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Project introduction

The NZ Transport Agency is replacing the Old Mangere Bridge. We will provide the community with a safe, high-quality walking and cycling connection between the Onehunga and Mangere Bridge communities and a safe place for fishing.

  • Estimated project cost

    $25 million+
  • Project type

    Bridge replacement
  • Project status

    Construction

Benefits

The new bridge will ensure the walking and cycling connection is maintained for the local communities between Onehunga and Mangere Bridge.

The replacement bridge will be at least eight metres wide – and up to 12 metres in some bays to enable fishing.

The new bridge will be high enough for small boats to pass underneath and have a wider span to allow some form of opening for larger boats in the future.

About the project

The existing bridge is over 100 years old and, as expected with a structure this old, the bridge’s condition has been deteriorating for some time.

The Transport Agency will replace the old structure with a high quality bridge that continues to serve the people using it.

Between 2012 and 2016 we worked on preparing to build a new bridge. This included talking to the community and getting a resource consent from Auckland Council.

The valuable community feedback has helped us shape the design and layout of the new bridge.

The replacement bridge will be at least eight metres wide – and up to 12 metres in some bays to enable fishing. The new structure will curve towards the motorway bridge, will be high enough for small boats to pass underneath and have a wider span to allow some form of opening for larger boats in the future. The new bridge will be constructed next to the old bridge using the same abutments – but further away from the port.

 

Project timeline

  • 2005-2011: Safety strengthening works to the Old Mangere Bridge
  • 2012-2014: Design and community consultation for the replacement Old Mangere Bridge
  • 2016: Consents lodged with Auckland Council for the replacement Old Mangere Bridge
  • Early-2016: Council hearing and appeals process for the replacement Old Mangere Bridge
  • Mid-2016: Consents granted from Auckland Council for the replacement Old Mangere Bridge
  • 2016-2018: Ongoing safety monitoring of the Old Mangere Bridge to ensure it is safe for people to use
    Installation of a fence on either side of the central walkway to prevent crowd loading and keep the Old Mangere Bridge open for as long as possible
    Improvements to the underpass, next to the Manukau Harbour Crossing motorway structure, to enhance the alternative route until the new bridge is built
  • 25 November 2018: Closure of the Old Mangere Bridge
  • 2019: Construction of the replacement bridge begins

 

Key features

Some of the key features of the bridge have been refined as a result of community feedback. The bridge design includes:

  • at least eight metres wide – and up to 12 metres in some bays to enable fishing activities
  • new structure curving towards the motorway bridge
  • high enough for small boats to pass underneath
  • wider span to allow some form of opening for larger boats in the future
  • constructed next to the old bridge using the same abutments – but further away from the port
  • reflecting the area’s history and values into the design – two artists are developing this through art.

 

Frequently asked questions

Read the list of frequently asked questions

 

How do I find out more?

Contact the project team, email omb@nzta.govt.nz

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