NW 4th St. intersection to close April 26 for construction A roundabout will be constructed at the intersection of Northwest Fourth and Jackson streets to allow for better traffic flow and fewer collisions. Written By: Brainerd Dispatch | × The intersection of Northwest Fourth and Jackson streets in Brainerd will be closed beginning April 26, 2021.,for a construction project, which will add a roundabout to the intersection. Theresa Bourke / Brainerd Dispatch The intersection of Northwest Fourth and Jackson streets in Brainerd will be closed to traffic beginning Monday, April 26, for construction of a roundabout. The closure will block all access to and from Northtown, Riverside Drive and Beaver Dam Road and is expected to be in effect through the second week in June. The contractor will maintain a passable route for emergency vehicles only. During this time, traffic should use alternate routes.