St. Lawrence County

St. Lawrence County At-A-Glance

Established: 1802
Population: 111,944 (2010), 108,505 (2020)
County Seat: Canton
Cities: Ogdensburg
Villages: Canton, Edwards, Gouverneur, Hammond, Hermon, Heuvelton, Massena, Morristown, Norwood, Potsdam, Rensselaer Falls, Richville, Waddington
Towns: Brasher, Canton, Clare, Clifton, Colton, DeKalb, DePeyster, Edwards, Fine, Fowler, Gouverneur, Hammond, Hermon, Hopkinton, Lawrence, Lisbon, Louisville, Macomb, Madrid, Massena, Morristown, Norfolk, Oswegatchie, Parishville, Piercefield, Pierrepont, Pitcairn, Potsdam, Rossie, Russell, Stockholm, Waddington
Bordering Counties: Franklin, Hamilton, Herkimer, Jefferson, Lewis
NYSDOT Region Code: 75
Designated Market Area: Watertown
Area Codes: 315, 518, 680
St. Lawrence County Official Website

State Routes

Interstate United States New York
None


Reference Routes

Route Name Southern/Western
Terminus		 Northern/Eastern
Terminus		 Length Notes
970B Main St.
(Massena)		 0.14 miles
(0.23 km)		 Former northern extension of NY 420
970C Andrews St. Main St. 0.14 miles
(0.23 km)		 Part of former US 20/NY 5 alignment
970E State St. 0.18 miles
(0.29 km)
970E State St.
(Ogdensburg)		 0.18 miles
(0.29 km)
971A Ford St.
(Ogdensburg)		 Greene St. / Proctor St. 0.56 miles
(0.90 km)		 Former NY 37 alignment
971D Mountain Camp Rd. Dead End at Warren Point 0.58 miles
(0.93 km)		 Former NY 421 alignment
971G Rooseveltown Traffic Circle St. Lawrence CR 45 0.56 miles
(0.90 km)		 Dismantled, Replaced by Reference Route 972E
971J St. Lawrence CR 43
Townline Rd.		 St. Lawrence CR 43
Townline Rd.		 0.12 miles
(0.19 km)
971T Park St.
(Potsdam) 		0.06 miles
(0.10 km)
971U Maple St.
(Potsdam)		 0.43 miles
(0.69 km)
972E Seaway International Bridge Bridge to Canada 0.04 miles
(0.06 km)

County Routes


(Douglas Kerr, 05/30/2011)

St. Lawrence County posts the standard pentagonal reassurance markers along its routes. Odd numbered routes generally run north-south and increase south to north. Even numbered routes generally run east-west and increase west to east.

Route Name Southern/Western
Terminus		 Northern/Eastern
Terminus		 Length Notes
Webster Rd. St. Lawrence CR 6 1.65 miles
(2.66 km)
Potato Street Rd. 2.68 miles
(4.31 km)

South Segment		 Oxbow-Rossie-Hammond Rd. St. Lawrence CR 10 11.13 miles
(17.92 km)		 Formerly NY 185 (1930s-1980) from St. Lawrence CR 3 to NY 37

