Table 1-24
U.S. Locks Annual Average Delay (hrs)-Top 20 Locations, 1998-1999
| River | Lock | Chamber | 1998 | 1999 |
|---|---|---|---|---|
| Ohio | McAlpine | Aux 1 | NA | 36.4 |
| Tennessee | Guntersville | Aux | NA | 14.9 |
| Ohio | Greenup | Aux 1 | 10 | 8.6 |
| Mississippi | Melvin Price | Aux | NA | 7.7 |
| Ohio | Cannelton | Aux | NA | 7.7 |
| GIWW | Inner Harbor navigation channel | Main | 12 | 6.4 |
| Mississippi | 27 | Aux 1 | 2 | 5.5 |
| GIWW Port Allen-Morgan cty Alt. Rte | Bayou Sorrel | Main | 11 | 4.7 |
| Ohio | 52 | Main | 2 | 4.4 |
| GIWW Algiers Canal | Algiers | Main | 4 | 4.3 |
| Tennessee | Kentucky | Main | 5 | 4.3 |
| Mississippi | 14 | Main | 3 | 3.9 |
| Mississippi | 22 | Main | 3 | 3.8 |
| Mississippi | 25 | Main | 5 | 3.8 |
| Mississippi | 24 | Main | 5 | 2.9 |
| Illinois | LaGrange | Main | 2 | 2.8 |
| Ohio | 52 | Aux 1 | 3 | 2.7 |
| Mississippi | 15 | Main | 2 | 2.7 |
| GIWW Port Allen-Morgan cty Alt. Rte | Port Allen | MAIN | 2 | 2.7 |
| Ohio | Markland | Aux 1 | NA | 2.4 |
KEY: NA = less than 1 hour.
SOURCE: U.S. Army Corps of Engineers, Navigation Data Center, Lock Performance Monitoring System, Average Delay at Locks with Greater Than 1 Hour Average Delay, 1998-1999, available at E:\ndc\lpms.htm as of Apr. 23, 2001.