ɐ lˈɔŋ mˈɛɾəl vˈaɪədˌʌkt, bˈɪlt baɪ ɡˈʌsteɪv ˈaɪfəl ɪn wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd sˈɪksti, ɐlˈaʊd tɹˈeɪnz tə kɹˈɔs ðə ɹˈɪvɚ ænd pɹəɡɹˈɛsɪvli bˈoːɹdoʊsˈeɪntdʒˈiːn bɪkˌeɪm ðə bˈoːɹdoʊ mˈeɪn stˈeɪʃən, nˈiːdɪŋ lˈɑːɹdʒɚɹ ˈɪnfɹəstɹˌʌktʃɚz.
A long metal viaduct, built by Gustave Eiffel in 1860, allowed trains to cross the river and progressively Bordeaux-Saint-Jean became the Bordeaux main station, needing larger infrastructures.