah Traffic Bridge project in November 2015.

Awarded by Main Roads WA, early works for the project began in December 2015, with works complete by early 2018.

The bridge aims to improve vehicular capacity with two traffic lanes in each direction and safety for pedestrians and cyclists with separate, wider facilities over the bridge.

Client

Main Roads Western Australia

Location

Mandurah Western Australia

Contract

Alliance, Design and Construct

Duration

Early 2016 - Early 2018

Value

$51.8M

  • Civil
  • Transport

Scope of work

Scope of works for the project included:

  • Decommissioning of the existing bridge.
  • Design and construction of a new bridge over the Mandurah Estuary.
  • Associated roadworks including public amenities and infrastructure.
Old Mandurah Traffic Brigde

Key Features

  • Geometry of a single curve throughout the bridge length in both plan and profile providing an aesthetic sweeping curve.
  • Incremental launching of the 243.5 metre long bridge (abutment to abutment).
  • Elegant structural solutions engaged to reduce impact on the estuary through careful minimisation of piles to the bridge and boardwalks.
  • Five bridge piers in total, four of which are located within the Estuary. The four river piers comprise of reinforced concrete columns, on reinforced concrete pile caps supported by reinforced concrete piles. Lowered principal shared path are connected to the bridge structure, with an open balustrade overlooking the estuary.
  • Significant retention of the existing traffic bridge with integrated interpretation and artworks.
  • A combination of board walks and fishing platforms at the eastern and western most water based pile caps to the bridge. A fishing platform was also created on eastern remnants of the old bridge.
Old Mandurah Traffic Brigde

Awards

Awards

  • 2022 Winner of Austroads Bridge Awards – Category: Best Structure over 35 metres
  • 2019 High Commendation at Australian Institute of Building Professional Excellence in Building Award (National) – Infrastructure
  • 2019 High Commendation at Australian Institute of Building Professional Excellence in Building Award (National) – Best Project
  • 2019 Winner of Concrete Institute of Australia Awards (National) – Infrastructure
  • 2019 Winner of Master Builders Australia Excellence in Construction Award (WA) – Best Project
  • 2019 Winner of Master Builders Australia Excellence in Construction Award (WA) – Best Civil Engineering Works $20 -$50 million
  • 2019 Winner of Concrete Institute of Australia Awards (WA) – Infrastructure
  • 2019 Winner of Australian Institute of Building Professional Excellence in Building Award (WA) – Infrastructure
  • 2018 Winner of World Demolition Awards (INTL)- Civils Demolition
  • 2018 Winner of Civil Contractor Federation Earth Awards (WA) – $30 – $75 million
  • 2018 Winner of Australian Engineering Excellence Awards (WA) – Infrastructure
Perth, WA / Australia - 08/21/2019 Mandurah Estuary Bridge (Mandurah Bypass).