http://www.cbc.ca/news/canada/saskatoon/limited-access-broadway-bridge-1.3569841
Above link has more details, but note that the intersection at Broadway Avenue and 12th Street will be closed on May 9, cutting off the route between the Broadway Bridge and Broadway Avenue.
Water main upgrade work in this area is expected to be completed in two weeks.
It will be followed by road resurfacing that is estimated to end on June 1.
The City of Saskatoon encourages commuters to use the Senator Sid Buckwold and University bridges during the project.