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Story: Earthquakes

Strengthening the Thorndon overbridge

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Strengthening the Thorndon overbridge

The Wellington Fault passes through the 1.3-kilometre-long Thorndon overbridge, making it one of the most vulnerable parts of the roading system around Wellington. A detailed seismic evaluation was undertaken, and the bridge was strengthened to minimise damage from a future earthquake.

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How to cite this page

Eileen McSaveney, Earthquakes – Building for earthquake resistance, Te Ara – the Encyclopedia of New Zealand, https://teara.govt.nz/en/photograph/4431/strengthening-the-thorndon-overbridge (accessed 25 June 2026).

Story by Eileen McSaveney, published 2 March 2009, updated 1 August 2017.