Recorded chokepoint passages for Algoma Intrepid, newest first. The record, not the map: this feed carries passages already in the archive, which ends at December 2025. Vessel data derived from the Nationwide Automatic Identification System (NOAA Office for Coastal Management, marinecadastre.gov), CC0.https://freighterlog.com/vessels/algoma-intrepid/en-usVessel data derived from the Nationwide Automatic Identification System (NOAA Office for Coastal Management, marinecadastre.gov), CC0. Transit and lock data from the St. Lawrence Seaway Management Corporation / Saint Lawrence Seaway Development Corporation public vessel-transit table (seaway-greatlakes.com).Wed, 23 Sep 2026 18:23:30 GMThttps://freighterlog.com/log/welland/2025-12/freighterlog:passage:316043882:2025-12-31T22:31:56ZAlgoma Intrepid (Algoma Central) crossed Welland Canal (Thorold) downbound on 31 Dec 2025 17:31 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 31 Dec 2025 22:31:56 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:316043882:2025-12-30T21:07:53ZAlgoma Intrepid (Algoma Central) crossed Detroit River / Ambassador Bridge downbound on 30 Dec 2025 16:07 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Tue, 30 Dec 2025 21:07:53 GMThttps://freighterlog.com/log/port-huron/2025-12/freighterlog:passage:316043882:2025-12-30T15:44:26ZAlgoma Intrepid (Algoma Central) crossed Port Huron / Blue Water Bridge downbound on 30 Dec 2025 10:44 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Tue, 30 Dec 2025 15:44:26 GMThttps://freighterlog.com/log/soo/2025-12/freighterlog:passage:316043882:2025-12-28T02:00:18ZAlgoma Intrepid (Algoma Central) crossed Soo Locks (St. Marys River) downbound on 27 Dec 2025 21:00 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 28 Dec 2025 02:00:18 GMThttps://freighterlog.com/log/soo/2025-12/freighterlog:passage:316043882:2025-12-24T19:40:51ZAlgoma Intrepid (Algoma Central) crossed Soo Locks (St. Marys River) upbound on 24 Dec 2025 14:40 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 24 Dec 2025 19:40:51 GMThttps://freighterlog.com/log/port-huron/2025-12/freighterlog:passage:316043882:2025-12-21T01:15:15ZAlgoma Intrepid (Algoma Central) crossed Port Huron / Blue Water Bridge upbound on 20 Dec 2025 20:15 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 21 Dec 2025 01:15:15 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:316043882:2025-12-20T14:24:26ZAlgoma Intrepid (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 20 Dec 2025 09:24 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 20 Dec 2025 14:24:26 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:316043882:2025-12-17T19:51:47ZAlgoma Intrepid (Algoma Central) crossed Detroit River / Ambassador Bridge downbound on 17 Dec 2025 14:51 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 17 Dec 2025 19:51:47 GMThttps://freighterlog.com/log/port-huron/2025-12/freighterlog:passage:316043882:2025-12-17T14:23:43ZAlgoma Intrepid (Algoma Central) crossed Port Huron / Blue Water Bridge downbound on 17 Dec 2025 09:23 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 17 Dec 2025 14:23:43 GMThttps://freighterlog.com/log/soo/2025-12/freighterlog:passage:316043882:2025-12-16T07:37:54ZAlgoma Intrepid (Algoma Central) crossed Soo Locks (St. Marys River) downbound on 16 Dec 2025 02:37 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Tue, 16 Dec 2025 07:37:54 GMThttps://freighterlog.com/log/duluth-canal/2025-12/freighterlog:passage:316043882:2025-12-13T11:39:08ZAlgoma Intrepid (Algoma Central) crossed Duluth Ship Canal outbound on 13 Dec 2025 05:39 CST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 13 Dec 2025 11:39:08 GMThttps://freighterlog.com/log/duluth-canal/2025-12/freighterlog:passage:316043882:2025-12-11T16:25:40ZAlgoma Intrepid (Algoma Central) crossed Duluth Ship Canal inbound on 11 Dec 2025 10:25 