Recorded chokepoint passages for American Integrity, 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-integrity/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/soo/2025-12/freighterlog:passage:367120990:2025-12-31T22:32:44ZAmerican Integrity (American Steamship Company) crossed Soo Locks (St. Marys River) downbound on 31 Dec 2025 17:32 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 22:32:44 GMThttps://freighterlog.com/log/soo/2025-12/freighterlog:passage:367120990:2025-12-27T08:37:27ZAmerican Integrity (American Steamship Company) crossed Soo Locks (St. Marys River) upbound on 27 Dec 2025 03:37 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, 27 Dec 2025 08:37:27 GMThttps://freighterlog.com/log/mackinac/2025-12/freighterlog:passage:367120990:2025-12-26T23:44:26ZAmerican Integrity (American Steamship Company) crossed Straits of Mackinac eastbound on 26 Dec 2025 18:44 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 26 Dec 2025 23:44:26 GMThttps://freighterlog.com/log/mackinac/2025-12/freighterlog:passage:367120990:2025-12-24T00:51:35ZAmerican Integrity (American Steamship Company) crossed Straits of Mackinac westbound on 23 Dec 2025 19:51 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, 24 Dec 2025 00:51:35 GMThttps://freighterlog.com/log/soo/2025-12/freighterlog:passage:367120990:2025-12-23T16:05:23ZAmerican Integrity (American Steamship Company) crossed Soo Locks (St. Marys River) downbound on 23 Dec 2025 11:05 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Tue, 23 Dec 2025 16:05:23 GMThttps://freighterlog.com/log/soo/2025-12/freighterlog:passage:367120990:2025-12-18T01:04:08ZAmerican Integrity (American Steamship Company) crossed Soo Locks (St. Marys River) upbound on 17 Dec 2025 20:04 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 01:04:08 GMThttps://freighterlog.com/log/mackinac/2025-12/freighterlog:passage:367120990:2025-12-17T15:51:57ZAmerican Integrity (American Steamship Company) crossed Straits of Mackinac eastbound on 17 Dec 2025 10:51 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 15:51:57 GMThttps://freighterlog.com/log/mackinac/2025-12/freighterlog:passage:367120990:2025-12-14T04:21:03ZAmerican Integrity (American Steamship Company) crossed Straits of Mackinac westbound on 13 Dec 2025 23:21 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, 14 Dec 2025 04:21:03 GMThttps://freighterlog.com/log/soo/2025-12/freighterlog:passage:367120990:2025-12-12T18:17:02ZAmerican Integrity (American Steamship Company) crossed Soo Locks (St. Marys River) downbound on 12 Dec 2025 13:17 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 12 Dec 2025 18:17:02 GMThttps://freighterlog.com/log/soo/2025-12/freighterlog:passage:367120990:2025-12-09T13:17:45ZAmerican Integrity (American Steamship Company) crossed Soo Locks (St. Marys River) upbound on 9 Dec 2025 08:17 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, 09 Dec 2025 13:17:45 GMThttps://freighterlog.com/log/mackinac/2025-12/freighterlog:passage:367120990:2025-12-09T03:06:19ZAmerican Integrity (American Steamship Company) crossed Straits of Mackinac eastbound on 8 Dec 2025 22:06 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 03:06:19 GMThttps://freighterlog.com/log/mackinac/2025-12/freighterlog:passage:367120990:2025-12-05T22:44:57ZAmerican Integrity (American Steamship Company) crossed Straits of Mackinac westbound on 5 Dec 2025 17:44 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 05 Dec 2025 22:44:57 GMThttps://freighterlog.com/log/soo/2025-12/freighterlog:passage:367120990:2025-12-05T13:39:17ZAmerican Integrity (American Steamship Company) crossed Soo Locks (St. Marys River) downbound on 5 Dec 2025 08:39 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 13:39:17 GMThttps://freighterlog.com/log/soo/2025-12/freighterlog:passage:367120990:2025-12-01T21:37:05ZAmerican Integrity (American Steamship Company) crossed Soo Locks (St. Marys River) upbound on 1 Dec 2025 16:37 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 01 Dec 2025 21:37:05 GMThttps://freighterlog.com/log/mackinac/2025-12/freighterlog:passage:367120990:2025-12-01T12:04:34ZAmerican Integrity (American Steamship Company) crossed Straits of Mackinac eastbound on 1 Dec 2025 07:04 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 12:04:34 GMThttps://freighterlog.com/log/mackinac/2025-11/freighterlog:passage:367120990:2025-11-26T02:16:42ZAmerican Integrity (American Steamship Company) crossed Straits of Mackinac westbound on 25 Nov 2025 21:16 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, 26 Nov 2025 02:16:42 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:367120990:2025-11-25T16:14:08ZAmerican Integrity (American Steamship Company) crossed Soo Locks (St. Marys River) downbound on 25 Nov 2025 11:14 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 16:14:08 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:367120990:2025-11-22T13:33:14ZAmerican Integrity (American Steamship Company) crossed Soo Locks (St. Marys River) upbound on 22 Nov 2025 08:33 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 13:33:14 GMThttps://freighterlog.com/log/port-huron/2025-11/freighterlog:passage:367120990:2025-11-21T09:40:27ZAmerican Integrity (American Steamship Company) crossed Port Huron / Blue Water Bridge upbound on 21 Nov 2025 04:40 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 21 Nov 2025 09:40:27 GMThttps://freighterlog.com/log/detroit-river/2025-11/freighterlog:passage:367120990:2025-11-21T02:41:17ZAmerican Integrity (American Steamship Company) crossed Detroit River / Ambassador Bridge upbound on 20 Nov 2025 21:41 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 21 Nov 2025 