The National Capital Commission says challenges during the procurement and construction process mean the bridge will remain closed an additional three months. Detour sign in the City of Ottawa, February 28, 2018. (Photo/ Mike Vlasveld) Detours around construction at the Hog's Back Bridge will be in place for a few additional months.It was announced in August of 2019 that components of the swing bridge had reached the end of their life cycle and the National Capital Commission