Bagnell Dam Boulevard, or Business Route 54, in Lake Ozark is scheduled to close Wednesday and Thursday for permit work, according to a news release from the Missouri Department of Transportation. The closure starts at Valley Road and extends to Route W, according to the release. It is expected to last from 8 a.m. to 3 p.m. both days, May 20 and 21. Local property owners will be able to access their driveways, but all other drivers will need to seek an alternate route, the release said.