Alston Arches Viaduct, also known as Haltwhistle Viaduct,[2] is a stone bridge across the River South Tyne at Haltwhistle in Northumberland, England.

The bridge, which has four stone arches, was designed by Sir George Barclay Bruce as a railway bridge.

[3][1] It formed part of the Alston Line and was completed in March 1851.

[2] The railway closed in May 1976[2] and the bridge was re-opened by the Duke of Gloucester for pedestrian use in July 2006.

[4] It is a Grade II listed structure.