02:41:17 GMThttps://freighterlog.com/log/detroit-river/2025-11/freighterlog:passage:367120990:2025-11-19T02:09:24ZAmerican Integrity (American Steamship Company) crossed Detroit River / Ambassador Bridge downbound on 18 Nov 2025 21:09 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, 19 Nov 2025 02:09:24 GMThttps://freighterlog.com/log/port-huron/2025-11/freighterlog:passage:367120990:2025-11-18T21:18:18ZAmerican Integrity (American Steamship Company) crossed Port Huron / Blue Water Bridge downbound on 18 Nov 2025 16:18 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, 18 Nov 2025 21:18:18 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:367120990:2025-11-17T19:42:12ZAmerican Integrity (American Steamship Company) crossed Soo Locks (St. Marys River) downbound on 17 Nov 2025 14:42 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 17 Nov 2025 19:42:12 GMThttps://freighterlog.com/log/superior-entry/2025-11/freighterlog:passage:367120990:2025-11-15T10:52:46ZAmerican Integrity (American Steamship Company) crossed Superior Entry outbound on 15 Nov 2025 04:52 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, 15 Nov 2025 10:52:46 GMThttps://freighterlog.com/log/superior-entry/2025-11/freighterlog:passage:367120990:2025-11-15T03:26:43ZAmerican Integrity (American Steamship Company) crossed Superior Entry inbound on 14 Nov 2025 21:26 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, 15 Nov 2025 03:26:43 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:367120990:2025-11-13T22:34:32ZAmerican Integrity (American Steamship Company) crossed Soo Locks (St. Marys River) upbound on 13 Nov 2025 17:34 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Thu, 13 Nov 2025 22:34:32 GMThttps://freighterlog.com/log/port-huron/2025-11/freighterlog:passage:367120990:2025-11-12T05:35:58ZAmerican Integrity (American Steamship Company) crossed Port Huron / Blue Water Bridge upbound on 12 Nov 2025 00:35 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, 12 Nov 2025 05:35:58 GMThttps://freighterlog.com/log/detroit-river/2025-11/freighterlog:passage:367120990:2025-11-11T22:45:11ZAmerican Integrity (American Steamship Company) crossed Detroit River / Ambassador Bridge upbound on 11 Nov 2025 17:45 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Tue, 11 Nov 2025 22:45:11 GMThttps://freighterlog.com/log/detroit-river/2025-11/freighterlog:passage:367120990:2025-11-09T22:47:57ZAmerican Integrity (American Steamship Company) crossed Detroit River / Ambassador Bridge downbound on 9 Nov 2025 17:47 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 09 Nov 2025 22:47:57 GMThttps://freighterlog.com/log/port-huron/2025-11/freighterlog:passage:367120990:2025-11-09T16:42:16ZAmerican Integrity (American Steamship Company) crossed Port Huron / Blue Water Bridge downbound on 9 Nov 2025 11:42 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 09 Nov 2025 16:42:16 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:367120990:2025-11-08T16:07:10ZAmerican Integrity (American Steamship Company) crossed Soo Locks (St. Marys River) downbound on 8 Nov 2025 11:07 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 08 Nov 2025 16:07:10 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:367120990:2025-11-04T23:20:40ZAmerican Integrity (American Steamship Company) crossed Soo Locks (St. Marys River) upbound on 4 Nov 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, 04 Nov 2025 23:20:40 GMThttps://freighterlog.com/log/port-huron/2025-11/freighterlog:passage:367120990:2025-11-03T23:14:43ZAmerican Integrity (American Steamship Company) crossed Port Huron / Blue Water Bridge upbound on 3 Nov 2025 18:14 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, 03 Nov 2025 23:14:43 GMThttps://freighterlog.com/log/detroit-river/2025-11/freighterlog:passage:367120990:2025-11-03T16:35:53ZAmerican Integrity (American Steamship Company) crossed Detroit River / Ambassador Bridge upbound on 3 Nov 2025 11:35 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, 03 Nov 2025 16:35:53 GMThttps://freighterlog.com/log/port-huron/2025-10/freighterlog:passage:367120990:2025-10-29T13:46:28ZAmerican Integrity (American Steamship Company) crossed Port Huron / Blue Water Bridge downbound on 29 Oct 2025 09:46 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 13:46:28 GMThttps://freighterlog.com/log/soo/2025-10/freighterlog:passage:367120990:2025-10-28T11:42:02ZAmerican Integrity (American Steamship Company) crossed Soo Locks (St. Marys River) downbound on 28 Oct 2025 07:42 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 11:42:02 GMThttps://freighterlog.com/log/superior-entry/2025-10/freighterlog:passage:367120990:2025-10-27T00:31:30ZAmerican Integrity (American Steamship Company) crossed Superior Entry outbound on 26 Oct 2025 19:31 CDT. 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 00:31:30 GMThttps://freighterlog.com/log/superior-entry/2025-10/freighterlog:passage:367120990:2025-10-26T02:39:46ZAmerican Integrity (American Steamship Company) crossed Superior Entry inbound on 25 Oct 2025 21:39 CDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 26 Oct 2025 02:39:46 GMThttps://freighterlog.com/log/soo/2025-10/freighterlog:passage:367120990:2025-10-24T18:22:09ZAmerican Integrity (American Steamship Company) crossed Soo Locks (St. Marys River) upbound on 24 Oct 2025 14:22 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 18:22:09 GMThttps://freighterlog.com/log/mackinac/2025-10/freighterlog:passage:367120990:2025-10-24T07:40:22ZAmerican Integrity (American Steamship Company) crossed Straits of Mackinac eastbound on 24 Oct 2025 03:40 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 24 Oct 2025 07:40:22 GMT