CST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Thu, 11 Dec 2025 16:25:40 GMThttps://freighterlog.com/log/soo/2025-12/freighterlog:passage:316043882:2025-12-09T14:15:07ZAlgoma Intrepid (Algoma Central) crossed Soo Locks (St. Marys River) upbound on 9 Dec 2025 09:15 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Tue, 09 Dec 2025 14:15:07 GMThttps://freighterlog.com/log/port-huron/2025-12/freighterlog:passage:316043882:2025-12-07T13:52:02ZAlgoma Intrepid (Algoma Central) crossed Port Huron / Blue Water Bridge upbound on 7 Dec 2025 08:52 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 07 Dec 2025 13:52:02 GMThttps://freighterlog.com/log/port-huron/2025-12/freighterlog:passage:316043882:2025-12-06T18:28:32ZAlgoma Intrepid (Algoma Central) crossed Port Huron / Blue Water Bridge downbound on 6 Dec 2025 13:28 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 06 Dec 2025 18:28:32 GMThttps://freighterlog.com/log/port-huron/2025-11/freighterlog:passage:316043882:2025-11-29T01:37:04ZAlgoma Intrepid (Algoma Central) crossed Port Huron / Blue Water Bridge upbound on 28 Nov 2025 20:37 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 29 Nov 2025 01:37:04 GMThttps://freighterlog.com/log/detroit-river/2025-11/freighterlog:passage:316043882:2025-11-28T17:42:37ZAlgoma Intrepid (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 28 Nov 2025 12:42 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 28 Nov 2025 17:42:37 GMThttps://freighterlog.com/log/welland/2025-11/freighterlog:passage:316043882:2025-11-25T19:47:36ZAlgoma Intrepid (Algoma Central) crossed Welland Canal (Thorold) upbound on 25 Nov 2025 14:47 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Tue, 25 Nov 2025 19:47:36 GMThttps://freighterlog.com/log/welland/2025-11/freighterlog:passage:316043882:2025-11-24T17:51:25ZAlgoma Intrepid (Algoma Central) crossed Welland Canal (Thorold) downbound on 24 Nov 2025 12:51 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 24 Nov 2025 17:51:25 GMThttps://freighterlog.com/log/detroit-river/2025-11/freighterlog:passage:316043882:2025-11-23T19:34:25ZAlgoma Intrepid (Algoma Central) crossed Detroit River / Ambassador Bridge downbound on 23 Nov 2025 14:34 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 23 Nov 2025 19:34:25 GMThttps://freighterlog.com/log/port-huron/2025-11/freighterlog:passage:316043882:2025-11-23T14:00:23ZAlgoma Intrepid (Algoma Central) crossed Port Huron / Blue Water Bridge downbound on 23 Nov 2025 09:00 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 23 Nov 2025 14:00:23 GMThttps://freighterlog.com/log/mackinac/2025-11/freighterlog:passage:316043882:2025-11-22T20:28:55ZAlgoma Intrepid (Algoma Central) crossed Straits of Mackinac eastbound on 22 Nov 2025 15:28 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 22 Nov 2025 20:28:55 GMThttps://freighterlog.com/log/mackinac/2025-11/freighterlog:passage:316043882:2025-11-22T04:01:47ZAlgoma Intrepid (Algoma Central) crossed Straits of Mackinac westbound on 21 Nov 2025 23:01 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 22 Nov 2025 04:01:47 GMThttps://freighterlog.com/log/port-huron/2025-11/freighterlog:passage:316043882:2025-11-16T09:53:05ZAlgoma Intrepid (Algoma Central) crossed Port Huron / Blue Water Bridge upbound on 16 Nov 2025 04:53 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 16 Nov 2025 09:53:05 GMThttps://freighterlog.com/log/port-huron/2025-11/freighterlog:passage:316043882:2025-11-15T06:50:54ZAlgoma Intrepid (Algoma Central) crossed Port Huron / Blue Water Bridge downbound on 15 Nov 2025 01:50 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 15 Nov 2025 06:50:54 GMThttps://freighterlog.com/log/mackinac/2025-11/freighterlog:passage:316043882:2025-11-13T22:37:03ZAlgoma Intrepid (Algoma Central) crossed Straits of Mackinac eastbound on 13 Nov 2025 17:37 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Thu, 