B&M - Penacook Lower Covered Bridge[Map] Lost Childs through truss bridge over Contoocook River on Boston & Maine Railroad Replaced by a new bridge Built 1867; Repaired 1876; Replaced 1919
B&M - Penacook Upper Covered Bridge[Map] Lost Town lattice through truss bridge over Contoocook River on Boston & Maine Railroad Replaced by a new bridge Built 1867; Replaced 1921
B&M - Suncook River Town Deck Truss[Map] Lost Town lattice deck truss bridge over Suncook River on Boston & Maine Railroad Collapsed Built ?; Collapsed 1970
Barnstead Road Bridge[Map] Concrete rigid frame bridge over Suncook River on Barnstead Road (NH-107) Open to traffic Built 1934
Bement Covered Bridge 29-07-03[Map · Street View] Covered bridge over West Branch Warner River on Bradford Center Road in Bradford Open to traffic Built 1854; rehabilitated 1964
BM - Franklin Covered Bridge[Map] Lost covered bridge over Merrimack River on Boston & Maine Railroad Collapsed Built 1890; Center pier lost 1936; Collapsed 1945
BM - Smith River Bridge 113.84[Map] 1914 Pony/through plate girder bridge over Smith River on B&MRR/Northern Rail Trail Open to traffic Built 1914
BM - Sulphite Railroad Covered Bridge 29-07-09[Map] Pratt deck truss bridge over Winnipesautee River on Former Boston & Maine Railroad (Franklin & Tilton Railroad) Closed to all traffic Built 1896 as Covered Pratt Deck Truss, Abandoned 1976, Outer wood burned off by vandals in 1980
BM - Suncook Loop Covered Bridge (E)[Map] Lost Through truss bridge over Merrimack River on Boston & Maine Railroad Destroyed by flooding Built 1889; Closed 1935; Destroyed by Flooding 1936
BM - Suncook Loop Covered Bridge (W)[Map] Lost Through truss bridge over Merrimack River on Boston & Maine Railroad Destroyed by flooding Built 1889; Closed 1935; Destroyed by Flooding 1936
BM - Winnipesaukee River Bridge[Map · Street View] Abandoned timber stringer bridge over Winnipesaukee River and Winnipesakeee River Trail on Boston & Maine Railroad Derelict/abandoned
BM/CM - Turkey Falls Bridge[Map] Lost Through truss bridge over Merrimack River on B&MRR Removed but not replaced Built 1912
BM/CM - Turkey Falls Covered Bridge[Map] Lost Through truss bridge over Merrimack River on Boston & Maine Railroad & Concord & Manchester Electric Railway Replaced by a new bridge Built ca. 1903; Replaced 1912
Borough Road Bridge[Map] Concrete arch bridge over Smith River on Borough Road in Hill Replaced by a new bridge Built 1930
Boscawen-Canterbury Bridge[Map] Through truss bridge over Merrimack River on Old Canterbury Road in Boscawen Removed but not replaced Built 1907, Closed in 1965; Demolished 2014
Contoocook Covered Bridge 29-07-63x[Map] Lost Long through truss bridge over Contoocook River on Main Street/Park Avenue/Route 103 Removed as part of a WPA make-work project Built 1853; Razed 1935
Dalton Covered Bridge 29-07-05[Map · Street View] Covered Queenspost/Long through truss bridge over Warner River on Joppa Road West in Warner Open to traffic Built 1853 by Joshua Sanborn; Rehabilitated 1963
Edna Dean Proctor Bridge[Map] Concrete arch bridge over Contoocook River on NH 114 in Henniker Open to traffic Built 1939; rehabilitated 2001
High Street Bridge[Map · Street View] Warren pony truss with alternating verticals bridge over Smith River on High Street Closed to all traffic Built 1913
Hooksett Footbridge[Map] Modern Pratt half-through truss bridge over Merrimack River on Pedestrian Walkway Open to pedestrians Built 2017 to replace previous Lilac Bridge
Hooksett Memorial Bridge[Map] Steel stringer bridge over Merrimack River on Main Street Open to traffic Built 1976 to replace/bypass Lilac Bridge
Hopkinton Covered Railroad Bridge[Map · Street View] Double Lattice through truss bridge over Contoocook River on former Boston & Maine Railroad Open to pedestrians Built 1889, Washed off abutments and restored 1936 & 1938; Abandoned 1962; Restored 1990; Major rehab 2003; Fire suppression and fire proofing 2009; Removal of center shelving 2017; Erosion control fixes, minor siding repairs, new staining 2019
Last Street Bridge[Map] Wooden bridge over Sucker Brook on Last Street in Andover Open to traffic Built 1936
Lilac Bridge[Map · Street View] Lost through truss bridge over Merrimack River in Hooksett Superstructure replaced with new modern truss footbridge reusing original piers Built 1909; South span destroyed & replaced 1936; Bypassed in 1976; demolished July 2017
