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New Hampshire

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2nd New Hampshire Turnpike North Bridge (Hillsborough County, New Hampshire)
Built 2010
Warren pony truss with all verticals bridge on 2nd New Hampshire Turnpike North
Open to traffic

Abandoned BM (Fort Hill Branch) - Connecticut River Bridge (Windham County, Vermont)
Built 1912 by the American Bridge Co.; Abandoned 1983
Abandoned baltimore through truss bridge over Connecticut River on B&M Fort Hill Branch (abandoned)
Derelict/abandoned

Abandoned BMS - Cross Power Bridge (Coos County, New Hampshire)
Built 1869; Rehabilitated 1924; Strengthened 1944-1946; Abandoned 2006
2 span skewed Whipple through truss bridge over Androscoggin River on former Berlin Mills Railway
Closed

Abandoned BMS - Pulp Mill Bridge (Coos County, New Hampshire)
Built 1921 by Berlin Construction Co.;Abandoned 2006
Abandoned bridge over Androscoggin River on Berlin Mills Railway
Derelict/abandoned

Albany Covered Bridge 29-02-06 (Carroll County, New Hampshire)
Built 1858; rehabilitated 1970
Covered bridge over Swift River on Dugway Road in Albany
Open to traffic

Allds Street Bridge (Hillsborough County, New Hampshire)
Built 1892
Stone arch bridge over Salmon Brook on Allds Street in Nashua
Open to traffic

Allen Hollis Covered Bridge 29-05-e (Grafton County, New Hampshire)
Built 1981
Multiple Kingpost through truss bridge over Lost River
Open to pedestrians only

Amherst Bridge (Hillsborough County, New Hampshire)
Stone culvert bridge over Beaver Brook on Bypassed Alignment of Boston Post Road
Closed to all traffic

Ammonoosuc Rail-Trail - Ammonoosuc River Bridge (Grafton County, New Hampshire)
Built by Boston & Maine RR; line taken over by New Hampshire & Vermont RR, bridge abandoned 1997
Skewed Baltimore through truss bridge over Ammonoosuc River on Ammonoosuc Rail-Trail (Former Railroad)
Open to pedestrians only

Ammonoosuc Rail-Trail - Amonoosuc River Bridge (Littleton, E) (Grafton County, New Hampshire)
Built by Boston & Maine RR; line taken over by New Hampshire & Vermont RR, bridge abandoned ca. 1997
Pin connected Pratt through truss bridge over Ammonoosuc River on former Boston & Maine Railroad
Open to pedestrians only

Ammonoosuc Rail-Trail - Amonoosuc River Bridge (Littleton, Middle) (Grafton County, New Hampshire)
Built 1924 by Boston Bridge Works; Line Abandoned 1997
Baltimore through truss bridge over Ammonoosuc River on Ammonoosuc Rail-Trail
Open to pedestrians only

Ammonoosuc Rail-Trail - Amonoosuc River Bridge (Littleton, W) (Grafton County, New Hampshire)
Built 1911 by Boston Bridge Works; Line abandoned 1997
Warren through truss bridge over Amonoosuc River on Amonoosuc Rail Trail
Open to pedestrians only

Ammonoosuc River Bridge (Grafton County, New Hampshire)
Built 1928 by the American Bridge Company; rehabilitated 1998
Through truss bridge over Ammonoosuc River on NH 142 in Bethlehem
Open to traffic

Ammonoosuc River Bridge (Coos County, New Hampshire)
Built 1915; Replaced 2008
Bridge over Ammonoosuc River on Old Town Road
Replaced by a new bridge

Amoskeag Bridge (Hillsborough County, New Hampshire)
Built 1825
Lost Lattice through truss bridge over Merrimack River on Bridge Street
Destroyed by flooding

Amoskeag Company Bridge (Hillsborough County, New Hampshire)
Lost Bridges over Merrimack River on the current alignment of Foundry Street


Amoskeag Falls Bridge 29-06-20x (Hillsborough County, New Hampshire)
Built 1854
Burr long Through truss bridge over Merrimack River
Collapsed

Anna Hunt Marsh Bridge (Cheshire County, New Hampshire)
Built 1920 by American Bridge Co.; Rehabilitated 1988
Pennsylvania through truss bridge over Connecticut River on NH 119 in Hinsdale
Open to traffic

Antrim Road Bridge (Hillsborough County, New Hampshire)
Built 1929
Concrete arch bridge over Contoocook River on Antrim Road in Bennington
Open to traffic

