Across Time

This viaduct was built in 1908 during the ‘Age of Steel’, when steel plates, beams, girders and trusses held together with bolts and rivets were seen as the answer to almost all engineering problems. Curving elegantly amongst notoriously difficult terrain, it consists of steel lattice and mass concrete piers interspersed with Pratt truss and plate steel girders. It remained in use until 1987 when it was superseded by a creation of the ‘Age of Concrete’ as part of the electrification of the North Island Main Trunk (NIMT). At that time the decking was removed, and since then it has remained in the landscape as an inspiring site of groundbreaking New Zealand engineering history.

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