Merrimack County

B&M/C&M - Turkey Falls 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
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
Blackwater River B&M Railroad Bridge 101.73   [Map]
Pony/through plate girder bridge over Blackwater River on Northern Rail Trail
Open to pedestrians only
Blackwater River B&M Railroad Bridge 102.30   [Map]
Warren through truss with alternating verticals bridge over Blackwater River on Northern Rail Trail - Merrimack County
Open to pedestrians only
Blackwater River B&M Railroad Bridge 103.30   [Map]
Pony/through plate girder bridge over Blackwater River on Pedestrian Trail
Open to traffic
Blackwater River B&M Railroad Bridge 103.93   [Map]
Pony/through plate girder bridge over Blackwater River on Trail
Open to traffic
BM - Sulphite Covered Bridge   [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 - Warner River Bridge   [Map]
Abandoned through truss bridge over Warner River on B&M Claremont-Concord Branch
Derelict/abandoned
BM - Winnipesaukee River Bridge   [Map · Street View]
Abandoned timber stringer bridge over Winnipesaukee River and Winnipesakeee River Trail on Boston & Maine Railroad
Derelict/abandoned
Borough Road Bridge   [Map]
Concrete arch bridge over Smith River on Borough Road in Hill
Replaced by a new bridge
Built 1930
Chance Pond Brook Pedestrian Bridge   [Map · Street View]
Lattice through truss bridge over Chance Pond Brook on Pedestrian Path
Open to pedestrians only
Cilleyville Covered Bridge 29-07-01   [Map]
Covered bridge over Pleasant Brook in Andover
Closed to all traffic
Built 1887; rehabilitated 2003
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]
Covered bridge over Warner River on Joppa Road West in Warner
Open to traffic
Built 1853; rehabilitated 1963
Depot Street 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
Edna Dean Proctor Bridge   [Map]
Concrete arch bridge over Contoocook River on NH 114 in Henniker
Open to traffic
Built 1939; rehabilitated 2001
Henniker Road Covered Bridge 29-07-62x   [Map]
Lost Covered Briggs lattice truss bridge over Contoocook River on Old Route 9 & 202
Replaced
Built 1862 Replaced 1936
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
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
Keniston Covered Bridge 29-07-02   [Map]
Covered bridge over Blackwater River on Bridge Road in Andover
Open to traffic
Built 1882
Last Street Bridge   [Map]
Wooden bridge over Sucker Brook on Last Street in Andover
Open to traffic
Built 1936
Lilac Bridge   [Map · Street View]
Bypassed through truss bridge over Merrimack River in Hooksett
Closed to all traffic
Built 1909; Repaired 1936; Bypassed in 1976
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
Marston Hill Road Boston & Maine Railroad Bridge 94.92   [Map · Street View]
Deck plate girder bridge over Marston Hill Rd on BMRR/Northern Rail Trail
Open to traffic
Merimack River Hannah Dustin Drive Bridge   [Map · Street View]
Bridge
Removed but not replaced
Merrimack river Concord and Manchester Electric Railway Bridge   [Map]
Lost Through truss bridge over Merrimack River on B&MRR
Removed but not replaced
Built 1912
Merrimack River Franklin and Tilton Railroad Bridge   [Map]
Lost covered bridge over Merrimack River on ABD RR
Collapsed
Built 1890
NEGS - Merrimack River Bridge   [Map · Street View]
Warren through truss with all verticals bridge over Merrimack River on New England Southern Railroad
Open to traffic
New England College Covered Bridge 29-07-12   [Map]
Town lattice truss bridge over Contoocook River on Footbridge
Open to pedestrians only
Built 1972
Northern Rail Trail - Chance Pond Branch Bridge   [Map · Street View]
Deck arch bridge over Chance Pond Branch on Northern Rail Trail
Open to pedestrians only
Northern Rail Trail - Chance Pond Brook Bridge   [Map · Street View]
Stone arch bridge over Chance Pond Brook on Northern Rail Trail
Open to traffic
Northern Rail Trail - Chance Pond Road Overpass   [Map · Street View]
Pony plate girder bridge over Chance Pond Road on Northern Rail Trail in Franklin
Open to pedestrians only
Built 1936
Northern Rail Trail - Old South Main Overpass   [Map · Street View]
Pony/through plate girder bridge over Old South Main Street/NH-127 on Northern Rail Trail
Open to pedestrians only
Northern Rail Trail - Punch Brook Bridge   [Map · Street View]
Deck plate girder bridge over Punch Brook on Northern Rail Trail
Open to pedestrians only
Northern Rail Trail - Roy Ford Road/Frazier Brook Bridge   [Map · Street View]
Wooden bridge over Roy Ford Road and Frazier Brook on Northern Rail Trail in Danbury
Open to pedestrians only
Built 1940
Northern Rail Trail US-4 Bridge   [Map · Street View]
1937 Pony plate girder over B&MRR/Northern Rail Trail on US-4
Open to traffic
Built 1937 Recon 1986
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; rehabilitated 2001
Pineground Bridge   [Map]
Lenticular through truss bridge over Suncook River in Chichester
Open to pedestrians only since 1978, renovation completed in 1981
Built 1887 by the Berlin Iron Bridge Co.
