What is Garabit Viaduct?
{{Infobox bridge | bridge_name = Garabit Viaduct | native_name = Viaduc de Garabit | native_name_lang = fr | image = Garabit.jpg | image_size = | alt = | caption = | official_name = | other_name = | carries = [[Railway]] | crosses = [[Truyère]] [[river]] | locale = | owner = | maint = | id = | architect = [[Gustave Eiffel]] | designer = | engineering = | design = | material = [[Wrought iron]] | length = {{convert|565|m|ft}} | width = {{convert|6|m|ft}} | height = {{convert|124|m|ft}} | mainspan = {{convert|165|m|ft}} | spans = | pierswater = | load = | clearance = | below = | life = | builder = | fabricator = | begin = 1882 | complete = 1884 | cost = 3,100,000 [[French franc|francs]] | open = 1885 | inaugurated = | toll = | traffic = | heritage = | closed = | map_cue = | map_image = | map_alt = | map_text = | map_width = | coordinates = {{coord|44|58|31|N|3|10|39|E|region:FR_type:landmark}} | lat = | long = | references = | extra = }} [[File:The Garabit Viaduct, 2007, Cantal, Auvergne, France-1.jpg|250px]] The '''Garabit Viaduct''' ({{lang-fr|Viaduc de Garabit}}) is a [[railway]] [[arch bridge]] [[span]]ning the [[Truyère]] [[river]], near [[Ruynes-en-Margeride]], [[Cantal]], [[France]], in the [[mountain]]ous [[Massif Central]] [[region]]. [[File:Garabit viaduct by night (1 of 3).jpg|250px]] The [[bridge]] was built between 1882 and 1884 by [[Gustave Eiffel]], with [[structural engineering]] by [[Maurice Koechlin]],{{sfnp|Loyrette|1985|p=77}} and was opened in 1885. It is {{convert|565|m|ft|abbr=on}} in length and has a principal