NZTA Re-Consider Wooden Bridges for Roads

9 May 2023

NZ embraces glulam with first timber bridge design in 50 years – On the Hauraki plains there is a symbol of hope for the possible return of glulam bridges to New Zealand’s roading network. That one, the Onetai Bridge between Paeroa and Kopu could spark a renaissance  in road-based timber bridges.

However, its replacement denotes a major progression in bridge design for the Waka Kotahi NZ Transport Agency. Rob Campbell, Waka Kotahi Regional Manager of Maintenance and Operations, clarifies that the timber aspects in the new design distinguish this project from conventional bridge replacements.

“Road bridges in New Zealand generally utilise concrete or steel. This will be the first to herald a return to a more sustainable design, incorporating timber beams and a deck,” he said.

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