Here is the 2000 years old bridge near Nimes in the southern France. It's a great bridge, tall and long. Still standing. It was first made to be an aqueduct but was used a lot as a bridge.
http://www.chass.utoronto.ca/~wulfric/varia/photos-fr/
http://www.artlex.com/ArtLex/Ao.html
http://www.chass.utoronto.ca/~wulfric/varia/photos-fr/
http://www.artlex.com/ArtLex/Ao.html