Tennessee Tombigbee Waterway · TT-41
Howell Heflin Lock and Dam
Wait-time history, barge traffic and lock information for Howell Heflin Lock and Dam on the Tennessee Tombigbee Waterway. Includes data coverage and source definitions.
- Waterway
- Tennessee Tombigbee Waterway
- Location
- Gainesville, AL
- River mile
- 266.1
- Chamber length (ft)
- 600.0
- Chamber width (ft)
- 110.0
- Opened
- 1978.0
Recorded traffic and wait times
| Lock | Waterway | Lockages | Barges | Median commercial wait |
|---|---|---|---|---|
| Howell Heflin Lock and Dam (TT-41) | Tennessee Tombigbee Waterway | 59 | 176 | 0.25 h |
90th-percentile commercial wait: 1.37 hours. Commercial lockages recorded: 39.
Recorded arrivals: 2026-09-04T14:30 to 2026-10-03T18:20 (CST, as reported).
No live status available for this lock.
Page data built 2026-10-05T14:17:12Z. Wait means arrival to start of lockage. Recent completed passages may understate delays while other tows remain waiting. See definitions and limitations.