The Seven Arches Bridge is a historic bridge in Newport, County Mayo, Ireland.
Built around 1892, the bridge is a seven span squared red sandstone structure with limestone detailing over the Black Oak River/Newport River. It carried the Achill branch of the Midland Great Western Railway line,[1] with the last train running on this line in the autumn of 1937.[2] It was recently restored as part of the Great Western Greenway, the longest off-road cycling & walking route in Ireland.[3]
The bridge is listed as number 112 on the Record of Protected Structures for County Mayo.[1]
The single track viaduct has an overall length of 305 feet (93 m) and width 18 ft 6 in (5.64 m).[4] The seven segmental arches have a 37-foot (11 m) span, with a rise of 12 ft 6 in (3.81 m). The arch rings are 24 inches thick (61 cm). The bridge piers are 6 ft (1.8 m) thick with pointed cutwaters.[5] The cost of the viaduct was over £7,000.[6]
The rail line over the viaduct was not opened until 1894 pending completion of a nearby tunnel.[4]
53°53′03″N 9°32′42″W / 53.8843°N 9.5449°W / 53.8843; -9.5449