13 Nov 2025 22:37:03 GMThttps://freighterlog.com/log/mackinac/2025-11/freighterlog:passage:316043882:2025-11-11T20:17:50ZAlgoma Intrepid (Algoma Central) crossed Straits of Mackinac westbound on 11 Nov 2025 15:17 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Tue, 11 Nov 2025 20:17:50 GMThttps://freighterlog.com/log/port-huron/2025-11/freighterlog:passage:316043882:2025-11-09T07:01:41ZAlgoma Intrepid (Algoma Central) crossed Port Huron / Blue Water Bridge upbound on 9 Nov 2025 02:01 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 09 Nov 2025 07:01:41 GMThttps://freighterlog.com/log/detroit-river/2025-11/freighterlog:passage:316043882:2025-11-08T21:41:22ZAlgoma Intrepid (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 8 Nov 2025 16:41 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 08 Nov 2025 21:41:22 GMThttps://freighterlog.com/log/detroit-river/2025-11/freighterlog:passage:316043882:2025-11-05T18:44:54ZAlgoma Intrepid (Algoma Central) crossed Detroit River / Ambassador Bridge downbound on 5 Nov 2025 13:44 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 05 Nov 2025 18:44:54 GMThttps://freighterlog.com/log/port-huron/2025-11/freighterlog:passage:316043882:2025-11-05T11:07:30ZAlgoma Intrepid (Algoma Central) crossed Port Huron / Blue Water Bridge downbound on 5 Nov 2025 06:07 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 05 Nov 2025 11:07:30 GMThttps://freighterlog.com/log/port-huron/2025-11/freighterlog:passage:316043882:2025-11-02T22:43:59ZAlgoma Intrepid (Algoma Central) crossed Port Huron / Blue Water Bridge upbound on 2 Nov 2025 17:43 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 02 Nov 2025 22:43:59 GMThttps://freighterlog.com/log/port-huron/2025-11/freighterlog:passage:316043882:2025-11-02T14:03:31ZAlgoma Intrepid (Algoma Central) crossed Port Huron / Blue Water Bridge downbound on 2 Nov 2025 09:03 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 02 Nov 2025 14:03:31 GMThttps://freighterlog.com/log/mackinac/2025-10/freighterlog:passage:316043882:2025-10-31T08:27:15ZAlgoma Intrepid (Algoma Central) crossed Straits of Mackinac eastbound on 31 Oct 2025 04:27 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 31 Oct 2025 08:27:15 GMThttps://freighterlog.com/log/mackinac/2025-10/freighterlog:passage:316043882:2025-10-28T15:15:20ZAlgoma Intrepid (Algoma Central) crossed Straits of Mackinac westbound on 28 Oct 2025 11:15 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Tue, 28 Oct 2025 15:15:20 GMThttps://freighterlog.com/log/port-huron/2025-10/freighterlog:passage:316043882:2025-10-26T21:38:24ZAlgoma Intrepid (Algoma Central) crossed Port Huron / Blue Water Bridge upbound on 26 Oct 2025 17:38 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 26 Oct 2025 21:38:24 GMThttps://freighterlog.com/log/detroit-river/2025-10/freighterlog:passage:316043882:2025-10-26T12:33:50ZAlgoma Intrepid (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 26 Oct 2025 08:33 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 26 Oct 2025 12:33:50 GMThttps://freighterlog.com/log/welland/2025-10/freighterlog:passage:316043882:2025-10-25T15:34:44ZAlgoma Intrepid (Algoma Central) crossed Welland Canal (Thorold) upbound on 25 Oct 2025 11:34 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 25 Oct 2025 15:34:44 GMThttps://freighterlog.com/log/welland/2025-10/freighterlog:passage:316043882:2025-10-22T11:35:47ZAlgoma Intrepid (Algoma Central) crossed Welland Canal (Thorold) downbound on 22 Oct 2025 07:35 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 22 Oct 2025 11:35:47 GMThttps://freighterlog.com/log/welland/2025-10/freighterlog:passage:316043882:2025-10-18T18:40:42ZAlgoma Intrepid (Algoma Central) crossed Welland Canal (Thorold) upbound on 18 Oct 2025 14:40 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 18 Oct 2025 18:40:42 GMT