Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Name | Location | Land | Longest span in s metre ( feet ) | Arch type | Completed |
| --- | --- | --- | --- | --- | --- |
| Pont de la Libération | Villeneuve-sur-Lot | France | 96 (315) | uc | 1919 |
| :de:Syratalviadukt | Plauen | Germany | 90 (295) | uc | 1905 |
| Longmen Bridge | Luoyang | China | 90 (295) | ws | 1961 |
| Solkan Bridge | Nova Gorica | Slovenia | 85 (278) | ws | 1906 |
| Adolphe Bridge | Luxembourg City | Luxembourg | 84 (275) | ws | 1904 |
| Pont de Montanges (Pont-des-Pierres) | Valserine river | France | 80 (262) | ws | 1910 |
| :fr:Viaduc de la Roizonne | La Mure | France | 79 (260) | ws | 1928 |
| Trezzo sull'Adda Bridge | Lombardy | Italy | 72 (236) | ws | 1377 |
| Steyrling Bridge | de:Pyhrn Railroad | Austria | 70 (230) | ws | 1904 |
| Union Arch Bridge | Maryland | USA | 67 (220) | ws | 1864 |
| :de:Sonnborner Eisenbahnbrücke | Wuppertal | Germany | 66 (216) | ws | 1914 |
| Gutach Bridge | Höllental Railroad | Germany | 64 (209) | ws | 1900 |
| König-Ludwig-Brücke and Obere Illerbrücken | Kempten (Allgäu) | Germany | 64 (209) | uc | 1851/1906 |
| Pont de la Balme | Savoie | France | 64 (209) | ws | 1946 |
| :de:Luitpoldbrücke (München) | Munich | Germany | 63 (206) | ws | 1901 |
| :de:Max-Joseph-Brücke | Munich | Germany | 63 (206) | ws | 1902 |
| Grosvenor Bridge | Chester | UK | 61 (200) | ws | 1832 |
| Lavaur Railroad Bridge | Agout River | France | 61 (200) | ws | 1884 |
| Wechselburg-Göhrer Bridge | Saxony | Germany | 60 (196) | ws | 1904 |
| Huanghugang Bridge | Hunan | China | 60 (196) | ws | 1959 |
| Longmen Bridge | Luoyang | China | 60 (196) | ws | 1961 |
| Orkla Bridge | Dovre Line , Rennebu | Norway | 60 | ws | 1921 |
| Skodje Bridge | Skodje | Norway | 59 | ws | 1922 |
| de:Wallstraßenbrücke | Ulm | Germany | 57 (187) | uc | 1905 |
| Ballochmyle Viaduct | Mauchline | UK | 55 (180) | ws | 1848 |
| Wiesen Viaduct | Landwasser River | Switzerland | 55 (180) | ws | 1909 |
| Pélussin Tramway Bridge | Loire | France | 55 (180) | ws | 1919 |
| Pont de Rabastens | Tarn | France | 55 (180) | ws | 1924 |
| Pont de Vieille-Brioude | Allier River | France | 54 (177) | ws | 1479 |
| Yixiantian Bridge | Chengdu–Kunming Railway | China | 54 (177) | ws | 1966 |
| Jora bridge | Rauma Line , Dombås | Norway | 54 | ws | 1918 |
| Gignac Bridge | Hérault | France | 50 (164) | ws | 1810 |
| fr:Viaduc de Nogent-sur-Marne | Val-de-Marne | France | 50 (164) | ws | 1856 |
| Munderkingen Bridge | Baden-Württemberg | Germany | 50 (164) | uc | 1893 |
| :fr:Viaduc des Eaux-salées | Provence-Alpes-Côte d'Azur | France | 50 (164) | ws | 1914 |
| Baisha Bridge | Zhejiang | China | 50 (164) | ws | 1960 |
Question:
How long is the UK's Ballochmyle Viaduct?
Answer:
55 (180)