Artist Falls Road Railroad Bridge (Carroll County, New Hampshire)
Built 2002
Warren deck truss with all verticals bridge over Artist Falls Road on Conway Scenic Railroad
Open to traffic

Ash Street Bridge (Rockingham County, New Hampshire)
Built 1962
Steel rigid frame bridge over I-93 on Ash Street
Open to traffic

Ashland Trestle (Grafton County, New Hampshire)
Warren deck truss with all verticals bridge over Squam River on Plymouth & Lincoln/Hobo Railroad
Open to traffic

Ashuelot Covered Bridge 29-03-02 (Cheshire County, New Hampshire)
Built 1864; rehabilitated 1999
Covered bridge over Ashuelot River on Gunn Mountain Road in Winchester
Open to traffic

Ashuelot Rail Trail - Ash Swamp Brook Bridge (Cheshire County, New Hampshire)
Double-intersection Warren pony truss bridge over Ash Swamp Brook on Ashuelot Rail Trail
Open to pedestrians only

Ashuelot Rail Trail - Ashuelot River Bridge #1 (Cheshire County, New Hampshire)
Built c. 1880's by the Boston Bridge Works; Abandoned 1983; Converted to rail-trail 2009
Double-intersection Warren through truss bridge over Ashuelot River on Ashuelot Rail Trail
Open to pedestrians only

Ashuelot Rail Trail - Ashuelot River Bridge #2 (Cheshire County, New Hampshire)
Built c. 1880's by the Boston Bridge Works; Abandoned 1983; Converted to rail-trail 2009
Double-intersection Warren through truss bridge over Ashuelot River on Ashuelot Rail Trail
Open to pedestrians only

Ashuelot Rail Trail - Ashuelot River Bridge #3 (Cheshire County, New Hampshire)
Built c. 1880's by the Boston Bridge Works; Abandoned 1983; Converted to rail-trail 2009
Double-intersection Warren through truss bridge over Ashuelot River on Ashuelot Rail Trail
Open to pedestrians only

Ashuelot Rail Trail - Ashuelot River Bridge #4 (Cheshire County, New Hampshire)
Built c. 1880's by the Boston Bridge Works; Abandoned 1983; Converted to rail-trail 2009
Double-intersection Warren through truss bridge over Ashuelot River on Ashuelot Rail Trail
Open to pedestrians only

ASL - Salmon Falls Bridge (York County, Maine)
Lost Girder bridge over Salmon Falls River on Atlantic Shore Line Railway
Removed

B&M - Franklin Covered Bridge (Merrimack County, New Hampshire)
Built 1890; Center pier lost 1936; Collapsed 1945
Lost covered bridge over Merrimack River on Boston & Maine Railroad
Collapsed

B&M - Keystone Lane Arch (Merrimack County, New Hampshire)
Abandoned stone arch bridge over Keystone Ln on B&M Suncook Loop
Derelict/abandoned

B&M - Penacook Lower Covered Bridge (Merrimack County, New Hampshire)
Built 1867; Repaired 1876; Replaced 1919
Lost Childs through truss bridge over Contoocook River on Boston & Maine Railroad
Replaced by a new bridge

B&M - Penacook Upper Covered Bridge (Merrimack County, New Hampshire)
Built 1867; Replaced 1921
Lost Town lattice through truss bridge over Contoocook River on Boston & Maine Railroad
Replaced by a new bridge

B&M - Suncook River Town Deck Truss (Merrimack County, New Hampshire)
Built ?; Collapsed 1970
Lost Town lattice deck truss bridge over Suncook River on Boston & Maine Railroad
Collapsed

B&M/C&M - Turkey Falls Bridge (Merrimack County, New Hampshire)
Built 1912
Lost Through truss bridge over Merrimack River on B&MRR
Removed but not replaced

B&M/C&M - Turkey Falls Covered Bridge (Merrimack County, New Hampshire)
Built ca. 1903; Replaced 1912
Lost Through truss bridge over Merrimack River on Boston & Maine Railroad & Concord & Manchester Electric Railway
Replaced by a new bridge

Baboosic Brook Bridge (Hillsborough County, New Hampshire)
Built 1940
Steel stringer bridge over Baboosic Brook on Mcgaw Bridge Road
Open to traffic

