The Drygrange, or more commonly titled Leaderfoot Viaduct was built between 1862 and 1865 for the Berwickshire Railway.

The magnificent structure, engineered by Jopp, Wylie and Peddie, carried a a single tracked railway across the River Tweed.

Built from rustic-faced red sandstone and brick is over 900 ft long and supports the single track bed on eighteen tall slender stone piers, forming nineteen semicircular arches. Each arch spans 43 ft and at the highest point the viaduct is 126 ft above the river.

The structure which has no public access is Category "A" listed by Historic Enviroment Scotland, classing it as of Special Architectural or Historic Interest.

Drygrange Old Bridge

The "Old Bridge" sitting between the railway viaduct and the modern road bridge was built between 1779-80. In the past it was known as the "Fly Boat" bridge, acknowledging an earlier ferry crossing.

The elegantly proportioned structure built from red and buff sandstone and whinstone was designed and built by the renowned Scottish architect and engineer Alexander Stevens Snr. It has a central arch measuring 105 ft wide and was the cutting edge of bridge built at that time.