Make a gift in honor of the good that comes from BDN journalism in your hands, and help raise $60,000 this spring to support our reporting. Make a donation now. Construction will begin on the Joshua Chamberlain Bridge next week. The Maine Department of Transportation will begin its work on the bridge connecting Bangor and Brewer on Monday. That will require reducing the bridge to one lane of one-way traffic into the fall. Just one sidewalk will…