Back Bay Lake Winnipesaukee Bridge (Belknap County, New Hampshire)
Built 1942
Stone arch bridge over Back Bay Lake Winnipesaukee on NH 11 in Alton
Open to traffic

Bagley Railroad Bridge (Merrimack County, New Hampshire)
Abandoned through truss bridge over Warner River on B&M Claremont-Concord Branch
Derelict/abandoned

Baker River Bridge (Grafton County, New Hampshire)
Built 1930
Through truss bridge over Baker River on US 3 in Plymouth
Open to traffic

Baker River Bridge (Grafton County, New Hampshire)
Built 1909, removed July 2016
Bypassed through truss bridge over Baker River on Wentworth Village Road in Wentworth
Removed July 2016 and replaced by a relocated non-authentic Pratt truss covered bridge relocated from Hillsborough County 2016

Baker River Bridge (Grafton County, New Hampshire)
Warren deck truss with alternating verticals bridge over Baker River on Snowmobile Trail (former Boston & Maine railroad grade)
Open to traffic

Baker River Plymouth & Lincoln Railroad Bridge (Grafton County, New Hampshire)
Warren through truss with all verticals bridge over Baker River on New England Southern Railroad
Open to traffic

Baker River Sand Hill Road Bridge (Grafton County, New Hampshire)
Built 1928
1928 Pony/through plate girder bridge over Baker River on Sand Hill Rd
Open to traffic

Baldwin Street Bridge (Hillsborough County, New Hampshire)
Built 1935
Wooden bridge over BMRR on Baldwin Street in Nashua
Open to traffic

Barnstead Road Bridge (Merrimack County, New Hampshire)
Built 1934
Concrete rigid frame bridge over Suncook River on Barnstead Road (NH-107)
Open to traffic

Bartlett Covered Bridge 29-02-02 (Carroll County, New Hampshire)
Built 1850; Rehabilitated with added arches c. 1920's; Bypassed 1939; Sold to private owner and converted to gift shop 1965
Paddleford through truss bridge
Open to customers only

Bartlett Hill Road Bridge (Hillsborough County, New Hampshire)
Built 1930; rehabilitated 1991
Wooden bridge over Piscataquog River on Bartlett Hill Road in Deering
Open to traffic

Bath Bridge (Grafton County, New Hampshire)
Built 1928 by Boston Bridge Works; rehabilitated 1936; Bypassed 1989
Warren through truss bridge over Wild Ammonoosuc River on bypassed stretch of Rum Hill Road (US 302) in Bath
Open to pedestrians only

Bath Bridge 29-05-03 (Grafton County, New Hampshire)
Built 1832; rehabilitated 1987; rehabilitated 2013-14
Covered bridge over Ammonoosuc River on West Bath Road in Bath
Open to traffic

Bath/Haverhill Covered Bridge 29-05-04 (Grafton County, New Hampshire)
Built 1827; rehabilitated 1973; Bypassed 1998; rehabilitated 2004
Covered bridge over Ammonoosuc River on NH 135
Open to Pedestrians

Beards Bridge (Grafton County, New Hampshire)
Built 1877 by Phillip Paddleford; Replaced 1937
Lost Town lattice truss bridge over Connecticut River on North Monroe Road
Replaced by a new bridge

Bedell Covered Bridge (Orange County, Vermont)
Built 1866; Tolls Eliminated 1916; Rehabilitated 1929; Closed 1958; Rehabilitated 1976; Destroyed 1979
Lost Burr arch-truss bridge over Conneticut River on Toll House Road
Destroyed in windstorm

Beebe River Bridge (Grafton County, New Hampshire)
Built 1934
Concrete arch bridge over Beebe River on NH 175 in Campton
Open to traffic

Beechers Falls Bridge (Coos County, New Hampshire)
Built 1930; rehabilitated 1971
Steel arch bridge over Connecticut River on Bridge Street in Stewartstown
Open to traffic

Belknap Mountain Road Bridge (Belknap County, New Hampshire)
Built 1931; rehabilitated 1983
Wooden bridge over Gunstock Brook on Belknap Mountain Road in Gilford
Open to traffic

Bell Hill Road (Old) (Coos County, New Hampshire)
Built 1909 by American Bridge Co.; rehabilitated 1960; Bypassed 1990
Bypassed Warren pony truss Bridge over Upper Ammonoosuc River on Bell Hill
Open to pedestrians only. Used for Snowmobiles in winter

Bellamy River Bridge (Strafford County, New Hampshire)
Built 1935
Pony/through plate girder bridge over Bellamy River on Us 4
Demolished and replaced.

