New Hampshire Central Railroad

Reporting mark: NHCR
NHCR - Upper Ammonoosuc River Bridge (Coos County, New Hampshire)
Built in 1883 by Boston Bridge Works
Through truss bridge over Upper Ammonoosuc River on New Hampshire Central Railroad
Open to traffic

Rail-Trail Connecticut River Bridge (Coos County, New Hampshire)
Built in 1902 by the American Bridge Company.
Baltimore through truss bridge over Connecticut River (formerly MEC and NSRC railroads)
Open to pedestrians