Project introduction

For Coromandel residents, a functional state highway network in and around the district is vital for daily life and prosperity. That’s why it’s important we prioritise the maintenance of the state highway network in the right places at the right times.

  • Project type

    Bridge maintenance, Bridge replacement

Project updates

Coromandel Update - 22 February 2024
Newsletter,
Coromandel Update - 7 February 2024
Newsletter,
Coromandel Update - 19 January 2024
Newsletter,
Coromandel Update 20 December 2023
Newsletter,
Coromandel Update - 11 December 2023
Newsletter,
Coromandel Update - 4 December 2023
Newsletter,

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Background

Coromandel state highways and bridges are safe, regularly inspected and maintained.

Waka Kotahi has an active state highway bridge maintenance, strengthening and replacement programme. Safety is our number one priority, and we carry out regular inspections to ensure that all state highway bridges in New Zealand are safe.

Our busy 2023/24 maintenance programme is now underway.

If you’d like to see the scale of the work planned around the Coromandel network, take a look at this map where it identifies each site.

Waka Kotahi 2023/2024 road works season(external link)

State Highway 25A between Kōpū and Hikuai suffered significant damage with the road collapsing after the North Island’s major storms early 2023. A bridge is in construction to reconnect the state highway. There is no short-term fix for this section of road, but we’re committed to reconnecting Coromandel communities and working through options for a long-term solution.

What we are working on

  • Pepe Stream Bridge

    The replacement of Pepe Stream Bridge is a priority for Waka Kotahi.

    The Pepe Stream Bridge business case to explore replacement options has been completed and approved. We now move into the next phase of project development, which is called 'pre-implementation'. Funding for this phase has been approved and includes detailed design, consenting and property investigation.

    Waka Kotahi will continue to keep the community informed as we work through this process. For more information on the process and where it’s at, you can find latest information, newsletters and the proposed designs on the Pepe Stream Bridge replacement project page.

    Pepe Stream bridge replacement project

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  • Kirikiri Stream Bridge

    The Kirikiri Stream bridge, built in 1941, will be replaced to help alleviate flooding in the area. The current bridge is low and narrow with a central pier that collects flood debris, causing water to back up during storms. Replacing the bridge will help reduce the flood risk, protecting the area from the impact of severe storms.

    The replacement design is for a steel tied arch bridge, to be built slightly upstream of the current one. It will be 3m higher and will not accumulate debris underneath.

    As part of the project, the nearby intersection of SH26 and SH25A will be upgraded with a roundabout, significantly improving safety on this popular holiday route.

    We went out for tender on this project in mid-2023, however the process was unsuccessful due to the prices received being significantly higher than the available funding. 

    As a result of this, and a shift in focus to recovery and resilience due to this year’s weather events, this project will be re-tendered in 2024–2025.

    Kirikiri Stream bridge replacement project

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  • Boundary Creek Bridge – one way restriction

    Boundary Creek Bridge – one way restriction

    The bridge over Boundary Creek on State Highway 25 between Thames and Coromandel has been reduced to one lane to extend its useful life.

    The bridge deck and beams, known together as the superstructure, are ageing due to sea salt spray and need to be replaced. For the bridge to remain open traffic will be directed across one lane in the centre of the bridge.

    There is no date currently scheduled for the superstructure replacement of the Boundary Creek bridge.

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What's been done in recent years

  • List of past projects

    Hikuai River Bridge

    • Deck replacement completed 2022.

    Waiwawa River Bridge

    • Strengthening work completed 2022.

    Waiomu Stream Bridge

    • Foundation protection construction completed 2021.

    Maukoro Bridge

    • Footpath repairs completed 2021.

    Kereta Hill retaining wall

    • Repairs completed 2021.

    Ohinemuri River (Mataura) Bridge

    • Repairs completed 2021.

    Cloudburst Culvert

    • Retaining wall repairs completed 2021.

    Grahams Stream Footbridge

    • Cycling and walking footbridge opened November 2021.
    • Speed restricted for heavy vehicles on Grahams Stream Bridge to 10km/h in November 2022.

    Grahams Stream Footbridge

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Safe speed limits

Proposed new speed limits on  SH25 and SH25A were consulted on as part of the Interim State Highway Speed Management Plan for 2023/2024. We are currently finalising this plan and the outcome of this consultation is expected to be announced in the coming months.

Interim State Highway Speed Management Plan

The next plan we develop will be for the 2024-2027 period.

  • SH25 Temporary speed limits

    Due to traffic volumes and patterns changing on SH25 since the emergency closure of SH25A, Waka Kotahi conducted a speed review in response to resident and stakeholder safety concerns.

    Temporary speed limits have been put in place, primarily through the small communities and along the narrow and winding coastal sections between Thames and Coromandel and at several locations on the east coast. The temporary speed limits can be found on this map. 

     

    SH25 Thames-Coromandel: Temporary speed reductions map – September 2023 [PDF, 661 KB]

    The temporary speed limits will be removed once the bridge reconnecting SH25A is open.

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