It's just upstream from the Mactaquac Dam, which occasionally releases water downstream on the St. John River. But O'Hara said the dam's operator, N.B. Power, gave little notice on Aug.

Aside from the Marysville and Centennial bridges, Julmac says in its claim that it holds contracts with the province to carry out work on the Mactaquac Dam crossing, and Anderson Bridge in Miramichi.