title: Kilnap Viaduct
text: # Kilnap Viaduct
  
  The Kilnap Viaduct (known colloquially as the Eight-Arch Bridge) is an eight-arch railway viaduct located in Cork, Ireland. Built in 1845, it carried the Great Southern & Western Railway line to Cork over the valley of Glennamought River and Mallow Road. The viaduct is listed as a protected structure by the Cork City Council.
  
  ## Technical details
  
  The eight-arch railway viaduct features rock-faced ashlar limestone piers with a cut stone impost supporting squared coursed limestone spandrels with dressed limestone string course. It has rock-faced limestone voussoirs leading to round-headed arches, ashlar limestone vaults to barrels and a squared coursed limestone parapet with cut stone coping. The viaduct was built by William Dargan.
  
  As built, it was 420 ft long and 90 ft high.
  
  