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.^[1] The viaduct is listed as a protected structure by Cork City Council.^[2]

Kilnap Viaduct
Kilnap Viaduct c. 1910
Coordinates	51.9268°N 8.4875°W / 51.9268; -8.4875
Carries	Dublin–Cork railway line
Crosses	Glennamought River
Locale	Cork, Ireland
Maintained by	Transport Infrastructure Ireland
Characteristics
Material	Limestone
No. of spans	8
History
Construction end	1845
Opened	28 September 1848
Location

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.^[1] The viaduct was built by William Dargan.^[3]

As built, it was 420 ft long and 90 ft high.^[4]

See also

• Cork railway tunnel

References

1. "Kilnap Viaduct". Europeana. Retrieved 24 June 2015.
2. Volume 3, Part 2, specific built heritage objectives (PDF) (Report). Cork City Council. 2009. Retrieved 23 June 2015.
3. Mac Aongusa, Brian (2010). "Journal 171-William Dargan-Great Railway Builder and Patriot". irrs.ie. Irish Railway Records Society. Retrieved 23 June 2015. Further south is the Kilnap viaduct shown under construction by Dargan in 1849. It is still in use today, as is the 8-arched viaduct at Monard near Rathpeacon outside Cork.
4. Chambers, William; Chambers, Robert (1851). "Irish Travelling". Chambers's Journal. 14: 160. Retrieved 23 June 2015.