Recorded chokepoint passages for Indiana Harbor, 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/indiana-harbor/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/mackinac/2025-12/freighterlog:passage:366938730:2025-12-28T06:14:56ZIndiana Harbor (American Steamship Company) crossed Straits of Mackinac westbound on 28 Dec 2025 01:14 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 28 Dec 2025 06:14:56 GMThttps://freighterlog.com/log/soo/2025-12/freighterlog:passage:366938730:2025-12-27T21:18:13ZIndiana Harbor (American Steamship Company) crossed Soo Locks (St. Marys River) downbound on 27 Dec 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.Sat, 27 Dec 2025 21:18:13 GMThttps://freighterlog.com/log/soo/2025-12/freighterlog:passage:366938730:2025-12-24T22:32:41ZIndiana Harbor (American Steamship Company) crossed Soo Locks (St. Marys River) upbound on 24 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, 24 Dec 2025 22:32:41 GMThttps://freighterlog.com/log/port-huron/2025-12/freighterlog:passage:366938730:2025-12-23T18:57:29ZIndiana Harbor (American Steamship Company) crossed Port Huron / Blue Water Bridge upbound on 23 Dec 2025 13:57 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Tue, 23 Dec 2025 18:57:29 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:366938730:2025-12-23T12:37:40ZIndiana Harbor (American Steamship Company) crossed Detroit River / Ambassador Bridge upbound on 23 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, 23 Dec 2025 12:37:40 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:366938730:2025-12-21T01:11:30ZIndiana Harbor (American Steamship Company) crossed Detroit River / Ambassador Bridge downbound on 20 Dec 2025 20:11 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 21 Dec 2025 01:11:30 GMThttps://freighterlog.com/log/port-huron/2025-12/freighterlog:passage:366938730:2025-12-20T18:49:58ZIndiana Harbor (American Steamship Company) crossed Port Huron / Blue Water Bridge downbound on 20 Dec 2025 13:49 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 20 Dec 2025 18:49:58 GMThttps://freighterlog.com/log/soo/2025-12/freighterlog:passage:366938730:2025-12-19T07:58:34ZIndiana Harbor (American Steamship Company) crossed Soo Locks (St. Marys River) downbound on 19 Dec 2025 02:58 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 07:58:34 GMThttps://freighterlog.com/log/duluth-canal/2025-12/freighterlog:passage:366938730:2025-12-17T14:05:37ZIndiana Harbor (American Steamship Company) crossed Duluth Ship Canal outbound on 17 Dec 2025 08:05 CST. 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 14:05:37 GMThttps://freighterlog.com/log/duluth-canal/2025-12/freighterlog:passage:366938730:2025-12-16T12:26:49ZIndiana Harbor (American Steamship Company) crossed Duluth Ship Canal inbound on 16 Dec 2025 06:26 CST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Tue, 16 Dec 2025 12:26:49 GMThttps://freighterlog.com/log/soo/2025-12/freighterlog:passage:366938730:2025-12-14T03:06:23ZIndiana Harbor (American Steamship Company) crossed Soo Locks (St. Marys River) upbound on 13 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.Sun, 14 Dec 2025 03:06:23 GMThttps://freighterlog.com/log/mackinac/2025-12/freighterlog:passage:366938730:2025-12-13T15:13:37ZIndiana Harbor (American Steamship Company) crossed Straits of Mackinac eastbound on 13 Dec 2025 10:13 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 13 Dec 2025 15:13:37 GMThttps://freighterlog.com/log/mackinac/2025-12/freighterlog:passage:366938730:2025-12-08T16:00:14ZIndiana Harbor (American Steamship Company) crossed Straits of Mackinac westbound on 8 Dec 2025 11:00 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 08 Dec 2025 16:00:14 GMThttps://freighterlog.com/log/soo/2025-12/freighterlog:passage:366938730:2025-12-08T06:35:27ZIndiana Harbor (American Steamship Company) crossed Soo Locks (St. Marys River) downbound on 8 Dec 2025 01:35 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, 08 Dec 2025 06:35:27 GMThttps://freighterlog.com/log/soo/2025-12/freighterlog:passage:366938730:2025-12-03T21:18:01ZIndiana Harbor (American Steamship Company) crossed Soo Locks (St. Marys River) upbound on 3 Dec 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.Wed, 03 Dec 2025 21:18:01 GMThttps://freighterlog.com/log/mackinac/2025-11/freighterlog:passage:366938730:2025-11-29T07:59:26ZIndiana Harbor (American Steamship Company) crossed Straits of Mackinac westbound on 29 Nov 2025 02:59 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 07:59:26 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:366938730:2025-11-28T22:55:39ZIndiana Harbor (American Steamship Company) crossed Soo Locks (St. Marys River) downbound on 28 Nov 2025 17:55 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 22:55:39 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:366938730:2025-11-24T10:00:14ZIndiana Harbor (American Steamship Company) crossed Soo Locks (St. Marys River) upbound on 24 Nov 2025 05:00 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 24 Nov 2025 10:00:14 GMThttps://freighterlog.com/log/mackinac/2025-11/freighterlog:passage:366938730:2025-11-24T00:12:07ZIndiana Harbor (American Steamship Company) crossed Straits of Mackinac eastbound on 23 Nov 2025 19:12 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 00:12:07 GMThttps://freighterlog.com/log/mackinac/2025-11/freighterlog:passage:366938730:2025-11-21T01:33:43ZIndiana Harbor (American Steamship Company) crossed Straits of Mackinac westbound on 20 Nov 2025 20:33 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 21 