You're getting 2 things mixed uo. Allens Ave is one direction, heaidn toward the city, between the hurricane barrier and eddy, away from the city, you need to use Eddy. its for regrading of the roadway
The other is the Pawtucket River Bridge. they're shifting lanes, because they worried about the outside girders. The left breakdown lane will be 7 feet wide, while the left will only be 4, three lanes will be open when they finish painting that.