Portsmouth, New Hampshire

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Bartlet Street Pan Am Railways Bridge (Rockingham County, New Hampshire)
1940 girder with flooring system
Pony/through plate girder bridge over Bartlett St on Pan Am Railways


Hodgson Brook Bartlett Street Bridge (Rockingham County, New Hampshire)
1901 Masonary culvert
Stone culvert bridge over Hodgson Brook on Bartlett St/ Buildings
Open to traffic

Little Harbor Bridge (Rockingham County, New Hampshire)
Built 1942; rehabilitated 1975
Bascule bridge over Little Harbor on NH 1B in New Castle
Open to traffic

Memorial Bridge (New) (Rockingham County, New Hampshire)
Built 2012-13, Opened August 2013
Through truss bridge over Piscatiqua River on US 1
Open

Memorial Bridge (Old) (Rockingham County, New Hampshire)
Built 1923, rehabilitated 1982, closed to vehicle traffic in 2011
Vertical lift bridge over Piscataqua River on US 1 in Portsmouth
Demolished.

Sarah Mildred Long Bridge (Rockingham County, New Hampshire)
Built 1940; rehabilitated 1991; railroad use discontinued Dec. 2015; replaced 2017-2018
Vertical lift bridge over Piscataqua River on US 1 Bypass in Portsmouth
Replaced by a new bridge

Sarah Mildred Long Bridge (New) (York County, Maine)
Built 2018
Vertical-lift bridge over Piscataqua River on US-1 Bypass
Open to traffic

US1 Bypass Woodbury Avenue Bridge (Rockingham County, New Hampshire)
1950 Concrete rigid frame
Concrete rigid frame bridge over US1 Bypass on Woodbury Ave
Open to traffic