Coos County

NameLocationStatusDesignYear BuiltYear LostSpan Length (ft.)Total Length (ft.)
Ammonoosuc River BridgeOld Town Road over Ammonoosuc RiverReplaced by a new bridgePony truss1915200880.184.0
Beechers Falls BridgeBridge Street over Connecticut RiverOpen to trafficSteel arch1930--132.9232.0
Bell Hill Road (Old)Old alignment of Bell Hill Road over Upper Ammonoosuc RiverOpen to pedestrians only. Used for Snowmobiles in winterWarren pony truss with alternating verticals1909--75.182.0
Berlin Mills BridgePedestrian walkway over Androscoggin RiverOpen to pedestrians onlyPratt through truss1915--165.0423.9
BMS - Cross Power BridgeBerlin Mills Railway over Androscoggin RailwayClosedWhipple through truss1869--140.0280.0
BMS - Pulp Mill BridgeBerlin Mills Railway over Androscoggin RiverDerelict/abandonedPratt through truss1921----135.0
Bridge Street Androscoggin River (Replacement)Bridge Street over Androscoggin RiverOpen to trafficStringer1969--88.9274.0
Bridge Street-Androscoggin River (Old)Bridge Street over Androscoggin RiverReplaced by a new bridgePratt through truss--------
Clarksville Covered Bridge 29-04-03Bridge Road over Connecticut RiverOpen to pedestrians onlyPaddleford through truss1876--73.289.0
Clear Stream BridgeNH 26 over Clear StreamOpen to trafficDeck arch1929--15.115.1
Columbia Covered Bridge 45-05-02 / 29-04-07Columbia Bridge Road over Connecticut RiverOpen to trafficHowe through truss1912--132.9146.0
CSRX - Ammonoosuc River BridgeConway Scenic Railway (CSRX) over Ammonoosuc RiverOpen to trafficDouble-intersection Warren through truss1892------
Dead River BridgeNorthbound NH 16 over Dead RiverOpen to trafficDeck arch1931--13.113.1
Diamond Pond Road BridgeDiamond Pond Road over Mohawk RiverOpen to trafficDeck arch1929--69.969.9
Dry River Suspension BridgeDry River Trail over Dry RiverOpen to pedestrians onlyWire suspension2007----110.0
E Branch Mohawk River BridgeDiamond Pond Road over E Branch Mohawk RiverOpen to trafficConcrete tee beam1930--40.043.3
Errol Covered BridgeUpton Road over Bear BrookReplaced by a new bridgeTown lattice truss18601941----
Errol Covered Bridge (Clear Stream)Berlin Road over Bear BrookReplaced by a new bridgeTown lattice truss--1938----
Groveton Covered Bridge 29-04-04Bridge over Upper Ammonoosuc RiverOpen to pedestriansPaddleford through truss1852--126.0131.9
Happy Corner Covered Bridge 29-04-01Hill-Danforth Road over Perry StreamOpen to vehicles now.Paddleford through truss1869--55.178.1
Janice Peaslee BridgeMaidstone Bridge Road over Connecticut RiverOpen to trafficPratt through truss1893--149.6151.9
Jefferson Notch Road BridgeJefferson Notch Road over South Branch Israel RiverOpen to trafficTimber stringer1939--35.139.0
Jefferson Notch Road BridgeJefferson Notch Road over South Branch Israel RiverOpen to trafficTimber stringer1939--19.024.9
Jefferson Notch Road BridgeJefferson Notch Road over South Branch Israel RiverOpen to trafficTimber stringer1939--21.026.9
Jefferson Notch Road BridgeJefferson Notch Road over South Branch Israel RiverOpen to trafficTimber stringer1939--30.837.1
Jefferson Notch Road BridgeJefferson Notch Road over South Branch Israel RiverOpen to trafficTimber stringer1934--20.025.9
Lancaster BridgeUS 2 over Connecticut RiverOpen to trafficParker through truss1950--192.9403.9
Main Street BridgeUS Hwys. 2 & 3 /Main Street over Israel RiverReplaced by new bridgeLuten arch1929199050.0106.0
Mason Street Bridge (Old)Mason Street over Androscoggin RiverReplaced by a new bridgeThrough truss19071967----
Mason Street Bridge (older)Mason Street over Androscoggin RiverReplaced by a new bridgeLenticular through truss18921907--110.0
Meadow Road BridgeOld allignment of Meadow Road over Androscoggin RiverClosed to all trafficPratt through truss1897--130.9504.9
