Baker pitches $3B infrastructure plan to fix bridges

The Rourke Bridge over the Merrimack River in Lowell was intended as a temporary span when it was installed almost 40 years ago. Congresswoman Lori Trahan remembers driving cautiously over it in her dad's pickup truck when she first got her license, and said that as an adult training for road races she would "sprint across the bridge because I looked up at the chain link-covered pedestrian lane and it just instantly felt like a death trap." The two-lane bridge is critical to major regional employers…