Alton, New Hampshire

BM - Merrymeeting River Bridge (Belknap County, New Hampshire)
Lost Double-intersection Warren deck truss bridge over Merrymeeting River/Letter S Rd on B&M RR
Removed but not replaced

Jone's Field Footbridge (Belknap County, New Hampshire)
Through truss bridge over Merrymeeting River on Pedestrian path
Open to pedestrians only