DULUTH, MN (KDAL) - The right lane of southbound I-535 across the Blatnik Bridge will be closed for several weeks starting Monday. The inside lane heading toward Superior will remain open. There are also temporary closures of one northbound lane, heading toward Duluth, between 9 a-m and 6 p-m during the week. The work being done on the bridge includes additional painting and the installation of a new lighting system. The entire project should be complete by October of this year.