Barnhart Island Road Bridge[Map] Through truss bridge over South Channel St. Lawrence River on Barnhart Island Road Open to traffic Built 1956; rehabilitated 1997
Bog River Bridge[Map] Concrete arch bridge with stone facing over Bog River on NY 421 Open to traffic Built 1925; rehabilitated 1997
Bridge Street Bridge[Map] Through truss bridge over Grasse River on Bridge Street Open to traffic Built 1907; rehabilitated 1971
Depot Street Bridge[Map · Street View] Warren Through truss bridge over Deer River on Depot Street 9CR 92A) Open to traffic Built 1931
Dry Bridge Road Bridge[Map] Wooden bridge over CSX Transportation on Dry Bridge Road in Norwood Open to traffic Built 1900; rehabilitated 1970
Elm Creek Bridge[Map] Lost through truss bridge over Elm Creek on East Dekalb Road in Hermon No longer exists Built 1884; rehabilitated 1946; replaced 2000
Falls Island Bridge[Map · Street View] Bowstring pony truss bridge over Grasse River on the Grasse River Heritage Trail Open to pedestrians Built 1870 by the King Bridge Co.; Rehabilitated for pedestrian use 2007
Falls Island Sluiceway Bridge[Map] Beam bridge over Abandonded Sluice on Pedestrian Path Open to pedestrians only Built circa 1900; Rehabilitated for pedestrian use 2007
Fraser Road Bridge[Map] Through truss bridge over Oswegatchie River on Fraser Road Open to traffic Built 1894
Gleason Road Bridge[Map] Pony truss bridge over North Branch Grasse River on Gleason Road Open to traffic Built 1909
Grantville Road Bridge[Map · Street View] Pin connected Lenticular Warren through truss bridge over Raquette River on Grantville Road Closed to all traffic Built 1886 by the Berlin Iron Bridge Co.; Rehabilitated 1931,1965; Closed 1979
Grass River Bridge[Map] Stone arch bridge over Grass River on CR 39 Open to traffic Built 1882; rehabilitated 1977
Grasse River Bridge[Map] Stone arch bridge over Grasse River on NY 345 Open to traffic Built 1882; rehabilitated 1973
Grasse River Bridge[Map] Concrete arch bridge over Grasse River on NY 970B in Massena Open to traffic Built 1917; rehabilitated 1970
Grasse River Bridge[Map] Lost through truss bridge over Grasse River on Alcoa Road in Massena No longer exists Built 1923; replaced 2002
Grasse River Bridge[Map] Concrete arch bridge over Grasse River on CR 44 Open to traffic Built 1880; rehabilitated 1960
Grasse River Bridge[Map] Through truss bridge over Grasse River Open to traffic Built 1929; rehabilitated 1999
Hall Road Bridge[Map] Lost truss bridge over Indian River on Hall Road No longer exists
Helena Bridge[Map] Pin connected Pratt through truss bridge over St. Regis River on CR 37 Closed to all traffic Built 1900 by Canton Bridge Co; Rehabilitated 1965; Closed c.2000
Hewittville Road Bridge[Map] Concrete arch bridge over Raquette River on Hewittville Road Open to traffic Built 1922; rehabilitated 1977
Island Branch Road Bridge[Map] Lost truss bridge over Oswegatchie River on Island Branch Road No longer exists Built 1954; replaced 2004
Jones Road Bridge #1[Map] Pony truss bridge over West Branch St. Regis River on Jones Road Open to traffic Built 1902
Jones Road Bridge #2[Map] Pony truss bridge over West Branch St. Regis River on Jones Road Open to traffic Built 1902
Kearney Road Bridge[Map] Lost truss bridge over Oswegatchie River on Kearney Road No longer exists
Keenan Road Bridge[Map] Steel arch bridge over Hunkins Marsh on Keenan Road Open to traffic Built 1902
Lafayette Spring Street Bridge[Map · Street View] Deck arch bridge over Oswegatchie River on Lafayette Spring Street in Ogdensburg Open to traffic Built 1916; rehabilitated 1994
Lafayette Spring Street Bridge (Old)[Map] Lost Through truss bridge over Oswagatchie River on Lafayette Spring Street Replaced by a new bridge Built 1874; Replaced 1914
Main Street Bridge[Map] Concrete arch bridge over Matoon Creek on Main Street Open to traffic Built 1920
MSTR - Grasse River Bridge[Map] Deck plate girder bridge over Grasse River on Massena Terminal Railroad Open to traffic Built 1945 by Bethlehem Steel Co.
