Table 4-3 Lock Characteristics and Delays on Rivers with 5,000 or More Lockages: 2000, 2010, and 2014
Total Lockages (2014) | Average Age of Locks (2014) | Percent Commercial Vessels (2014) | Average Delay in Minutes | Percent of Vessels Delayed | |||||
---|---|---|---|---|---|---|---|---|---|
2000 | 2010 | 2014 | 2000 | 2010 | 2014 | ||||
All Waterways | 611,125 | 59 | 61 | 64 | 80 | 121 | 35 | 36 | 49 |
Ohio River | 111,734 | 52 | 88 | 52 | 97 | 95 | 31 | 34 | 43 |
Mississippi River | 91,622 | 73 | 52 | 90 | 81 | 163 | 20 | 19 | 45 |
Gulf Intracoastal Waterway | 39,015 | 52 | 99 | 58 | 65 | 110 | 78 | 84 | 90 |
Illinois Waterway | 25,854 | 80 | 88 | 127 | 53 | 166 | 41 | 29 | 62 |
Monongahela River | 23,079 | 70 | 78 | 12 | 11 | 24 | 16 | 18 | 27 |
Arkansas River | 22,830 | 46 | 81 | 11 | 13 | 13 | 35 | 23 | 23 |
Tennessee River | 20,719 | 68 | 67 | 209 | 122 | 277 | 24 | 24 | 43 |
Tennessee Tombigbee Waterway | 18,636 | 32 | 46 | 9 | 3 | 11 | 38 | 10 | 14 |
Chicago River | 10,959 | 77 | 34 | 5 | 5 | 13 | 1 | 1 | 83 |
Allegheny River | 8,380 | 84 | 24 | 8 | 4 | 47 | 7 | 3 | 11 |
Columbia River | 8,075 | 47 | 92 | 32 | 30 | 22 | 85 | 90 | 84 |
Red River | 6,570 | 25 | 36 | 8 | 1 | 18 | 49 | 23 | 24 |
St. Mary's River | 6,051 | 79 | 88 | 27 | 16 | 31 | 26 | 19 | 41 |
Cumberland River | 5,536 | 54 | 59 | 16 | 18 | 113 | 13 | 12 | 30 |
NOTES: A lockage is the movement through the lock by a vessel or other matter. Commercial vessels include all vessels operated for purposes of profit and include freight and passenger vessels.
SOURCE: United States Army Corps of Engineers, Navigation Data Center, Lock Use, Performance, and Characteristics, (Alexandria, VA: annual issues). Available at www.navigationdatacenter.us/ as of October 2015.