Ouachita and Black Rivers · OB-02
Columbia Lock and Dam
Wait-time history, barge traffic and lock information for Columbia Lock and Dam on the Ouachita and Black Rivers. Includes data coverage and source definitions.
- Waterway
- Ouachita and Black Rivers
- Location
- Columbia, LA
- River mile
- 117.2
- Chamber length (ft)
- 600.0
- Chamber width (ft)
- 84.0
- Opened
- 1972.0
Recorded traffic and wait times
| Lock | Waterway | Lockages | Barges | Median commercial wait |
|---|---|---|---|---|
| Columbia Lock and Dam (OB-02) | Ouachita and Black Rivers | 32 | 74 | 0.02 h |
90th-percentile commercial wait: 0.15 hours. Commercial lockages recorded: 27.
Recorded arrivals: 2026-09-05T08:00 to 2026-10-02T17:34 (CST, as reported).
No live status available for this lock.
Page data built 2026-10-05T14:21:30Z. Wait means arrival to start of lockage. Recent completed passages may understate delays while other tows remain waiting. See definitions and limitations.