Bellows Falls Arch Bridge (Windham County, Vermont)
Built 1905; damaged by flooding in 1936; closed to traffic 1971; demolished 1982
Lost steel through arch bridge over the Connecticut River between Bellows Falls, Vermont, and North Walpole, New Hampshire
Replaced by a new bridge

Bement Covered Bridge 29-07-03 (Merrimack County, New Hampshire)
Built 1854; rehabilitated 1964
Covered bridge over West Branch Warner River on Bradford Center Road in Bradford
Open to traffic

Bennett Road Bridge (Strafford County, New Hampshire)
Built 1910
Wooden bridge over BMRR on Bennett Road in Durham
Open to traffic

Berlin Mills Bridge (Coos County, New Hampshire)
Built 1915 by Boston Bridge Works; Closed to traffic 1980
Pratt through truss bridge over Androscoggin River in Berlin
Open to pedestrians only

Black Hill Road Bridge (Rockingham County, New Hampshire)
Built 1930
Wooden bridge over Pawtuckaway River on Black Hill Road in Epping
Closed

Blacksmith Shop Covered Bridge 29-10-01 (Sullivan County, New Hampshire)
Built 1881; rehabilitated 1963
Multiple Kingspost through truss covered bridge over Mill Brook next to Town House Road in Cornish
Open to pedestrians

Blair Covered Bridge 29-05-09 (Grafton County, New Hampshire)
Built 1869; Restored 1977 & 2013/14
Covered bridge over Pemigewasset River on Blair Road in Campton
Open to traffic

Blaisdell Road Bridge (Sullivan County, New Hampshire)
Built 1920; rehabilitated 1991
Wooden bridge over an unnamed brook on Blaisdell Road in Newport
Open to traffic

Blake Hill Road Bridge (Belknap County, New Hampshire)
Built 1920; rehabilitated 1990
Wooden bridge over Prescott Brook on Blake Hill Road in New Hampton
Open to traffic

Blood Brook Bridge (Hillsborough County, New Hampshire)
Built 1927
Stone arch bridge over Blood Brook on NH 101 in Temple
Open to traffic

Blow-Me-Down Covered Bridge 29-10-10 (Sullivan County, New Hampshire)
Built 1877 by James Tasker; rehabilitated 2002
Covered multiple Kingspost through truss bridge over Blow-Me-Down Brook on Lang Road in Cornish
Open to traffic

BM - Alcott Trestle (Hillsborough County, New Hampshire)
Lost Warren deck truss with alternating verticals bridge on B&M Keene Branch
Removed but not replaced

BM - Bearcamp River Bridge (Carroll County, New Hampshire)
Abandoned 1972
Baltimore through truss bridge over Bearcamp River on B&M Conway Branch
Open to pedestrians only

BM - Connecticut River Bridge (Cheshire County, New Hampshire)
Built 1927; Closed 1970; Removed ca. 1982
Lost Bridge over Connecticut River on Former Boston and Maine Railroad
Removed but not replaced

BM - Connecticut River Bridge (Windham County, Vermont)
Built 1882; Replaced 1930
Lost Lattice through truss bridge over Connecticut River on Boston & Maine Railroad
Replaced by a new bridge

BM - Contoocook River Bridge (Hillsborough County, New Hampshire)
Built 1930
Steel stringer bridge over Antrim Road on Boston & Maine Railroad in Bennington
Derelict/abandoned

BM - Goffstown Covered Bridge (Hillsborough County, New Hampshire)
Built 1901, Burned 1976
Lost Through truss bridge over Piscataquog River on Boston & Maine Railroad
Destroyed by fire

BM - Great Trestle (Hillsborough County, New Hampshire)
Built 1908; Removed 1984
Lost Deck plate girder bridge over Souhegan River and NH-31 on B&M Greenville Branch
Removed but not replaced

BM - Hillsborough Covered Bridge (Hillsborough County, New Hampshire)
Built 1903; Pier washed out 1938; Abandoned 1979; Destroyed 1985.
Lost Town lattice truss bridge over Contoocook River on Boston & Maine RR
Destroyed by arsonists in 1985

BM - Marlborough Trestle (Cheshire County, New Hampshire)
Built 1884
Lost Warren deck truss with alternating verticals bridge over Minnewawa Brook Tributary on B&M Keene Branch
Removed but not replaced

