It is a structure that connects the communes of Cize and Bolozon in the Ain département.

[1][2] In 1875, an original span built in the same location but was destroyed later in World War II.

[3][4] The viaduct was reconstructed as an urgent post-war project due to its position on a main line to Paris.

The railway was closed for reinforcement and restoration in 2005, and reopened in December 2010 as part of the Ligne du Haut-Bugey.

[6][7][8] The lower level is a local road from Poncin to Thoirette.