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Table 1-3 Selected Inland Waterway Lock Characteristics: 2013


Excel

River River Mile a Lock Chamber Name Length, feet Width, feet Age, years Tons in 2013, million b Avg. Delay per Tow, hr b Outages in 2013 b
Number Hours Avg. hr. per outage
Ohio 6.2 Emsworth Lock & Dam Aux. 360 56 93          
Ohio 6.2 Emsworth Lock & Dam 600 110 93 19.6 3.02 54 1,048 19.41
Ohio 846 John T. Myers Lock & Dam Aux. 600 110 39          
Ohio 846 John T. Myers Lock & Dam 1,200 110 39 60.7 0.65 99 70 0.71
Ohio 938.9 Lock & Dam 52 Aux. 600 110 86          
Ohio 938.9 Lock & Dam 52 1,200 110 45 84.0 8.61 44 999 22.70
Mississippi 200.8 Melvin Price Lock & Dam Aux. 600 110 20          
Mississippi 200.8 Melvin Price Lock & Dam 1,200 110 24 40.1 0.99 6 14 2.33
Mississippi 185.5 Chain of Rocks L/D 27 Aux. 600 110 61          
Mississippi 185.5 Chain of Rocks L/D 27 1,200 110 61 49.8 6.24 4 73 18.25
GIWW East 7 Inner Harbor Navigation Canal Lock 640 75 91 15.7 12.42 29 93 3.21
Columbia 292 McNary Lock & Dam 675 86 61 6.1 0.17 0 0 N/A

a Miles from the 0.0 milepoint reference location, usually at the mouth of the river, except on the Ohio River where mile 0.0 is at the source of the river at Pittsburgh, PA.

b Includes all lock chambers at sites with more than one chamber.

KEY: Aux = Auxiliary; GIWW = Gulf Intracoastal Waterway; L/D = Lock & Dam; N/A = Not Applicable.

SOURCES: U.S. Army Corps of Engineers, Institute for Water Resources, Navigation Data Center, Locks by Waterway, Tons Locked by Commodity Group, CY 1993 - 2013. Available at http://www.navigationdatacenter.us/lpms/cy2013comweb.htm as of June 2015. U.S. Army Corps of Engineers, Institute for Water Resources, Navigation Data Center, Locks by Waterway, Lock Usage, CY 1993 - 2013. Available at http://www.navigationdatacenter.us/lpms/lock2013web.htm as of June 2015. U.S. Army Corps of Engineers, Institute for Water Resources, Navigation Data Center. Locks by Waterway, Lock Unavailability, CY 1993 - 2013. Available at http://www.navigationdatacenter.us/lpms/data/lock2013webunavail-021914.htm as of June 2015. U.S. Army Corps of Engineers, Institute for Water Resources, Navigation Data Center, Lock Characteristics General Report. Available at http://www.navigationdatacenter.us/lpms/pdf/lkgenrl.pdf as of June 2015.

Updated: Saturday, May 20, 2017