Chesterfield bridge is a 425-ft long, two-lane steel through a tied arch-truss bridge over the Connecticut River in Chesterfield, New Hampshire. It is located between Brattleboro, Vermont, and Chesterfield. The bridge carries the Franklin Pierce Highway, New Hampshire Route 9. Sena Kumarasena, Ph.D., PE served as NHDOT in-house Technical Consultant and Peer Reviewer.