Rochfort Bridge is a hamlet in Alberta, Canada within Lac Ste. Anne County. It is located approximately 105 kilometres northwest of Edmonton and 8 kilometres east of Mayerthorpe. Rochfort Bridge is named for Cooper Rochfort, who with his associate, Percy Michaelson, homesteaded on the Paddle River at the point where the old trail from Lac Ste. Ann…Rochfort Bridge is a hamlet in Alberta, Canada within Lac Ste. Anne County. It is located approximately 105 kilometres northwest of Edmonton and 8 kilometres east of Mayerthorpe. Rochfort Bridge is named for Cooper Rochfort, who with his associate, Percy Michaelson, homesteaded on the Paddle River at the point where the old trail from Lac Ste. Anne to the MacLeod River crossed the Paddle River.