North Segment		 Old Oak Point Rd. St. Lawrence CR 6 Chippewa Creek Bridge 2.40 miles
(3.86 km)
Eel Weir Rd.
Moreland Rd.		 St. Lawrence CR 6 5.80 miles
(9.34 km)		 Discontinuous 0.51 miles at NY 812
Black Lake-Brier Hill Rd. St. Lawrence CR 6 2.34 miles
(3.77 km)
Hammond-Ogdensburg Rd. Jefferson County Line
(Jefferson CR 111)		 28.66 miles
(46.14 km)		 Discontinuous 0.38 miles through Village of Hammond
Macomb-Pope Mills Rd. St. Lawrence CR 10 4.33 miles
(6.97 km)
Rossie-Brassie Corners Rd. St. Lawrence CR 3 4.30 miles
(6.92 km)
Spragueville Rd. Jefferson County Line
(Jefferson CR 26)		 4.40 miles
(7.08 km)
Rossie-Heuvelton Rd. Jefferson County Line
(Jefferson CR 25)		 St. Lawrence CR 27 33.46 miles
(53.87 km)		 Discontinuous at NY 184 and Village of Heuvelton
Gouverneur-DePeyster Rd.
Rock Island Rd.		 Gouverneur Village Line
(Rock Island St.)		 St. Lawrence CR 10 14.90 miles
(23.99 km)
Oxbow-Gouverneur Rd. Jefferson County Line
(Jefferson CR 25)		 Gouverneur Village Line
(Johnstown St.)		 6.96 miles
(11.21 km)
Elm Grove Rd. Smalls Flat Rd. St. Lawrence CR 19 2.20 miles
(3.54 km)
Rensselaer Falls-Madrid Rd. 29.21 miles
(47.03 km)		 Discontinuous 0.57 miles through Village of Rensselaer Falls, 0.27 miles at NY 68, and 0.60 miles at NY 345
Formerly NY 186 (1931-82) from NY 812 to NY 68
Former NY 345 alignment from St. Lawrence CR 27 to NY 345
DeKalb Jct.-Rensselaer Falls Rd.
Rensselaer Falls-Heuvelton Rd.		 Heuvelton Village Line
(Rensselaer St.)		 9.63 miles
(15.50 km)		 Discontinuous 0.73 miles through Village of Rensselaer Falls
McAdoo Rd. St. Lawrence CR 15 2.96 miles
(4.77 km)
Degrasse-Depegder Rd. St. Lawrence CR 11 St. Lawrence CR 27 22.46 miles
(36.16 km)		 Discontinuous 0.14 miles at NY 812, 0.93 miles through Hamlet of Hermon, and 1.63 miles at St. Lawrence CR 24
Russell-DeKalb Jct. formerly
DeKalb Jct.-Richville Rd. St. Lawrence CR 20 St. Lawrence CR 19 3.73 miles
(6.01 km)
Red Rock Rd.
Elm Grove Rd.
Edwards-Kent Corners Rd.		 Trout Lake Rd. 12.80 miles
(20.61 km)
Richville-Hermon Rd. Richville Village Line
(Depot St.)		 Hermon Hamlet Line
(W. Main St.)		 8.65 miles
(13.93 km)
Hermon-Edwards Rd.
Hermon-Pyrites Rd.		 St. Lawrence CR 24 St. Lawrence CR 25 14.47 miles
(23.30 km)		 Discontinuous 0.71 miles through Hamlet of Hermon
Spragueville-Emeryville Rd. Jefferson County Line
(Carr Rd.)		 0.13 miles west of Oswegatchie River Bridge 8.71 miles
(14.02 km)
E. Pitcairn-S. Edwards Rd. 5.66 miles
(9.11 km)
Fine Rd. St. Lawrence CR 23 0.73 miles
(1.18 km)
Russell Tpke. Jefferson County Line
(Russell Tpke.)		 31.37 miles
(50.51 km)		 Discontinuous 3.78 miles at NY 58 and 0.70 miles through Hamlet of Edwards
Edwards (NY 58)-Russell formerly
Russell-Martin Corners Rd. St. Lawrence CR 24 St. Lawrence CR 27 10.04 miles
(16.16 km)
Pitcairn-Fowler Rd. 1.28 miles
(2.06 km)
Fine-Canton-Lisbon Rd. St. Lawrence CR 28 42.93 miles
(69.12 km)		 Discontinuous 1.59 miles through Village of Canton
Former NY 345 alignment from Canton to St. Lawrence CR 14
St. Lawrence CR 27 1.86 miles
(2.99 km)
Ogdensburg-Waddington Rd. 15.05 miles
(24.23 km)		 Formerly
Arnold Rd.
Wagner Rd.		 St. Lawrence CR 28 3.11 miles
(5.01 km)
