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Drawings & Resources
U.S. Locks


This LEFT column contains an alphabetical listing of locks on
rivers with names Alabama through Monongahela.
Select a river below to jump to the information:


This RIGHT column contains an alphabetical listing of locks on rivers with names Morgan City through Willamette.
Select a river below to jump to the information:
 

ALABAMA RIVER
(mile 0 - Junction of Mobile and Tombigbee Rivers)
Lock
Mile
Size
Claiborne
72.5
600' x 84'
Millers Ferry
133.0
600' x 84'
Robert F. Henry
236.2
600' x 84'
[back to top]
ALLEGHENY RIVER
(mile 0 - The Point Pittsburgh, PA)
Lock
Mile
Size
2
6.7
360' x 56'
3
14.5
360' x 56'
4
24.2
360' x 56'
5
 30.4 360' x 56'
6
 36.3 360' x 56'
7
 45.7 360' x 56'
8
 52.6 360' x 56'
9
 62.2 360' x 56'
[back to top]
APALACHICOLA - CHATTAHOOCHEE - FLINT RIVERS
 (mile 0 -Mouth of Apalachicola River)
Lock
Mile
Size
George Andrews
46.5
450’ x 82’
Walter F. George
75.0
450’ x 82’
Jim Woodruff
107.6
450’ x 82’
[back to top]
ARKANSAS RIVER:(McClellan-Kerr Arkansas River System)
(mile 0 - Junction of White River with Mississippi River)
Lock
Mile
Size
Norrell
10.3
600’ x 110’
2
13.2
600’ x 110’
Joe Hardin
50.2
600’ x 110’
Emmett Sanders
 66.0 600’ x 110’
5
 86.3 600’ x 110’
David D. Terry
 108.1 600’ x 110’
Murray
125.4 600’ x 110’
Toad Suck Ferry
155.9 600’ x 110’
Arthur V. Ormond
176.9 600’ x 110’
Dardanelle
 205.5 600’ x 110’
Ozark - Jeta Taylor
256.8 600’ x 110’
13
292.8 600’ x 110’
W. D. Mayo
 319.6 600’ x 110’
Robert S. Kerr
 336.1 600’ x 110’
Webbers Falls
 368.9 600’ x 110’
[back to top]
ATLANTIC INTRACOASTAL WATERWAY
(mile 0 - Foot of W. Main St. - Norfolk, VA; locks to connecting waterways)
Lock
Mile
Size
Great Bridge
Great Dismal Swamp Canal
11.5
600’ x 75’
Deep Creek
10.6
300' x 52'
South Mills
33.2
300' x 52'
Canaveral Barge Canal
 894 600' x 90'
[back to top]
BLACK ROCK WATERWAY
 (mile 0- Junction with Niagara River)
Lock
Mile
Size
Black Rock
0
625’ x 68’
[back to top]
CAPE FEAR RIVER
 (mile 0 - Point Peter at Intersection of Cape Fear and N.E. Cape Fear Rivers)
Lock
Mile
Size
1
39.0
200’ x 40’
2
71.5
200’ x 40’
William D. Husker
95.0
200’ x 40’
[back to top]
CHARLES RIVER
(mile 0- River Mouth at Boston Harbor)
Lock
Mile
Size
Charles River
0.55
300’ x 40’
200’ x 25’
200’ x 25’
[back to top]
CLINCH RIVER
 (mile 0- Junction with Tennessee River)
Lock
Mile
Size
Melton Hill
23.1
400’ x 75’
[back to top]
COLUMBIA RIVER
 (mile 0 - River Mouth)
Lock
Mile
Size
Bonneville
145.3
675’ x 86’
Dalles
190.1
650’ x 84’’
John Day
215.6
650’ x 84’
McNary
 292.9 650’ x 84
[back to top]
CONNECTICUT RIVER
(mile 0- River Mouth)
Lock
Mile
Size
Windsor
55.0
88’ x 19’
[back to top]
CROSS FLORIDA BARGE CANAL
 (mile 0 - Mouth of St. John’s River)
Lock
Mile
Size
Henry Holland Buckman
82.0
600’ x 84’
*Eureka
104.0
600’ x 84’
*R.N. Bert Dosh
120.0
600’ x 84’
*Dunnellon
147.0 600’ x 84’
Inglis
 160.0 600’ x 84’
[back to top]
CUMBERLAND RIVER
 (mile 0 - Junction with Ohio River)
Lock
Mile
Size
Barkley
30.6
800’ x 110’
Cheatham
148.7
800’ x 110’
Old Hickory
216.2
400’ x 84’
Cordell Hull
 313.5 400’ x 84’
[back to top]
FOX RIVER
(mile 0 - River Mouth)
Lock
Mile
Size
DePere
7.15
144’ x 35’
Little Kaukauna
13.12
144’ x 35’
Rapide Croche
19.16
144’ x 35’
Kaukauna Lock 5
 22.69 144’ x 35’
Kaukauna Lock 4
 23.04 144’ x 35’
Kaukauna Lock 3
23.22 144’ x 35’
Kaukauna Lock 2
 23.36 144’ x 35’
Kaukauna Lock 1
 23.57 144’ x 35’
Kaukauna Guard
 23.98 144’ x 35’
Combined
 25.40 144’ x 35’
Little Chute
 26.34 144’ x 35’
Little Chute Guard
