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Tinwald Viaduct Hit Again – despite Recent Upgrades
The Tinwald Viaduct, near Ashburton, has been identified by KiwiRail as the most frequently struck rail bridge in New Zealand.
The bridge briefly reopened on December 18, 2023, after being closed for repairs following an incident in July 2023. Though, it has been hit multiple times as then.
In July 2023,the viaduct was struck by an excavator being towed on a trailer,forcing its closure on July 29,2023,to allow for the replacement of a cracked wooden overhead impact beam.
The structure was subsequently reinforced with new concrete to support an upgraded steel impact beam. Despite this upgrade, strikes have continued to occur.
A KiwiRail spokesperson stated that as the bridge repairs were completed, “we have received one formal report of a bridge strike but we are aware anecdotally of other incidents”.
“We continue to liaise with Ashburton District council, the road controlling authority for this section of road, about the bridge.
“As well as being a safety issue, bridge strikes cause cost and inconvenience to KiwiRail and to other road users.
“We urge drivers to observe all signs when approaching a bridge, and to be aware of the height of their vehicle and any load they are carrying.”
The Tinwald viaduct was repaired and upgraded with a steel overhead impact beam, which has been hit several times since it reopened in December 2023.
Photo: Supplied
Ashburton District Council infrastructure group manager Neil McCann said the council is open to discussions with KiwiRail and has notified Google to suggest modifications to their route recommendations.
“We’re going to replace the give way on the melcombe Street side of the viaduct with a stop sign, we are going to install additional signage aimed at campervans and caravans on the Melcombe Street side of the viaduct, and we’re going to paint warnings on the road on the Melcombe Street side of the viaduct.
“The road markings will be done early next week and the new stop sign installed simultaneously occurring.
“We’ll have to order in a custom-made sign for the campervans, so that will be installed at