The pont National (named pont Napoléon-III from its construction until 1870) is a road and rail bridge across the Seine in Paris, to the east of the 12th and 13th arrondissements. With a total length of 188.5m, it is made up of 5 masonry arches. Its rail part carries the Petite Ceinture, now disused, and its road part links boulevard Poniatowski to boulevard Masséna.