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West Coast state highway single-lane bridges safety improvements

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Project introduction

To improve safety on single lane bridges, guardrails were installed (or upgraded) on five single-lane bridges on the West Coast.

  • Estimated project dates

    Jan 2020–Dec 2021
  • Estimated project cost

    $5 million
  • Project type

    Bridge improvements
  • Project status

    Completed

About the project

Te Tai o Poutini West Coast has the greatest number of single lane bridges in New Zealand, with around 50 on the state highway network.

The Installation or upgrade of guardrails on priority give way single-lane bridges has reduced the risk of run-off road crashes.

Upgrades were completed on SH73 Taipo River (timber railing), SH6 Mikonui River (timber railing), SH6 Wanganui River (timber rail and approach guardrail), SH6 Moeraki River and Whakapohai River (both pipe rail).

Project locations

Map of locations where upgrades have been completed on single lane bridges.

Waka Kotahi, NZ Upgrade and Provincial Growth Fund logos