Historic Bridges of the U.S. | Merrimack County, New Hampshire

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Bement Covered Bridge
Covered bridge over West Branch Brook on Bradford Center Road in Bradford
Open to traffic
Built 1854; rehabilitated 1964

Borough Road Bridge
Concrete arch bridge over Smith River on Borough Road in Hill
Open to traffic
Built 1930

Cilleyville Covered Bridge
Covered bridge over Pleasant Brook in Andover
Closed to all traffic
Built 1887; rehabilitated 2003

Contoocook Railroad Bridge
Lattice through truss bridge over Contoocook River on former Boston & Maine Railroad
Open to pedestrians
Built 1889

Contoocook River Bridge
Concrete arch bridge over Contoocook River on NH 114 in Henniker
Open to traffic
Built 1939; rehabilitated 2001

Dalton Bridge
Covered bridge over Warner River on Joppa Road West in Warner
Open to traffic
Built 1853; rehabilitated 1963

Depot Street Bridge
Through truss bridge over Merrimack River on Old Canterbury Road in Boscawen
Closed to all traffic
Built 1907

Keniston Covered Bridge
Covered bridge over Blackwater River on Bridge Road in Andover
Open to traffic
Built 1882

Last Street Bridge
Wooden bridge over Sucker Brook on Last Street in Andover
Open to traffic
Built 1936

Lilac Bridge
Bypassed through truss bridge over Merrimack River in Hooksett
Closed to all traffic
Built 1909; Repaired 1936; Bypassed in 1976

Lower Ridge Road Bridge
Concrete arch bridge over Academy Brook on Lower Ridge Road in Loudon
Open to traffic
Built 1931

Main Street Bridge
Stone arch bridge over Suncook River on Main Street in Pittsfield
Open to traffic
Built 1942

Main Street Bridge
Stone arch bridge over Lake Todd Outlet on Main Street in Bradford
Open to traffic
Built 1929; rehabilitated 1935

Maple Street Bridge
Wooden bridge over abandoned NHRR on Maple Street in Andover
Open to traffic
Built 1930

NHRR Bridge
Wooden bridge over Roy Ford Road on abandoned NHRR in Danbury
Open to pedestrians only
Built 1940

NHRR Bridge
Wooden bridge over Chance Pond Road on abandoned NHRR in Franklin
Open to traffic
Built 1936

Old Town Line Road Bridge
Concrete arch bridge over Colby Brook on Old Town Line Road in Warner
Open to traffic
Built 1914

Patterson Hill Road Bridge
Through truss bridge over Contoocook River on Patterson Hill Road in Henniker
Open to traffic
Built 1915; rehabilitated 2001

Pineground Bridge
Lenticular through truss bridge over Suncook River in Chichester
Open to pedestrians
Built 1887 by the Berlin Iron Bridge Co.

Pingree Bridge
Pratt pony truss bridge over Blackwater River on Mountain Road
Open to traffic

Ramsdell Road Bridge
Through truss bridge over Contoocook River on Ramsdell Road in Henniker
Open to traffic
Built 1937

Rowell's Bridge
Covered bridge over Contoocook River on West Hopkinton Road in Hopkinton
Open to traffic
Built 1853; rehabilitated 1996

Sewalls Falls Road Bridge
Through truss bridge over Merrimack River on Sewalls Falls Road
Open to traffic
Built 1915; rehabilitated 1936

Smith River Bridge
Slab bridge over Smith River on Old Nh 3a
Open to traffic
Built 1999

Suncook Connector Bridge
Deck truss bridge over Suncook River and Buck Street on US 3 in Suncook
Open to traffic
Built 2007

Suncook River Bridge
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
Wooden bridge over abandoned NHRR on Valley Road in Andover
Open to traffic
Built 1930; rehabilitated 2002

Waterloo Bridge
Covered bridge over Warner River on New Market Road in Warner
Open to traffic
Built 1840; rehabilitated 1970

Western Avenue Bridge
Through truss bridge over Contoocook River on Western Avenue in Henniker
Open to traffic
Built 1933; rehabilitated 1988