Bridge steel structure, 1965
Quebec Transport Ministry Archives
A steel structure was fitted to the bridge pillars. Prefabricated prestressed steel girders were then set onto the pillars.
The Louis-Hippolyte Lafontaine Bridge–Tunnel The Louis-Hippolyte Lafontaine Bridge–Tunnel: A Feat of Engineering Between Two Shores Atelier d'histoire Mercier-Hochelaga-Maisonneuve