The "pont de pierre" (literally "bridge made of stone") was built in 12 years. Napoleonian's empire collapse in 1814 caused a 5 years interruption in the construction,
The "pont de pierre" is a multiple stone arch bridge (See eduMedia animation on different types of bridges).
The bridge is built with local construction materials: Wood (Pines) comes from Landes' forests, stones from Saint-Macaire and Dropt's valley quarries. The bricks for the mansonry were burned in kilns situated at la Bastide using silt/clay form the river.
Click on the pins of the timeline to open the pictures.
Click on the picture to enlarge.