Ash Street Bridge[Map · Street View] Lost steel rigid frame bridge over I-93 on Ash Street Replaced by a new bridge Built 1962; Demolished 2018 to make room for I-93 widening
Black Hill Road Bridge[Map] Wooden bridge over Pawtuckaway River on Black Hill Road in Epping Closed Built 1930
Calef Highway Bridge[Map] Bridge over Lamprey River on Calef Highway Removed but not replaced
Castle Hill Road Bridge[Map] Wooden bridge over Beaver Brook on Castle Hill Road in Pelham Destroyed by severe weather Built 1920; rehabilitated 1973; closed indefinitely after damage from flooding in 2006; collapsed under weight of a blizzard in 2017
Cedar Road Bridge[Map] Wooden bridge over BMRR on Cedar Road in North Hampton Open to traffic Built 1920; rehabilitated 2002
Clark Pond Footbridge[Map] Girder bridge over Clark Pond on Rockingham Recreational Trail Open to pedestrians Exact history unknown. Substructure definitely is original to the former railroad at this location, and the superstructure may be as well. Deck is not original
Coteville Road Bridge[Map] Abandoned timber stringer bridge over Derry Rail-Trail on Coteville Road Closed to all traffic with "Keep Off Bridge" signs posted Built 1942
Dover Point Toll Bridge[Map] Lost Warren truss swing bridge on US 4 and B&M RR over Great Bay Replaced by a new bridge Steel truss swing span added to existing trestle in 1915; highway moved to General Sullivan Bridge in 1934
Fremont Exeter River Bridge[Map] Pony/through girder bridge over Exeter River on Rockingham Recreational Trail Open to pedestrians and permitted motorized trail vehicles Appears to have been a former railroad bridge, but unknown whether it was relocated to serve the trail or if the trail was originally a railroad
Garden Road Bridge[Map] Concrete arch bridge over Little River on Garden Road in Plaistow Replaced by a new bridge Built 1930
General Sullivan Bridge[Map] Bypassed continuous truss bridge over Little Bay on former US 4 in Dover Intact but closed to all traffic Built 1934; rehabilitated 1950; bypassed in 1984; Closed 2018
Giles Road Bridge[Map] Wooden bridge over BMRR on Giles Road in East Kingston Open to traffic Built 1920; rehabilitated 1992
Governors Island Bridge (1920)[Map] Timber stringer bridge over Island Pond Inlet in Hampstead Closed to all traffic and gated with No Trespassing signs Built circa 1920
Lafayette Road Bridge[Map · Street View] Pony/through plate girder bridge over BMRR on Lafayette Road (US 1) Open to traffic Built 1936; rehabilitated 1977
Little Bay Bridge[Map] Steel stringer bridge over Little Bay Inlet (Piscataqua River) on Spaulding Turnpike Open to traffic Built 1966 as replacement for General Sullivan Bridge; extensively rehabiliated and rebuilt 2018
Little River Bridge[Map · Street View] Concrete arch bridge over Little River on NH 121A in Plaistow Open to traffic Built 1900; rehabilitated 1969
Main Street Bridge[Map] Lost Lenticular pony truss bridge over Lamprey River on N Main Street Replaced by a new bridge
Mallard Road Bridges[Map] Concrete rigid frame bridge over Mallard Road on Windham Rail-Trail & Concrete slab bridge over Flatrock Brook on Mallard Road Open to traffic
Memorial Bridge (1923)[Map] Lost vertical lift bridge over Piscataqua River on US 1 in Portsmouth Demolished. Built 1923, rehabilitated 1982, closed to vehicle traffic in 2011
Mile Long Bridge[Map] Lost Timber stringer bridge over Hampton River on Exeter Street Rwy and Ocean Blvd Replaced by a new bridge
Moeckel Road Bridge[Map] Wooden bridge over Golden Brook on Moeckel Road on the Pelham/Windham Town Line Technically closed to all traffic but accessible by pedestrians Built 1920; rehabilitated 1982; closed following flood damage 2006
New Market Bridge[Map] Lost Bridge over Squamscott River on New Hampshire Route 108 No longer exists Built between 1773 and 1884, Replaced 1926
NH-111 Flatrock Brook Bridge[Map] Steel stringer bridge over Flatrock Brook & Harris Road on New Hampshire Route 111 Open to traffic Built 2007 as part of Shadow Lake Bypass project
NH-121 High Rise Bridge[Map] Steel stringer bridge over Little River & Railroad on New Hampshire Route 121 Open to traffic Built 2006
NH-125 High Rise Bridge[Map] Steel stringer bridge over AMTRAK & abandoned Pan Am/CSX Railroad on New Hampshire Route 125 Open to traffic Built 1992
North River Bridge[Map · Street View] Lost wooden bridge over North River on North River Road (old alignment) Destroyed by ice storm in 1998 Built 1912; bypassed and abandoned 1964; destroyed by ice storm 1998
Park Street Bridge[Map · Street View] Pony truss bridge over BMRR on Park Street in Exeter Open to one-way traffic Built 1900; rehabilitated 1929
Phillips Exeter Bridge[Map] Closed-spandrel arch bridge over Squamscott River on Gilman Street Open to pedestrians only Built 1914
Sandown-Danville Exeter River Bridge[Map] Girder bridge over Exeter River on Rockingham Recreational Trail Open to pedestrians and permitted motorized trail vehicles
Sarah Mildred Long Bridge (1940)[Map · Street View] Vertical lift bridge over Piscataqua River on US 1 Bypass in Portsmouth Replaced by a new bridge Built 1940; rehabilitated 1991; railroad use discontinued Dec. 2015; replaced 2017-2018
String Bridge Street Bridge[Map] Concrete rigid frame bridge over Squamscott River on String Bridge Street Open to traffic Built 1935; rehabilitated 2018
Sucker Brook Bridge[Map] Concrete arch bridge over Sucker Brook on NH 121 in Auburn Open to traffic Built 1930
Wentworth House Bridge[Map] Lost Timber stringer bridge over Piscataqua River on Wentworth Road Replaced by a new bridge
Westville Road Bridge[Map] Concrete arch bridge over Little River on Westville Road in Plaistow Open to traffic Built 1940; rehabilitated 1970
Wheeler Pond Bridge[Map] Closed-spandrel arch bridge over Wheeler Pond on Commerical Access Road Open to traffic Unknown
Windham Rail-Trail Bridge[Map] Warren pony truss with no verticals bridge over Tributary of Flatrock Brook on Windham Rail-Trail (former B&M Railroad) Open to pedestrians only Likely modern construction as part of rail-trail but parts may be original to railroad
Woodbury Avenue Bridge[Map] Concrete rigid frame bridge over US 1 Bypass on Woodbury Ave Open to traffic 1950 Concrete rigid frame