MSTR - NY-37B Overpass[Map · Street View] Pony plate girder bridge over NY 37B on Massena Terminal Railroad Open to traffic Built 1945 by Bethlehem Steel Co.
Old State Road Bridge[Map] Open-spandrel arch bridge over Oswegatchie River on Old State Road Intact but closed to all traffic Built 1929
Oswegatchie Rive Bridge[Map] Lost pony truss bridge over Oswegatchie Rive on New Street in Edwards No longer exists Built 1914; rehabilitated 1960; replaced 2002
Oswegatchie River Bridge[Map · Street View] Concrete arch bridge over Oswegatchie River on NY 812 in Heuvelton Open to traffic Built 1917; rehabilitated 1968
Oswegatchie River Bridge[Map] Concrete arch bridge over Oswegatchie River on CR 27 Open to traffic Built 1930
Oswegatchie River Bridge[Map] Open-spandrel arch bridge over Oswegatchie River on CR 11 Open to traffic Built 1929; rehabilitated 2005
Oswegatchie River Bridge[Map] Lost Girder bridge over Oswegatchie River on Main Street Replaced by a new bridge
Oswegatchie River Bridge[Map] Pony truss bridge over Oswegatchie River on Columbian Road Open to pedestrians only Built 1903
Rainbow Falls Bridge[Map] Deck arch bridge over Rainbow Falls on Adirondack Park Trail Open to pedestrians only Built 1863
Raquette River Bridge[Map] Concrete arch bridge over Raquette River on NY 971U in Potsdam Open to traffic Built 1923; rehabilitated 1961
Raquette River Bridge[Map] Concrete arch bridge over Raquette River on NY 971U in Potsdam Open to traffic Built 1922; rehabilitated 1961
Raquette River Bridge[Map] Warren through truss bridge over Raquette River on NY 37C Open to traffic Built 1930 by American Bridge Co.; Rehabilitated 1985
Raquette River Bridge[Map · Street View] Through truss bridge over Raquette River on Rooseveltown Access Road Open to traffic Built 1934; rehabilitated 1965
Raquette River Bridge[Map] Concrete arch bridge over Raquette River on CR 38 in Norfolk Open to traffic Built 1918; rehabilitated 1979
Raquette River Bridge[Map] Lost Lenticular through truss bridge over Raquette River No longer exists Built 1887 by Berlin Iron Bridge Co.; Replaced 1911
Rensselaer Street Bridge[Map] Pony truss bridge over Oswegatchie River on Rensselaer Street in Rensselaer Falls Replaced by a new bridge Built 1930
Ridge-Spring Street Bridge[Map] Concrete arch bridge over Raquette River on Ridge-Spring Street in Norwood Open to traffic Built 1923; rehabilitated 1977
Seaway Skyway[Map · Street View] Suspension bridge over St. Lawrence River at Ogdensburg Open to traffic Built 1960
Skate Creek Resevoir Bridge[Map] Pony truss bridge over Skate Creek Resevoir on Griffin Road Closed to all traffic Built 1922; rehabilitated 1969
Spile Bridge[Map] Three-span bowstring through truss bridge over Black Lake Outlet on Spile Bridge Road Closed to traffic Built 1874 by the King Bridge Co.; later relocated here; closed to traffic May 12, 2010
St. Regis River Bridge[Map] Through truss bridge over St. Regis River on NY 11C in Brasher Falls-Winthrop Open to traffic Built 1933; rehabilitated 1994
Trout Brook Bridge[Map] Concrete arch bridge over Trout Brook on CR 34 (West Potsdam Road) Open to traffic Built 1925; rehabilitated 1981
Trout Brook Bridge[Map] Concrete arch bridge over Trout Brook on CR 35 Open to traffic Built 1921; rehabilitated 1950
Trout Brook Bridge[Map] Abandoned pony truss bridge over Trout Brook on Ekey Road Derelict/abandoned Built 1895
Welch Road Bridge[Map] Steel arch bridge over White Creek on Welch Road Open to traffic Built 1917
West Branch Oswegatchie Creek Bridge[Map] Lost through truss bridge over West Branch Oswegatchie Creek on NY 58 No longer exists Built ca. 1930; replaced 2001
Yaleville Road Bridge[Map] Pin connected Lenticular through truss bridge over Raquette River on Yaleville Road in Norfolk Open to traffic Built 1892 by Berlin Iron Bridge Co.; Rehabilitated 1969