Waka Kotahi engaged WSP to progress the design of a new two-lane (SH7) bridge to be located between the existing SH7 Ahaura bridge and the Railway Bridge.


  • West Coast, New Zealand


  • Waka Kotahi NZ Transport Agency

Project Value

  • $25m

Project Status

  • Start Date: 2018. Study Finish Date: October 2019. Estimated Project Completion Date: 2021.

Existing water flow

Proposed water flow

2d computational hydraulic model