Arkansas has 16 navigation dams. The dam maintains water levels sufficient for boat and barge traffic, supporting commercial or recreational navigation on the waterway.
| # | Dam | County | Height (ft) | Hazard | Condition | Year |
|---|---|---|---|---|---|---|
| 1 | Felsenthal Lock and Dam | Union | 105 | Significant | Not assessed | 1978 |
| 2 | Ozark-jetta Taylor Lock and Dam | Franklin | 100 | Significant | Not assessed | 1969 |
| 3 | H.k. Thatcher Lock and Dam | Union | 80 | Significant | Not assessed | 1983 |
| 4 | Murray Lock and Dam | Pulaski | 77 | Significant | Not assessed | 1969 |
| 5 | Wilbur D. Mills Lock and Dam | Arkansas | 68 | Significant | Not assessed | 1967 |
| 6 | Col. Charles D. Maynard Lock and Dam | Jefferson | 61 | Significant | Not assessed | 1968 |
| 7 | Toad Suck Ferry Lock and Dam | Faulkner | 58 | Significant | Not assessed | 1969 |
| 8 | Arthur V. Ormond Lock and Dam | Conway | 57 | Significant | Not assessed | 1969 |
| 9 | Montgomery Point Lock and Dam | Desha | 55 | Significant | Not assessed | 2004 |
| 10 | David D. Terry Lock and Dam | Pulaski | 51 | Significant | Not assessed | 1968 |
| 11 | James W. Trimble Lock and Dam | Sebastian | 51 | Significant | Not assessed | 1969 |
| 12 | Emmett Sanders Lock and Dam | Jefferson | 46 | Significant | Not assessed | 1968 |
| 13 | Joe Hardin Lock and Dam | Jefferson | 45 | Significant | Not assessed | 1968 |
| 14 | Lock and Dam No 6 | Union | 26 | Low | Not assessed | 1913 |
| 15 | Lock and Dam No 8 | Union | 25 | Low | Not assessed | 1911 |
| 16 | Norrell Lock and Dam | Arkansas | 7 | Significant | Not assessed | 1967 |