Pingree Bridge   [Map · Street View]
Pratt pony truss bridge over Blackwater River on Mountain Road
Removed from original location 2010, moved to new location after refurbishment 2013
Built 1893; purchased 2010 by Peter Ladd, refurbished and installed across Warner River September 18, 2013
Ragged Mountain Highway Bridge   [Map · Street View]
Pony/through plate girder bridge over Smith River on NH 104
Open to traffic
Built 1940, rehabilitated 1991
Ramsdell Road Bridge   [Map]
Through truss bridge over Contoocook River on Ramsdell Road in Henniker
Open to traffic
Built 1937
Rowell's Covered Bridge 29-07-08   [Map · Street View]
Covered bridge over Contoocook River on West Hopkinton Road 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
Intact but closed to all traffic
Built 1915; rehabilitated 1936
Smith River B&M Railroad Bridge 113.84   [Map]
1914 Pony/through plate girder bridge over Smith River on B&MRR/Northern Rail Trail
Open to traffic
Built 1914
Smith River Bridge   [Map]
Slab bridge over Smith River on Old Nh 3a
Open to traffic
Built 1999
Smith River Bridge   [Map · Street View]
Concrete arch bridge over Smith River on NH 3A in Bristol
Open to traffic
Built 1940
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
Smith River US-4 Bridge   [Map · Street View]
1929 Pony/through plate girder bridge over Smith River on US-4
Open to traffic
Built 1929
Soucook River Bridge   [Map · Street View]
Concrete tee beam bridge over Soucook River on NH- 9
Open to traffic
Built 1936; rehabilitated 1989
ST - Contoocook River Bridge (N)   [Map · Street View]
Pony/through plate girder bridge over Contoocook River on Springfield Terminal Railway
Open to pedestrians only
ST - Contoocook River Bridge (S)   [Map · Street View]
Warren through truss with all verticals bridge over Contoocook River on Springfield Terminal Railway
built june 1920
ST - Merrimack River Bridge (Hooksett)   [Map · Street View]
Warren through truss with sub-panels bridge over Merrimack River on Pan Am Railways
Open to traffic
Sucker Brook Boston & Maine Railroad Bridge 95.50   [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
Sucker Brook Franklin Highway Bridge   [Map]
1929 Concrete culvert bridge over Sucker Brook on Franklin Hwy/NH11
Open to traffic
Built 1929
Sulphite Railroad Covered Bridge 29-07-09   [Map]
Abandoned pratt deck truss bridge over Winnipesaukee River
Derelict/abandoned railroad
Built 1896
Suncook Connector Bridge   [Map · Street View]
Deck truss bridge over Suncook River and Buck Street on US 3 in Suncook
Open to traffic
Built 2007
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
Valley Road Bridge   [Map]
Wooden bridge over abandoned NHRR on Valley Road in Andover
Open to traffic
Built 1930; rehabilitated 2002
Walker Brook Road Boston & Maine Railroad Bridge   [Map · Street View]
1901 Slab bridge over Walker Brook Rd on B&MRR/Northern Rail Trail
Open to traffic
Warner River Bridge   [Map · Street View]
Warren pony truss with no verticals bridge over Warner River on Abandoned Road
Closed
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 Avenue Bridge   [Map · Street View]
Through truss bridge over Contoocook River on Western Avenue in Henniker
Open to traffic
Built 1933; rehabilitated 1988
Winnipesaukee River Franklin Falls Hydro Electric Plant no. 2 Bridge   [Map · Street View]
Other through truss bridge over Winnipesaukee River on Pedestrian
Winnipesaukee River New England Southern Bridge 18.61   [Map · Street View]
Deck plate girder bridge over Winnipesaukee River Bridge on NEGSRR
Open to traffic
Built 1931
Winnipesaukee River New England Southern Bridge 18.78   [Map]
Deck plate girder bridge over Winnipesaukee River on NEGS