This canal bridge over the Loire was built in four years, from 1890 to 1894, by 2,000 workers to cross the wild river and facilitate commercial navigation to Paris.
Because of its length and weight (13,000 tonnes), the Briare Canal Bridge was built in metal. More specifically, mild steel with a low carbon content, which is more flexible.
Gustave Eiffel's workshops, which at the time were building the tower of the same name, were partly involved in the construction of this structure. They contributed to the foundations and the 14
stone piers that support the metal part, spaced 40 metres apart.
The Briare Canal Bridge is 662.69 metres long, making it the longest metal bridge in Europe.
Its width of 11.60 metres does not allow the passage of boats, which had to wait to pass in one direction and then cross in the other. At the end of the 19th century, around thirty boats crossed