Recorded chokepoint passages for American Spirit, 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/american-spirit/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/port-huron/2025-12/freighterlog:passage:366930730:2025-12-30T23:20:17ZAmerican Spirit (American Steamship Company) crossed Port Huron / Blue Water Bridge upbound on 30 Dec 2025 18:20 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 23:20:17 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:366930730:2025-12-30T12:37:53ZAmerican Spirit (American Steamship Company) crossed Detroit River / Ambassador Bridge upbound on 30 Dec 2025 07:37 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, 30 Dec 2025 12:37:53 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:366930730:2025-12-26T01:19:10ZAmerican Spirit (American Steamship Company) crossed Detroit River / Ambassador Bridge downbound on 25 Dec 2025 20:19 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, 26 Dec 2025 01:19:10 GMThttps://freighterlog.com/log/port-huron/2025-12/freighterlog:passage:366930730:2025-12-25T19:37:13ZAmerican Spirit (American Steamship Company) crossed Port Huron / Blue Water Bridge downbound on 25 Dec 2025 14:37 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, 25 Dec 2025 19:37:13 GMThttps://freighterlog.com/log/soo/2025-12/freighterlog:passage:366930730:2025-12-24T21:09:32ZAmerican Spirit (American Steamship Company) crossed Soo Locks (St. Marys River) downbound on 24 Dec 2025 16:09 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 21:09:32 GMThttps://freighterlog.com/log/soo/2025-12/freighterlog:passage:366930730:2025-12-19T19:38:10ZAmerican Spirit (American Steamship Company) crossed Soo Locks (St. Marys River) upbound on 19 Dec 2025 14:38 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, 19 Dec 2025 19:38:10 GMThttps://freighterlog.com/log/mackinac/2025-12/freighterlog:passage:366930730:2025-12-18T14:36:43ZAmerican Spirit (American Steamship Company) crossed Straits of Mackinac eastbound on 18 Dec 2025 09:36 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, 18 Dec 2025 14:36:43 GMThttps://freighterlog.com/log/mackinac/2025-12/freighterlog:passage:366930730:2025-12-15T12:51:31ZAmerican Spirit (American Steamship Company) crossed Straits of Mackinac westbound on 15 Dec 2025 07:51 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, 15 Dec 2025 12:51:31 GMThttps://freighterlog.com/log/soo/2025-12/freighterlog:passage:366930730:2025-12-15T01:10:53ZAmerican Spirit (American Steamship Company) crossed Soo Locks (St. Marys River) downbound on 14 Dec 2025 20:10 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, 15 Dec 2025 01:10:53 GMThttps://freighterlog.com/log/soo/2025-12/freighterlog:passage:366930730:2025-12-10T00:37:01ZAmerican Spirit (American Steamship Company) crossed Soo Locks (St. Marys River) upbound on 9 Dec 2025 19:37 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 10 Dec 2025 00:37:01 GMThttps://freighterlog.com/log/port-huron/2025-12/freighterlog:passage:366930730:2025-12-09T01:49:56ZAmerican Spirit (American Steamship Company) crossed Port Huron / Blue Water Bridge upbound on 8 Dec 2025 20:49 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 01:49:56 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:366930730:2025-12-08T19:20:44ZAmerican Spirit (American Steamship Company) crossed Detroit River / Ambassador Bridge upbound on 8 Dec 2025 14:20 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, 08 Dec 2025 19:20:44 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:366930730:2025-12-07T03:13:19ZAmerican Spirit (American Steamship Company) crossed Detroit River / Ambassador Bridge downbound on 6 Dec 2025 22:13 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 03:13:19 GMThttps://freighterlog.com/log/port-huron/2025-12/freighterlog:passage:366930730:2025-12-06T21:03:00ZAmerican Spirit (American Steamship Company) crossed Port Huron / Blue Water Bridge downbound on 6 Dec 2025 16:03 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 06 Dec 2025 21:03:00 GMThttps://freighterlog.com/log/soo/2025-12/freighterlog:passage:366930730:2025-12-05T19:54:02ZAmerican Spirit (American Steamship Company) crossed Soo Locks (St. Marys River) downbound on 5 Dec 2025 14:54 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, 05 Dec 2025 19:54:02 GMThttps://freighterlog.com/log/duluth-canal/2025-12/freighterlog:passage:366930730:2025-12-04T07:42:34ZAmerican Spirit (American Steamship Company) crossed Duluth Ship Canal outbound on 4 Dec 2025 01:42 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, 04 Dec 2025 07:42:34 GMThttps://freighterlog.com/log/duluth-canal/2025-12/freighterlog:passage:366930730:2025-12-02T15:50:35ZAmerican Spirit (American Steamship Company) crossed Duluth Ship Canal inbound on 2 Dec 2025 09:50 CST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Tue, 02 Dec 2025 15:50:35 GMThttps://freighterlog.com/log/soo/2025-12/freighterlog:passage:366930730:2025-12-01T01:50:02ZAmerican Spirit (American Steamship Company) crossed Soo Locks (St. Marys River) upbound on 30 Nov 2025 20:50 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 01 Dec 2025 01:50:02 GMThttps://freighterlog.com/log/mackinac/2025-11/freighterlog:passage:366930730:2025-11-30T07:05:59ZAmerican Spirit (American Steamship Company) crossed Straits of Mackinac eastbound on 30 Nov 2025 02:05 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, 30 Nov 2025 07:05:59 GMThttps://freighterlog.com/log/mackinac/2025-11/freighterlog:passage:366930730:2025-11-24T17:57:05ZAmerican Spirit (American Steamship Company) crossed Straits of Mackinac westbound on 24 Nov 