Mississippi has 8 navigation dams, of which 1 carry a high hazard classification. 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 | Jamie L. Whitten Lock and Dam | Tishomingo | 120 | High | Not assessed | 1983 |
| 2 | John C. Stennis Lock and Dam | Lowndes | 82 | Significant | Not assessed | 1980 |
| 3 | Aberdeen Lock and Dam | Monroe | 66 | Significant | Not assessed | 1984 |
| 4 | Fulton Lock and Dam - Ring Dike | Itawamba | 58 | Significant | Not assessed | 1983 |
| 5 | Glover Wilkins Lock and Dam | Monroe | 55 | Significant | Not assessed | 1983 |
| 6 | G.v. "sonny" Montgomery Lock and Dam | Itawamba | 54 | Significant | Not assessed | 1984 |
| 7 | John Rankin Lock and Dam - Right Canal Embankment | Itawamba | 48 | Significant | Not assessed | 1984 |
| 8 | Thad Cochran Lock and Dam | Monroe | 46 | Significant | Not assessed | 1982 |