BM - Merrimack River Bridge (Hillsborough County, New Hampshire)
Lost Warren through truss with sub-panels bridge over Merrimack River on B&M WN&P Division
Removed but not replaced

BM - Souhegan River Covered Deck Truss (Hillsborough County, New Hampshire)
Built 1851; Burned 1907; Replaced 1908
Lost Deck truss bridge over Souhegan River on Boston & Maine railroad
Destroyed by fire

BM - Suncook Loop Covered Bridge (E) (Merrimack County, New Hampshire)
Built 1889; Closed 1935; Destroyed by Flooding 1936
Lost Through truss bridge over Merrimack River on Boston & Maine Railroad
Destroyed by flooding

BM - Suncook Loop Covered Bridge (W) (Merrimack County, New Hampshire)
Built 1889; Closed 1935; Destroyed by Flooding 1936
Lost Through truss bridge over Merrimack River on Boston & Maine Railroad
Destroyed by flooding

BM - Winnipesaukee River Bridge (Merrimack County, New Hampshire)
Abandoned timber stringer bridge over Winnipesaukee River and Winnipesakeee River Trail on Boston & Maine Railroad
Derelict/abandoned

BMRR Bridge (Rockingham County, New Hampshire)
Built 1926; replaced 2006
Lost wooden bridge over BMRR on NH 27 in Hampton
Replaced by a new bridge

BMRR Bridge (Rockingham County, New Hampshire)
Built 1930
Wooden bridge over BMRR on New Road in Newfields
Open to traffic

Bobby Woodman Trail - Sugar River Bridge (Sullivan County, New Hampshire)
Pratt through truss bridge over Sugar River on the Bobby Woodman Trail
Open to pedestrians

Boglie Brook Bridge (Hillsborough County, New Hampshire)
Built 1901; rehabilitated 1980
Stone arch bridge over Boglie Brook on NH 136 in Peterborough
Open to traffic

Borough Road Bridge (Merrimack County, New Hampshire)
Built 1930
Concrete arch bridge over Smith River on Borough Road in Hill
Replaced by a new bridge

Boston & Maine Railroad Bridge 118.46 US-4 Bridge (Grafton County, New Hampshire)
Built 1941
1941 Concrete culvert bridge over B&MRR/Trail on US-4
Open to traffic

Brackett Brook Bridge (Grafton County, New Hampshire)
Built 1929; rehabilitated 1980
Concrete arch bridge over Brackett Brook on NH 25A in Orford
Open to traffic

Brattleboro-Chesterfield Suspension Bridge (Old) (Cheshire County, New Hampshire)
Built 1889 by Berlin Iron Bridge Co.; Destroyed by flooding 1936; divers located bridge 2012
Lost Suspension bridge over Connecticut River
Destroyed by flooding; Bridge is still underwater

Bridge Street Androscoggin River (Replacement) (Coos County, New Hampshire)
Bridge
Open to traffic

Bridge Street Bridge (Belknap County, New Hampshire)
Built 1940
Wooden bridge over New England Southern Railroad on Bridge Street in Laconia
Replaced by a new bridge

Bridge Street-Androscoggin River (Old) (Coos County, New Hampshire)
Lost Pratt through truss bridge over Androscoggin River on Bridge Street
Replaced by a new bridge

Brook Road Bridge (Belknap County, New Hampshire)
Built 1920
Wooden bridge over Blake Brook on Brook Road in New Hampton
Open to traffic

Brook Road Bridge (Grafton County, New Hampshire)
Built 1928
Concrete arch bridge over Mill Brook on Brook Road in Landaff
Open to traffic

Brook Road Bridge (Grafton County, New Hampshire)
Built 1928
Concrete arch bridge over Mill Brook on Brook Road in Landaff
Open to traffic

Brook Road Bridge (Grafton County, New Hampshire)
Built 1928
Concrete arch bridge over Mill Brook on Brook Road in Landaff
Open to traffic

Brundage Bridge 29-05-B (Grafton County, New Hampshire)
Built in 1957 by William Cady for Charles Brundage to provide access to his land across Mill Brook.
Town lattice truss bridge over Mill Brook
Open to pedestrians only

Bump's Intervale Bridge 29-05-08 #2 (Grafton County, New Hampshire)
Built 1877; reconstructed 1972
Covered bridge over Beebe River on Bump's Intervale in Campton
Open to traffic