Merrimack County

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 - Upside-Down Covered Bridge   [Map]
Pratt deck truss bridge over Winnipesautee River on Former Boston & Maine Railroad (originally Tilton & Franklin Railroad)
Closed to all traffic
Built 1896 as Covered Pratt Deck Truss, Abandoned 1976, Outer wood burned off by vandals in 1980
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
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
Edna Dean Proctor Bridge   [Map]
Concrete arch bridge over Contoocook River on NH 114 in Henniker
Open to traffic
Built 1939; rehabilitated 2001
Henniker New Covered Bridge 29-07-62x   [Map]
Lost Covered Town lattice truss bridge over Contoocook River on Old Route 9 & 202
Removed but not replaced
Built 1863; Destroyed by flooding and removed 1936
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
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 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
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
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
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 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
Soucook River Bridge   [Map · Street View]
Concrete tee beam bridge over Soucook River on NH- 9
Open to traffic
Built 1936; rehabilitated 1989
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
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
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