MEC - NH135 OverpassMain Central Railroad over Nh135Replaced by at-grade crossingSteel stringer1931c 199318.020.0
Mechanic Street Covered Bridge 29-04-06Mechanic Street over Israel RiverOpen to trafficPaddleford through truss1862--79.394.2
Mohawk River BridgeNH 26 over Mohawk RiverOpen to trafficDeck arch1929--48.948.9
Moose Brook BridgeFormer Boston & Maine/St. Lawrence & Atlantic over Moose BrookInstalled on Wiscasset, Waterville & Farmington Railway Museum's main line. In use by their equipment.Howe pony truss19182004--48.0
Moose Falls BridgeDaniel Webster Highway (US 3) over Connecticut RiverOpen to trafficConcrete culvert1961--24.024.0
Mount Washington Cog RailwayMount Washington Cog Railway over Ammonoosic River/Mount Washington/Several intermittent streamsOpen to trafficTimber stringer1868------
Mt. Orne Covered Bridge 45-05-03 / 29-04-08Mt. Orne Road over Connecticut RiverOpen to trafficHowe through truss1911--128.0266.1
Mt. Washington Auto Road BridgeMount Washington Auto Road over Peabody RiverOpen to trafficDeck plate girder--------
NHCR - Upper Ammonoosuc River BridgeNew Hampshire Central Railroad over Upper Ammonoosuc RiverOpen to trafficBaltimore through truss1883------
NHVT - Bog Brook ArchBoston & Maine Railroad over Bog BrookDerelict/abandonedStone arch1892------
Perry Stream BridgeRiver Road over Perry StreamOpen to trafficSteel stringer1984--45.949.9
PRRT - Androscoggin River BridgeBridge over Androscoggin River, NH16, & Railroad (SLR)Open to pedestrians onlyPratt deck truss--------
PRRT - BMS Railway OverpassPresidential Range Rail Trail (former Boston & Maine) over Berlin Mills RailwayOpen to pedestrians onlyPony/through plate girder1902------
PRRT - Snyder Brook BridgePresidential Valley Rail Trail (Former Boston & Maine Railroad) over Snyder BrookRestored 2015 and open to pedestrian trafficHowe pony truss1918----34.0
Pulp Mill BridgeBridge over Androscoggin RiverDerelict/abandonedWhipple through truss1868----160.0
Rail-Trail Connecticut River Bridgerailtrail (formerly MEC and NSRC railroads) over Connecticut RiverOpen to pedestriansBaltimore through truss1902------
Rattle Brook BridgeUS 2 over Rattle BrookOpen to trafficConcrete tee beam1924--14.117.1
River Road Covered Bridge 29-04-02River Road (bypassed section) over Perry StreamOpen to pedestrians onlyQueenpost through truss1858--45.950.9
Samuel Paine BridgeBridge over Androscoggin RiverReplaced by a new bridgePaddleford through truss18571916120.0240.0
Scott Brook Road BridgeScott Brook Road/East Inlet Road over Connecticut RiverOpen to authorized campground vehicles onlySteel stringer--------
SLR - NH110 OverpassSaint Lawrence & Atlantic Railroad over NH110Open to trafficSlab1937--44.949.9
SLR - Peabody River BridgeSt. Lawrence and Atlantic Railroad over Peabody RiverOpen to trafficWarren through truss--------
SLR - Stark BridgeSt Lawrence & Atlantic Railroad over Upper Ammonoosuc RiverOpen to trafficPratt through truss--------
Stark Covered Bridge 29-04-05North or Northside Road (off of SR 110) over Upper Ammonoosuc RiverOpen to trafficPaddleford through truss1862--61.5134.1
Stratford Bog Brook BridgeHollow Road over Stratford Bog BrookOpen to trafficConcrete tee beam1924--24.926.9
TSRD - Connecticut River BridgeTwin State Railroad over Connecticut RiverDerelict/abandonedWarren through truss with all verticals1928--120.0360.0
TSRD - Johns River Bridge (Dalton)Twin State Railroad over Johns RiverDerelict/abandonedDeck plate girder------60.0
TSRD - Johns River Bridge (Whitefield)Twin State Railroad over Johns RiverDerelict/abandonedPony/through plate girder--------
US 3 Connecticut River BridgeUS 3 over Connecticut RiverOpen to trafficPony/through plate girder1931--101.1221.1
Whitcomb Bridgeformer Gilman Road over Connecticut RiverIntact but closed to all trafficPratt deck truss1928--140.1546.9