Table:
text: List of longest masonry arch bridge spans
List of longest masonry arch bridge spans
List of longest masonry arch bridge spans
Name_ Location_ Land Longest_span_in_s_metre_feet_ Arch_type Completed
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

text: List of longest masonry arch bridge spans
List of longest masonry arch bridge spans
List of longest masonry arch bridge spans
Name_ Location_ Land Longest_span_in_s_metre_feet_ Arch_type Completed
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

Question: How long is Britain's Ballochmyle Viaduct on the list of longest spans of masonry arch bridges?