Garabit viaduct

The Garabit Viaduct (Viaduc de Garabit in French) is a railway arch bridge spanning the River Truyère  near Ruynes-en-Margeride (), Cantal, France, in the mountainous Massif Central region. The bridge was constructed between 1882 and 1884 by Gustave Eiffel, with structural engineering by Maurice Koechlin, and was opened in 1885. It is in length and has a principal arch of span.