US 3

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Baker River Bridge (Grafton County, New Hampshire)
Built 1930
Through truss bridge over Baker River on US 3 in Plymouth
Open to traffic

Concord River Bridge (Middlesex County, Massachusetts)
Built 1953
Pair of concrete arch bridges over Concord River on US 3 in Billerica
Replaced by a new bridge

Glove Hollow Brook Bridge (Grafton County, New Hampshire)
Built 1900; rehabilitated 1970
Concrete arch bridge over Glove Hollow Brook on US 3/NH 25 in Plymouth
Open to traffic

Harvard Brook Bridge (Grafton County, New Hampshire)
Built 1930; rehabilitated 2002
Concrete arch bridge over Harvard Brook on US 3 in Lincoln
Open to traffic

Lost River Bridge (Grafton County, New Hampshire)
Built 1931
Concrete arch bridge over Lost River on US 3 in Woodstock
Open to traffic

Moose Falls Bridge (Coos County, New Hampshire)
Built 1961
Concrete bridge over Connecticut River on Daniel Webster Highway (US 3)
Open to traffic

Paugus Bay Bridge (Belknap County, New Hampshire)
Built 1933
Concrete arch bridge over Weirs Channel on US 3 in Laconia
Open to traffic

Pemigewasset River Bridge (Grafton County, New Hampshire)
Built 1937; rehabilitated 1987
Deck truss bridge over Pemigewasset River on US 3 in Ashland
Open to traffic

Queen City Bridge (Hillsborough County, New Hampshire)
Built 1923; rehabilitated 1995
Deck truss bridge over Merrimack River on US 3/NH 3A in Manchester
Open to traffic

Souhegan River Bridge (Hillsborough County, New Hampshire)
Built 1921; rehabilitated 1934
Stone arch bridge over Souhegan River on US 3 in Merrimack
Open to traffic

Suncook Connector Bridge (Merrimack County, New Hampshire)
Built 2007
Deck truss bridge over Suncook River and Buck Street on US 3 in Suncook
Open to traffic

Suncook River Bridge (Merrimack County, New Hampshire)
Built 1931; replaced 2007
Lost deck truss bridge over Suncook River on US 3 in Allenstown
Replaced by similar double-decker truss bridge

Union Bridge (Grafton County, New Hampshire)
Lost Pratt Through truss bridge over Pemigewasset River on US 3
Replaced by a new bridge

US 3 Connecticut River Bridge (Coos County, New Hampshire)
Built 1931; rehabilitated 1984
Pony/through plate girder bridge over Connecticut River on US 3
Open to traffic