Network Rail has released a video which shows the results of a project to create a 3D computer model of the Ribblehead Viaduct on the historic Settle to Carlisle Railway.

The Ribblehead viaduct was built between 1870 and 1875 and opened in May 1876. It is 104ft high and has 24 arches. The viaduct was scanned as part of the restoration project on the viaduct.

The project includes work on the brickwork and drainage of the 400-metre long viaduct.

The digital recreation is a LiDAR survey which uses laser scanners and drones.

Over 100 different scans of the viaduct were made and were used to create the 3D computer model.

The survey will be used in the current restoration and also be used to identify areas which may require work in the future.

Phil James, Network Rail‘s North West route director, said: “We’re always looking to innovate on the railway and seeing drones and lasers being used to care for such an historic structure is really impressive.

“I was at Ribblehead viaduct when we started work a week ago and saw for myself the huge scaffolding platforms now in place so my team can improve brickwork, mortar and drainage. Great care and attention is going in to make sure our work is right from a heritage perspective. This digital model plays a major role in that as we secure the Grade II listed-structure’s future for passengers and tourists as part of the Great North Rail Project.”

Richard Walters, chief executive officer for Commendium, said: “We have all known and loved this location for most of our lives, it is even part of our childrens’ cultural awareness with them learning songs about it at school. So to survey it has been a privilege. The resulting LiDAR scan not only shows areas which need repair, but also areas where water could damage the stonework in the future, so leading to other preservation works.”

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