The Garabit Viaduct
By the end of the 1870s Eiffel & Cie, the company formed by Gustave Eiffel in partnership with Theophile Seyrig, had an established position among the leading French engineering companies. Between 1875 and 1877 the company had built the Maria Pia Bridge over the Douro at Porto, and when it was proposed to construct a railway between Marvejols and Neussargues in the Cantal department the work of constructing a viaduct to cross the River Truyère was given to Eiffel without the usual process of competitive tendering at the recommendation of the engineers of the state Highways Department since the technical problems involved were similar to those of the Maria Pia Bridge;
