Allds Street Bridge Stone arch bridge over Salmon Brook on Allds Street in Nashua Open to traffic Built 1892
Antrim Road Bridge Concrete arch bridge over Contoocook River on Antrim Road in Bennington Open to traffic Built 1929
Baldwin Street Bridge Wooden bridge over BMRR on Baldwin Street in Nashua Open to traffic Built 1935
Bartlett Hill Road Bridge Wooden bridge over Piscataquog River on Bartlett Hill Road in Deering Open to traffic Built 1930; rehabilitated 1991
Blood Brook Bridge Stone arch bridge over Blood Brook on NH 101 in Temple Open to traffic Built 1927
BMRR Bridge Wooden bridge over Antrim Road on abandoned BMRR in Bennington Open to traffic Built 1930
Boglie Brook Bridge Stone arch bridge over Boglie Brook on NH 136 in Peterborough Open to traffic Built 1901; rehabilitated 1980
Bypassed Historic Bridge Stone arch bridge over North Branch River on Bypassed Historic in Hillsborough Closed to all traffic Built 1867
Bypassed Historic Bridge Through truss bridge over Souhegan River on Bypassed Historic in Milford Closed to all traffic Built 1910; rehabilitated 1973
Bypassed Historic Bridge Concrete arch bridge over Souhegan River on Bypassed Historic in Wilton Closed to all traffic Built 1916
Bypassed Historic Bridge Pony truss bridge over Contoocook River on Bypassed Historic in Antrim Closed to all traffic Built 1893
Canal Street Bridge Concrete arch bridge over Nashua River on Canal Street in Nashua Open to traffic Built 1928
Castle Hill Road Bridge Wooden bridge over Beaver Brook on Castle Hill Road in Pelham Open to traffic Built 1920; rehabilitated 1973
Clarkville Road Bridge Wooden bridge over South Branch Piscataquog River on Clarkville Road in Francestown Open to traffic Built 1930
Cohas Avenue Bridge Stone arch bridge over Cohas Brook on Cohas Avenue in Manchester Open to traffic Built 1900
Country Road Bridge Wooden bridge over H20 LOOM PND OUTLET on Country Road in New Ipswich Open to traffic Built 1920; rehabilitated 1960
Daniel Webster Highway Bridge Concrete arch bridge over Nashua River on Daniel Webster Highway in Nashua Open to traffic Built 1925
Daniel Webster Highway Bridge Stone arch bridge over Salmon Brook on Daniel Webster Highway in Nashua Open to traffic Built 1901
Depot Street Bridge Concrete arch bridge over Relief on Depot Street in Antrim Open to traffic Built 1914
Elm Street Bridge Stone arch bridge over Souhegan River on Elm Street in Milford Open to traffic Built 1917; rehabilitated 1952
Fairmount Street Bridge Wooden bridge over BMRR on Fairmount Street in Nashua Open to traffic Built 1930
Forrest Road Bridge Covered bridge over Contoocook River on Forrest Road in Hancock Open to traffic Built 1937
Frye Mill Road Bridge Wooden bridge over Burton Pond Outlet on Frye Mill Road in Wilton Open to traffic Built 1920; rehabilitated 1960
Gage Hill Road Bridge Stone arch bridge over Beaver Brook on Gage Hill Road in Pelham Open to traffic Built 1900; rehabilitated 1929
Great Brook Bridge Stone arch bridge over Great Brook on NH 101A (Elm Street) in Milford Open to traffic Built 1933
Hermit Road Bridge Stone arch bridge over Canal Inlet on Hermit Road in Manchester Open to traffic Built 1900
Lyndeborough Road Bridge Wooden bridge over South Branch Piscataquog River on Lyndeborough Road in New Boston Open to traffic Built 1940; rehabilitated 2000
Merrimack River Bridge Deck truss bridge over Merrimack River on US 3/NH 3A in Manchester Open to traffic Built 1923; rehabilitated 1995
Mill Street Bridge Stone arch bridge over Souhegan River on Mill Street in Greenville Open to traffic Built 1925
Moeckel Road Bridge Wooden bridge over Golden Brook on Moeckel Road in Pelham Closed to all traffic Built 1920; rehabilitated 1982
Nashua River Bridge Concrete arch bridge over Nashua River on NH 111 in Hollis Open to traffic Built 1950; rehabilitated 1982
Old Bridge Street Bridge Stone arch bridge over Beaver Brook on Old Bridge Street in Pelham Open to traffic Built 1920; rehabilitated 1998
Old Twin Bridge Road Bridge Wooden bridge over Baboosic Brook on Old Twin Bridge Road in Merrimack Closed to all traffic Built 1920
Old Twin Bridge Road Bridge Wooden bridge over Baboosic Brook on Old Twin Bridge Road in Merrimack Closed to all traffic Built 1920
Piscataquog River Bridge Stone arch bridge over Piscataquog River on NH 3A (South Main Street) in Manchester Open to traffic Built 1894; rehabilitated 2003
Piscataquog River Bridge Concrete arch bridge over Piscataquog River on NH 13/NH 114 in Goffstown Open to traffic Built 1928
Russell Hill Road Bridge Wooden deck truss bridge over Blood Brook on Russell Hill Road in Wilton Closed to all traffic Built 1860; rehabilitated 1973
Russell Station Road Bridge Wooden bridge over Rand Brook on Russell Station Road in Francestown Open to traffic Built 1930
Souhegan River Bridge Stone arch bridge over Souhegan River on US 3 in Merrimack Open to traffic Built 1921; rehabilitated 1934
Souhegan River Bridge Stone arch bridge over Souhegan River on NH 13 in Milford Open to traffic Built 1931
Stage Coach Road Bridge Wooden bridge over Burton Pond Outlet on Stage Coach Road in Wilton Open to traffic Built 1940; rehabilitated 1960
Stony Brook Bridge Stone arch bridge over Stony Brook on NH 31 in Wilton Open to traffic Built 1905
Temple Brook Bridge Stone arch bridge over Temple Brook on NH 45 in Temple Open to traffic Built 1951; rehabilitated 1971
Temple Road Bridge Stone arch bridge over Blood Brook on Temple Road in Wilton Open to traffic Built 1901
West Deering Road Bridge Pony truss bridge over Contoocook River on West Deering Road in Deering Open to traffic Built 1905
Wilton Road Bridge Through truss bridge over Souhegan River on Wilton Road in Greenville Open to traffic Built 1938; rehabilitated 1986