Lower Ridge Road Bridge[Map] Concrete arch bridge over Academy Brook on Lower Ridge Road in Loudon Open to traffic Built 1931
Main Street Bridge[Map] Stone arch bridge over Suncook River on Main Street in Pittsfield Open to traffic Built 1942
Main Street Bridge[Map] Stone arch bridge over Lake Todd Outlet on Main Street in Bradford Open to traffic Built 1929; rehabilitated 1935
Manchester Street Bridge[Map] Lost Pratt through truss bridge over Merrimack River on Manchester Street Replaced by new bridge Built 1933; replaced 1998
Maple Street Bridge[Map · Street View] Wooden bridge over abandoned NHRR on Maple Street in Andover Open to traffic Built 1930 Recon 2005
Mary's Bridge[Map] Lost Town lattice truss covered bridge over Suncook River on Bridge Street Replaced by a new bridge Built 1879
Northern Rail Trail - Sucker Brook Bridge[Map · Street View] Slab bridge over Sucker Brook on BMRR/Northern Rail Trail Open to traffic built ca 1847-Roconstructed/Replaced probably several times untill this bridge ca 1930
Old Mill Street Bridge[Map · Street View] 2 span Warren pony truss with no verticals bridge over Warner River on Abandoned Road Closed Built c. 1910; Bypassed & abandoned 1967
Old Town Line Road Bridge[Map] Concrete arch bridge over Colby Brook on Old Town Line Road in Warner Open to traffic Built 1914
Patterson Hill Road Bridge[Map · Street View] Through truss bridge over Contoocook River on Patterson Hill Road in Henniker Open to traffic Built 1915 by Groton Bridge Co.; rehabilitated 2001
Pineground Bridge[Map] Pin connected Lenticular through truss bridge over Suncook River in Chichester Open to pedestrians only Built 1887 by the Berlin Iron Bridge Co.; Closed to traffic 1978; Bypassed and rehabilitated for pedestrian use 1981
Pingree Bridge[Map · Street View] Pin connected Pratt pony truss bridge over Warner River on path Removed from original location 2010, moved to new location after refurbishment 2013 Built 1893 by Groton Bridge Co.; purchased 2010 by Peter Ladd, refurbished and installed across Warner River September 18, 2013
Ramsdell Road Bridge[Map · Street View] Warren through truss bridge over Contoocook River on Ramsdell Road in Henniker Open to traffic Built 1937; rehabbed in 2009
Rowell's Covered Bridge 29-07-08[Map · Street View] Covered bridge over Contoocook River on West Hopkinton Road (Clement Hill Rd) in Hopkinton Open to traffic Built 1853; rehabilitated 1996
Sanborn Bridge[Map · Street View] 1940 Steel stringer bridge over Winnipesaukee River on US-3 Open to traffic Built 1940
Sewalls Falls Road Bridge[Map · Street View] Through truss bridge over Merrimack River on Sewalls Falls Road Demolished and replaced Built 1915; rehabilitated 1936; Demolished & replaced by UCEB in 2015
Smith River Road Bridge[Map · Street View] 1941 Pony/through plate girder bridge over Smith River on Smith River Road (former NH 104) Open to traffic Built 1941; reconstructed 2001
Smith River Road Bridge #3[Map · Street View] Pony/through plate girder bridge over Smith River on Smith River Road (formerly NH 104) Open to traffic Built 1937, reconstructed 2002
Suncook River Bridge[Map] Lost deck truss bridge over Suncook River on US 3 in Allenstown Replaced by similar double-decker truss bridge Built 1931; replaced 2007
The Crossroads Bridge[Map] Steel stringer bridge over Merrimack River & Railroad on Interstate 93 (Alan B. Shepard Highway) Open to traffic Twin span bridge built 1976; SB bridge rehabiliated 2011; NB bridge rehabilitated 2013
Water Street Bridge[Map] Lost Girder bridge over BMRR on US Hwy. 3/Water Street Replaced by new bridge Built 1936; Replaced in 2000
Waterloo Covered Bridge 29-07-04[Map] Covered Lattice truss bridge over Warner River on New Market Road in Warner Open to traffic Built 1840; rehabilitated 1970
Western Ave Bridge (New)[Map · Street View] Warren pony truss with all verticals bridge over Contoocook River on Western Avenue Newly Built Built 2016 by the US Bridge Co.
Western Avenue Bridge (Older)[Map · Street View] Through truss bridge over Contoocook River on Western Avenue in Henniker Replaced by a new bridge Built 1933; rehabilitated 1988: replaced 2017
Winnipesaukee River Bridge[Map] Lost Lenticular pony truss bridge over Winnipesaukee River on Central Street Replaced by a new bridge