It had been originally built in the consulship of Tiberius Sempronius and Publius Cornelius, while Hannibal was threatening to invade Italy, to serve as a bulwark against the Gauls beyond the Po, and to resist any other power that might break in over the Alps.
Tiberio Senpronio eta Publio Kornelio kontsulak zirela sortu zen, Anibal Italiaren, Padoz handik bizi ziren galiarren eta Alpeetatik honako edozein erasoren aurkako babeskiaren gainera zetorren bitartean.