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FACT SHEET-Hudson River, New York Operations & Routine Maintenance of Troy Lock & Dam

O&C - Operations and Routine Maintenance of Troy Lock & Dam

U.S. Army Corps of Engineers, New York District
Published Feb. 9, 2023

DESCRIPTION:  A channel 600 ft. wide, New York City to Kingston, thence 400 ft. wide to 2,200 ft. south of the Mall (Dunn) Bridge at Albany and anchorages near Hudson and Stuyvesant, all with depths of 32 ft. in soft material and 34 ft. in rock; thence 27 ft. deep and 400 ft. wide, 900 ft. south of the Mall (Dunn) Bridge: thence 14 ft. deep and generally 400 ft. wide, to the Federal Lock at Troy; and thence 14 ft. deep, 200 ft. wide, to the southern limit of the State Barge Canal at Waterford: with widening at bends and widenings in front of the cities of Troy and Albany to form harbors 12 ft. deep. Length - N.Y.C. to Waterford about 155 miles. The project included removal of the State Dam at Troy and the construction of a new lock and dam at Troy, about 2.5 miles below Waterford. The project construction is complete.

AUTHORIZATION:  House Document 719, 81st Congress, 2nd Session (Jun 1910) and modified by House Document 350, 88th Cong., 1st Session (Mar 1925); House Document 210, 70th Cong., 1st Session (Jul 1930); SD 155, 72nd Cong., 2nd Session (Aug 1935); House Document 572, 75th Cong., 3rd Session (Jun 1930); and PL 780, 83rd Cong., 2nd Session (Sep 1954).   

BACKGROUND:  The Lock’s four miter gates were replaced during Winter 2017-2018 lock closure. Adjustments to the gates occurred during Winter 2018-2019. There is a Periodic Inspection of the Lock and Dam conducted every 5 years, with the last inspection completed in FY 2019. Suggested repairs to the steel lock filters are currently underway and will be completed in FY 2024. The Lock’s three pedestrian bridges were inspected in FY 2021 and the findings deemed them satisfactory. The Lock’s upstream and downstream cofferdams and the downstream vessel mooring structure were inspected in FY 2022 and final report is pending.

STATUS:  FY2023 funding will be used to perform ongoing routine operations & maintenance activities at the Troy Lock, develop specifications for repair and award contracts for repairs of the downstream vessel mooring structure, award contracts for repairs to the Lock concrete bulkhead recesses and steel lock filters, and replacement on the automatic transfer switch to the emergency generator.




Laura Lozon,

Project Engineer

Phone: (518) 273-0870

Email: Laura.P.Lozon@usace.army.mil

U.S. Army Corps of Engineers, New York District,

Albany Field Office

1 Bond Street

Troy, NY 12180


Congressional Districts: NY #19, 20 and 21