2025 12:57 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 17:57:05 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:366930730:2025-11-24T08:11:29ZAmerican Spirit (American Steamship Company) crossed Soo Locks (St. Marys River) downbound on 24 Nov 2025 03:11 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 08:11:29 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:366930730:2025-11-20T17:07:32ZAmerican Spirit (American Steamship Company) crossed Soo Locks (St. Marys River) upbound on 20 Nov 2025 12:07 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Thu, 20 Nov 2025 17:07:32 GMThttps://freighterlog.com/log/port-huron/2025-11/freighterlog:passage:366930730:2025-11-19T17:10:31ZAmerican Spirit (American Steamship Company) crossed Port Huron / Blue Water Bridge upbound on 19 Nov 2025 12:10 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, 19 Nov 2025 17:10:31 GMThttps://freighterlog.com/log/detroit-river/2025-11/freighterlog:passage:366930730:2025-11-19T11:00:59ZAmerican Spirit (American Steamship Company) crossed Detroit River / Ambassador Bridge upbound on 19 Nov 2025 06:00 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 19 Nov 2025 11:00:59 GMThttps://freighterlog.com/log/detroit-river/2025-11/freighterlog:passage:366930730:2025-11-16T05:49:30ZAmerican Spirit (American Steamship Company) crossed Detroit River / Ambassador Bridge downbound on 16 Nov 2025 00:49 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 05:49:30 GMThttps://freighterlog.com/log/port-huron/2025-11/freighterlog:passage:366930730:2025-11-15T23:45:16ZAmerican Spirit (American Steamship Company) crossed Port Huron / Blue Water Bridge downbound on 15 Nov 2025 18:45 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 23:45:16 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:366930730:2025-11-14T21:47:53ZAmerican Spirit (American Steamship Company) crossed Soo Locks (St. Marys River) downbound on 14 Nov 2025 16:47 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 14 Nov 2025 21:47:53 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:366930730:2025-11-10T21:19:07ZAmerican Spirit (American Steamship Company) crossed Soo Locks (St. Marys River) upbound on 10 Nov 2025 16:19 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, 10 Nov 2025 21:19:07 GMThttps://freighterlog.com/log/mackinac/2025-11/freighterlog:passage:366930730:2025-11-10T11:34:09ZAmerican Spirit (American Steamship Company) crossed Straits of Mackinac eastbound on 10 Nov 2025 06:34 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 10 Nov 2025 11:34:09 GMThttps://freighterlog.com/log/mackinac/2025-11/freighterlog:passage:366930730:2025-11-06T18:43:19ZAmerican Spirit (American Steamship Company) crossed Straits of Mackinac westbound on 6 Nov 2025 13:43 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Thu, 06 Nov 2025 18:43:19 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:366930730:2025-11-05T20:34:25ZAmerican Spirit (American Steamship Company) crossed Soo Locks (St. Marys River) downbound on 5 Nov 2025 15:34 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 05 Nov 2025 20:34:25 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:366930730:2025-11-01T09:31:22ZAmerican Spirit (American Steamship Company) crossed Soo Locks (St. Marys River) upbound on 1 Nov 2025 05:31 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, 01 Nov 2025 09:31:22 GMThttps://freighterlog.com/log/port-huron/2025-10/freighterlog:passage:366930730:2025-10-31T09:07:29ZAmerican Spirit (American Steamship Company) crossed Port Huron / Blue Water Bridge upbound on 31 Oct 2025 05:07 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 09:07:29 GMThttps://freighterlog.com/log/detroit-river/2025-10/freighterlog:passage:366930730:2025-10-31T03:08:31ZAmerican Spirit (American Steamship Company) crossed Detroit River / Ambassador Bridge upbound on 30 Oct 2025 23:08 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 03:08:31 GMThttps://freighterlog.com/log/detroit-river/2025-10/freighterlog:passage:366930730:2025-10-29T01:27:54ZAmerican Spirit (American Steamship Company) crossed Detroit River / Ambassador Bridge downbound on 28 Oct 2025 21:27 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 29 Oct 2025 01:27:54 GMThttps://freighterlog.com/log/port-huron/2025-10/freighterlog:passage:366930730:2025-10-28T19:37:03ZAmerican Spirit (American Steamship Company) crossed Port Huron / Blue Water Bridge downbound on 28 Oct 2025 15:37 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 19:37:03 GMThttps://freighterlog.com/log/soo/2025-10/freighterlog:passage:366930730:2025-10-27T18:33:42ZAmerican Spirit (American Steamship Company) crossed Soo Locks (St. Marys River) downbound on 27 Oct 2025 14:33 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 27 Oct 2025 18:33:42 GMThttps://freighterlog.com/log/superior-entry/2025-10/freighterlog:passage:366930730:2025-10-25T20:33:51ZAmerican Spirit (American Steamship Company) crossed Superior Entry outbound on 25 Oct 2025 15:33 CDT. 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 20:33:51 GMThttps://freighterlog.com/log/superior-entry/2025-10/freighterlog:passage:366930730:2025-10-25T14:39:00ZAmerican Spirit (American Steamship Company) crossed Superior Entry inbound on 25 Oct 2025 09:39 CDT. 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 14:39:00 GMThttps://freighterlog.com/log/soo/2025-10/freighterlog:passage:366930730:2025-10-24T08:12:00ZAmerican Spirit (American Steamship Company) crossed Soo Locks (St. Marys River) upbound on 24 Oct 2025 04:12 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, 24 Oct 2025 08:12:00 GMT