Nov 2025 01:33:43 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:366938730:2025-11-20T16:01:08ZIndiana Harbor (American Steamship Company) crossed Soo Locks (St. Marys River) downbound on 20 Nov 2025 11:01 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Thu, 20 Nov 2025 16:01:08 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:366938730:2025-11-17T15:05:59ZIndiana Harbor (American Steamship Company) crossed Soo Locks (St. Marys River) upbound on 17 Nov 2025 10:05 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 17 Nov 2025 15:05:59 GMThttps://freighterlog.com/log/mackinac/2025-11/freighterlog:passage:366938730:2025-11-15T18:06:09ZIndiana Harbor (American Steamship Company) crossed Straits of Mackinac eastbound on 15 Nov 2025 13:06 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 15 Nov 2025 18:06:09 GMThttps://freighterlog.com/log/mackinac/2025-11/freighterlog:passage:366938730:2025-11-12T17:25:38ZIndiana Harbor (American Steamship Company) crossed Straits of Mackinac westbound on 12 Nov 2025 12:25 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 17:25:38 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:366938730:2025-11-12T07:32:21ZIndiana Harbor (American Steamship Company) crossed Soo Locks (St. Marys River) downbound on 12 Nov 2025 02:32 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, 12 Nov 2025 07:32:21 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:366938730:2025-11-09T05:15:12ZIndiana Harbor (American Steamship Company) crossed Soo Locks (St. Marys River) upbound on 9 Nov 2025 00:15 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, 09 Nov 2025 05:15:12 GMThttps://freighterlog.com/log/port-huron/2025-11/freighterlog:passage:366938730:2025-11-08T03:47:52ZIndiana Harbor (American Steamship Company) crossed Port Huron / Blue Water Bridge upbound on 7 Nov 2025 22:47 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 08 Nov 2025 03:47:52 GMThttps://freighterlog.com/log/detroit-river/2025-11/freighterlog:passage:366938730:2025-11-07T20:13:26ZIndiana Harbor (American Steamship Company) crossed Detroit River / Ambassador Bridge upbound on 7 Nov 2025 15:13 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 07 Nov 2025 20:13:26 GMThttps://freighterlog.com/log/detroit-river/2025-11/freighterlog:passage:366938730:2025-11-04T21:04:41ZIndiana Harbor (American Steamship Company) crossed Detroit River / Ambassador Bridge downbound on 4 Nov 2025 16:04 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Tue, 04 Nov 2025 21:04:41 GMThttps://freighterlog.com/log/port-huron/2025-11/freighterlog:passage:366938730:2025-11-04T13:18:55ZIndiana Harbor (American Steamship Company) crossed Port Huron / Blue Water Bridge downbound on 4 Nov 2025 08:18 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, 04 Nov 2025 13:18:55 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:366938730:2025-11-02T16:52:08ZIndiana Harbor (American Steamship Company) crossed Soo Locks (St. Marys River) downbound on 2 Nov 2025 11:52 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, 02 Nov 2025 16:52:08 GMThttps://freighterlog.com/log/soo/2025-10/freighterlog:passage:366938730:2025-10-30T19:13:41ZIndiana Harbor (American Steamship Company) crossed Soo Locks (St. Marys River) upbound on 30 Oct 2025 15:13 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Thu, 30 Oct 2025 19:13:41 GMThttps://freighterlog.com/log/port-huron/2025-10/freighterlog:passage:366938730:2025-10-29T19:24:29ZIndiana Harbor (American Steamship Company) crossed Port Huron / Blue Water Bridge upbound on 29 Oct 2025 15:24 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 19:24:29 GMThttps://freighterlog.com/log/detroit-river/2025-10/freighterlog:passage:366938730:2025-10-29T12:58:15ZIndiana Harbor (American Steamship Company) crossed Detroit River / Ambassador Bridge upbound on 29 Oct 2025 08:58 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 12:58:15 GMThttps://freighterlog.com/log/detroit-river/2025-10/freighterlog:passage:366938730:2025-10-27T23:46:39ZIndiana Harbor (American Steamship Company) crossed Detroit River / Ambassador Bridge downbound on 27 Oct 2025 19:46 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 27 Oct 2025 23:46:39 GMThttps://freighterlog.com/log/port-huron/2025-10/freighterlog:passage:366938730:2025-10-27T17:26:13ZIndiana Harbor (American Steamship Company) crossed Port Huron / Blue Water Bridge downbound on 27 Oct 2025 13:26 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 17:26:13 GMThttps://freighterlog.com/log/soo/2025-10/freighterlog:passage:366938730:2025-10-26T17:53:54ZIndiana Harbor (American Steamship Company) crossed Soo Locks (St. Marys River) downbound on 26 Oct 2025 13:53 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 17:53:54 GMThttps://freighterlog.com/log/duluth-canal/2025-10/freighterlog:passage:366938730:2025-10-25T09:17:14ZIndiana Harbor (American Steamship Company) crossed Duluth Ship Canal outbound on 25 Oct 2025 04:17 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 09:17:14 GMThttps://freighterlog.com/log/duluth-canal/2025-10/freighterlog:passage:366938730:2025-10-24T16:59:28ZIndiana Harbor (American Steamship Company) crossed Duluth Ship Canal inbound on 24 Oct 2025 11:59 CDT. 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 16:59:28 GMThttps://freighterlog.com/log/soo/2025-10/freighterlog:passage:366938730:2025-10-23T09:17:40ZIndiana Harbor (American Steamship Company) crossed Soo Locks (St. Marys River) upbound on 23 Oct 2025 05:17 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Thu, 23 Oct 2025 09:17:40 GMT