The pont canal at Digoin is built from 1834 till 1838;
12 meters above the Loire!. It is 243 meter long
and has 11 arches of 19 meters.
The pont canal at Briare is built from 1890 till 1894
and is longer than that of Digoin, 662 meters (9 meters above
More information can be found at: http://fr.wikipedia.org/wiki/Pont-canal_de_Briare