 26.53 144’ x 35’
Cedars
27.32 144’ x 35’
Appleton Lock 4
 30.76 144’ x 35’
Appleton Lock 3
 31.31 144’ x 35’
Appleton Lock 2
 31.60 144’ x 35’
Appleton Lock 1
 31.96 144’ x 35’
Menasha
 37.05 144’ x 35’
[back to top]
GREEN RIVER
(mile 0 - Junction with Ohio River)
Lock
Mile
Size
1
9.10
600’ x 84’
2
63.10
600’ x 84’
3
108.50
137.5’ x 35.8’
[back to top]
GULF INTRACOASTAL WATERWAY
(mile 0 - Harvey Lock)
Lock
Mile
Size
Bayou Bienvenu Floodgate
15.2 EHL
56’W
Inner Harbor Navigational (Industrial)
6.1 EHL
640’ x 75’
Algiers
9.3 Miles East of 6.3 WHL
760' x75'
Harvey
 0.0 425' x75'
Bayou Boeuf
 93.3 WHL 1156' x 75'
Berwick
97.8 WHL 300' x 45'
Leland Bowman
 162.7 WHL 1160 x 110'
Calcasieu
 238.5 WHL 1180' x 75'
Brazos River Floodgate
 401.2WHL 75'W
Colorado River
 441.5WHL 750' x 75'
[back to top]
HUDSON RIVER
 (mile 0 - The Battery, N.Y.C.)
Lock
Mile
Size
Troy
153.9
492.5’ x 44.4’
[back to top]
ILLINOIS WATERWAY
(mile 0 -Grafton, IL)
Lock
Mile
Size
New La Grange
80.2
600' x 110'
Peoria
157.7
600' x 110'
Starved Rock
231.0
600' x 110'
Marseilles
 244.6 600' x 110'
Dresden Island
 271.5 600' x 110'
Brandon Road
 286.0 600' x 110'
Lockport
 291.0 600' x 110'
Thomas J. O'Brian
 326.3 1000' x 110'
Chicago Harbor 327.2 600' x 80'
[back to top]
KANAWHA RIVER
(mile 0 -Point Pleasant, WV)
Lock
Mile
Size
Winfield
31.1
800' x 110'
360' x 56'
360' x 56'
Marmet
 67.7 360' x 56'
  360' x 56'
London
 82.8 360' x 56'
[back to top]
KANAWHA SHIP CANAL
 (James River at Richmond, VA)
Lock
Mile
Size
Kanawha Ship Canal
0
156' x 35'
[back to top]
KASKASKIA RIVER
(mile 0 - Junction with Mississippi River )
Lock
Mile
Size
Kaskaskia
0.8
360' x 84'
[back to top]
KENTUCKY RIVER
(mile 0 -River Mouth)
Lock
Mile
Size
1
4.0
145' x 38'
2
31.0
145' x 38'
3
42.0
145' x 38'
4
 65.0 145' x 38'
5
 82.2 145' x 38'
6
 96.2 147' x 52'
7
 117.0 146' x 52'
8
 139.9 146' x 52'
9
 157.5 148' x 52'
10
 176.4 148' x 52'
11
 201.0 148' x 52'
12
 220.9 148' x 52'
13
 239.9 148' x 52'
14
 249.0 148' x 52'
[back to top]
LAKE HURON INLAND ROUTE
 (mile 0 - Mouth at Lake Huron)
Lock
Mile
Size
Cheboygan River
1.64
75' x 18'
Crooked River
33.36
60' x 16'
[back to top]
LAKE WASHINGTON SHIP CANAL
 (mile 0 - Mouth at Puget Sound)
Lock
Mile
Size
Hiram M. Chittenden
1.2
760' x 80'
123' x 28'
[back to top]
MISSISSIPPI RIVER, LOWER
 (mile 0 -Head of Passes; locks to connecting waterways)
Lock
Mile
Size
Ostrica
25.7 AHP
250' x 40'
Empire
29.5 AHP
200' x 40'
Algiers
88.0 AHP
760' x 75'
Inner Harbor Navigational Canal (Industrial Canal)
92.6 AHP 640' x 75'
Harvey Canal
 98.3 AHP 425' x 75'
Port Allen
 228.5 AHP 1202' x 84'
Old River
 304.0 AHP 1200' x 75'
[back to top]
MISSISSIPPI RIVER, UPPER
 (mile 0 -Cairo, IL)
Lock
Mile
Size
Upper St. Anthony Falls
853.7
400' x 56'
Lowerr St. Anthony Falls
853.4
400' x 56'
1
847.6
400' x 56'
2
 815.2 600' x 110'
3
 796.9 600' x 110'
4
 752.8 600' x 110'
5
 738.1 600' x 110'
5A
 728.5 600' x 110'
6
 714.3 600' x 110'
7
 702.5 600' x 110'
8
 679.2 600' x 110'
9
 647.9 600' x 110'
10
 615.1 600' x 110'
11
 583.0 600' x 110'
12
 556.7 600' x 110'
13
 522.5 600' x 110'
14
 493.3 600' x 110'
15
 482.9 600' x 110' LC
    360' x 110' RC
16 457.2 600' x 110'
17 437.1 600' x 110'
18 410.5 600' x 110'
19 364.2 1200' x 110'
20 343.2 600' x 110'
21 324.9 600' x 110'
22 301.2 600' x 110'
24 273.4 600' x 110'
25 241.4 600' x 110'
Melvin Price 200.8 1200' x 110'
    600' x 110'
27 185.1 1200' x 110' MAIN
    600' x 110' AUX
[back to top]
MONONGAHELA RIVER
 (mile 0 - The Point Pittsburgh, PA)
Lock
Mile
Size
2
11.2
720' x 110'