Waterman Hill-Pierrepont Rd. St. Lawrence CR 27 St. Lawrence CR 24 4.23 miles
(6.81 km)
Lisbon-Madrid Rd. St. Lawrence CR 27 St. Lawrence CR 31 5.93 miles
(9.55 km)
Madrid-Chipman Rd. St. Lawrence CR 28 St. Lawrence CR 14 8.97 miles
(14.44 km)
Connie Woods Rd. St. Lawernce CR 31 4.20 miles
(6.76 km)
Chipman-Waddington Rd. St. Lawrence CR 31 5.03 miles
(8.10 km)
W. Potsdam Rd. St. Lawrence CR 14 6.57 miles
(10.58 km)
Crary Mills-Eben Rd.
Crary Mills-Norwood Rd.		 Norwood Village Line
(Ridge St.)		 15.01 miles
(24.17 km)		 Discontinuous 0.53 miles at US 11
Chase Mills Rd.
Thompson Ridge Rd.		 St. Lawrence CR 44 8.06 miles
(12.98 km)		 Discontinuous 0.71 miles at St. Lawrence CR 39
Massena-Helena Rd.
Helena-Bombay Rd.		 Massena Village Line
(S. Raquette St.)		 Franklin County Line
(Franklin CR 64)		 11.79 miles
(18.98 km)		 Discontinuous 0.70 miles at NY 37C
Norfolk-Brasher Rd.
Plum Brook Rd.		 St. Lawrence CR 53 13.83 miles
(22.27 km)		 West of Norfolk (NY 56) Formerly
W. Main St. St. Lawrence CR 38 0.47 miles
(0.76 km)
Louisville-Raymondville Rd. 4.90 miles
(7.89 km)
W. Hatfield Rd. Massena Village Line
(W. Hatfield St.)		 3.42 miles
(5.51 km)
Browning Rd. 2.15 miles
(3.46 km)
Massena-Massena Center Rd.
Shell Lock Rd.		 Massena Village Line
(Willow St.)		 Kinne Rd. 4.46 miles
(7.18 km)
Trippany Rd. Dead End at KOA 0.41 miles
(0.66 km)
Massena-Louisville Rd. 1.49 miles
(2.40 km)
Norfolk-Waddington Rd. St. Lawrence CR 38 Waddington Village Line
(Franklin Rd.)		 8.76 miles
(14.10 km)
Chevrolet Rd. Roosevelt Rd. Haverstock Rd. 1.39 miles
(2.24 km)
Massena-Raquette River Rd. 2.65 miles
(4.27 km)
Parishville-Southville Rd.
Southville-Holmes Hill Rd.		 17.76 miles
(28.59 km)		 Discontinuous 0.13 miles at NY 11B and 1.09 miles at US 11
Dry Bridge Rd.
Norwood-Knapp Station Rd.		 Norwood Village Line
(Morgan Rd.)		 St. Lawrence CR 47 3.14 miles
(5.06 km)
Yaleville Rd. Rauqette River Bridge 0.37 miles
(0.60 km)
Fort Jackson-Hopkinton Rd.
Brookdale Rd.		 St. Lawrence CR 38 16.84 miles
(27.11 km)		 Discontinuous 0.05 miles at NY 420 and 1.01 miles at NY 11C/NY 420
Brasher Falls-Deer River Rd. St. Lawrence CR 55 5.34 miles
(8.60 km)
Merchant Rd. St. Lawrence CR 49 St. Lawrence CR 54 3.87 miles
(6.23 km)
N. Lawrenceville-Moira Rd. Franklin County Line
(Franklin CR 6)		 2.95 miles
(4.75 km)
Brasher Falls-Helena Rd. St. Lawrence CR 55 9.76 miles
(15.71 km)
Stockholm-Lawrenceville Rd.
Willis Schoolhouse-Wagstaff Corners Rd.		 St. Lawrence CR 49 5.50 miles
(8.86 km)
Nicholville-Helena Rd. St. Lawrence CR 53 14.32 miles
(23.06 km)		 Discontinuous 2.10 miles at NY 11C
South of US 11/NY 11C Formerly
Allens Falls Rd. St. Lawrence CR 47 6.05 miles
(9.74 km)
West Stockholm Rd. St. Regis River Bridge 0.73 miles
(1.18 km)
Colton-Parishville Rd. 7.67 miles
(12.35 km)
W. Hannawa Rd. Potsdam Village Line
(Clarkson Ave.)		 3.57 miles
(5.75 km)
Oswegatchie-Newton Falls Rd. 7.54 miles
(12.14 km)
Wanakena Rd.
2nd St.		 Front St. 1.13 miles
(1.82 km)
Conifer Rd. Main St. 2.39 miles
(3.85 km)

Some information on this page comes from Nathan Perry's Empire State Roads and J.P. Wing's Upstate New York Roads.

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