Columbia River · CO-24
McNary Lock and Dam
Wait-time history, barge traffic and lock information for McNary Lock and Dam on the Columbia River. Includes data coverage and source definitions.
- Waterway
- Columbia River
- Location
- PLYMOUTH, WA
- River mile
- 292.0
- Chamber length (ft)
- 675.0
- Chamber width (ft)
- 86.0
- Opened
- 1953.0
Recorded traffic and wait times
| Lock | Waterway | Lockages | Barges | Median commercial wait |
|---|---|---|---|---|
| McNary Lock and Dam (CO-24) | Columbia River | 173 | 307 | 0.08 h |
90th-percentile commercial wait: 0.08 hours. Commercial lockages recorded: 124.
Recorded arrivals: 2026-09-04T17:30 to 2026-10-04T10:40 (PST, 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.