Recorded crossings of the Detroit River / Ambassador Bridge chokepoint line, 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/locks/detroit-river/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/detroit-river/2025-12/freighterlog:passage:368251670:2025-12-31T20:34:26ZMark W. Barker (The Interlake Steamship Company) crossed Detroit River / Ambassador Bridge upbound on 31 Dec 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, 31 Dec 2025 20:34:26 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:366938710:2025-12-31T18:53:30ZAmerican Mariner crossed Detroit River / Ambassador Bridge downbound on 31 Dec 2025 13:53 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 31 Dec 2025 18:53:30 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:316052496:2025-12-31T16:31:14ZNorthern Venture crossed Detroit River / Ambassador Bridge downbound on 31 Dec 2025 11:31 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 16:31:14 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:366983440:2025-12-31T16:31:04ZJoyce L Vanenkevort (VanEnkevort Tug & Barge) crossed Detroit River / Ambassador Bridge upbound on 31 Dec 2025 11:31 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 16:31:04 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:316017110:2025-12-31T16:03:02ZNACC Alicudi crossed Detroit River / Ambassador Bridge downbound on 31 Dec 2025 11:03 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 31 Dec 2025 16:03:02 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:316011710:2025-12-31T15:43:21ZAlgoma Harvester (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 31 Dec 2025 10:43 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 31 Dec 2025 15:43:21 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:316013980:2025-12-31T13:42:03ZRadcliffe R Latimer (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 31 Dec 2025 08:42 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 31 Dec 2025 13:42:03 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:244283000:2025-12-31T11:14:06ZIver Bright crossed Detroit River / Ambassador Bridge upbound on 31 Dec 2025 06:14 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 31 Dec 2025 11:14:06 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:316013966:2025-12-31T08:06:37ZOakglen (Canada Steamship Lines) crossed Detroit River / Ambassador Bridge upbound on 31 Dec 2025 03:06 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 31 Dec 2025 08:06:37 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:367340990:2025-12-31T07:17:21ZCalumet crossed Detroit River / Ambassador Bridge downbound on 31 Dec 2025 02:17 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 31 Dec 2025 07:17:21 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:316006868:2025-12-31T02:03:01ZKathy McKeil crossed Detroit River / Ambassador Bridge upbound on 30 Dec 2025 21:03 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 31 Dec 2025 02:03:01 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:366937490:2025-12-30T21:56:41ZG L Ostrander (Andrie LLC) crossed Detroit River / Ambassador Bridge upbound on 30 Dec 2025 16:56 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 21:56:41 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/detroit-river/2025-12/freighterlog:passage:244283000:2025-12-30T17:52:06ZIver Bright crossed Detroit River / Ambassador Bridge downbound on 30 Dec 2025 12:52 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Tue, 30 Dec 2025 17:52:06 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:316011905:2025-12-30T04:37:50ZRobert S Pierson (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 29 Dec 2025 23:37 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 04:37:50 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:316001633:2025-12-29T10:31:15ZCSL Assiniboine (Canada Steamship Lines) crossed Detroit River / Ambassador Bridge downbound on 29 Dec 2025 05:31 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 29 Dec 2025 10:31:15 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:366904910:2025-12-29T01:12:38ZKaye E Barker (The Interlake Steamship Company) crossed Detroit River / Ambassador Bridge downbound on 28 Dec 2025 20:12 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, 29 Dec 2025 01:12:38 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:316004950:2025-12-28T23:22:54ZSaginaw (Algoma Central) crossed Detroit River / Ambassador Bridge downbound on 28 Dec 2025 18:22 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 23:22:54 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:316006868:2025-12-28T19:56:29ZKathy McKeil crossed Detroit River / Ambassador Bridge downbound on 28 Dec 2025 14:56 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 19:56:29 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:316040355:2025-12-28T19:43:34ZBlair McKeil crossed Detroit River / Ambassador Bridge downbound on 28 Dec 2025 14:43 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, 28 Dec 2025 19:43:34 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:366906610:2025-12-28T16:02:44ZWalter J McCarthy Jr (American Steamship Company) crossed Detroit River / Ambassador Bridge downbound on 28 Dec 2025 11:02 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 16:02:44 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:367159020:2025-12-28T10:37:12ZAlbert crossed Detroit River / Ambassador Bridge upbound on 28 Dec 2025 05:37 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 28 Dec 2025 10:37:12 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:367121010:2025-12-28T08:44:53ZAmerican Century (American Steamship Company) crossed Detroit River / Ambassador Bridge downbound on 28 Dec 2025 03:44 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 28 Dec 2025 08:44:53 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:316018031:2025-12-28T08:04:24ZAlgoma Guardian (Algoma Central) crossed Detroit River / Ambassador Bridge downbound on 28 Dec 2025 03:04 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 28 Dec 2025 08:04:24 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:368251670:2025-12-28T03:35:38ZMark W. Barker (The Interlake Steamship Company) crossed Detroit River / Ambassador Bridge downbound on 27 Dec 2025 22:35 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 28 Dec 2025 03:35:38 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:316034846:2025-12-28T02:45:23ZAlgoma Niagara (Algoma Central) crossed Detroit River / Ambassador Bridge downbound on 27 Dec 2025 21:45 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 28 Dec 2025 02:45:23 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:367409260:2025-12-28T01:57:04ZDorothy Ann (The Interlake Steamship Company) crossed Detroit River / Ambassador Bridge upbound on 27 Dec 2025 20:57 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 28 Dec 2025 01:57:04 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:316023339:2025-12-27T22:15:51ZThunder Bay (Canada Steamship Lines) crossed Detroit River / Ambassador Bridge upbound on 27 Dec 2025 17:15 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 27 Dec 2025 22:15:51 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:366904880:2025-12-27T17:42:24ZMesabi Miner (The Interlake Steamship Company) crossed Detroit River / Ambassador Bridge upbound on 27 Dec 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.Sat, 27 Dec 2025 17:42:24 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:367082220:2025-12-27T12:41:47ZSTR Wilfred Sykes (Central Marine Logistics) crossed Detroit River / Ambassador Bridge upbound on 27 Dec 2025 07:41 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, 27 Dec 2025 12:41:47 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:338866000:2025-12-27T10:04:08ZDirk S. Vanenkevort (VanEnkevort Tug & Barge) crossed Detroit River / Ambassador Bridge upbound on 27 Dec 2025 05:04 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 27 Dec 2025 10:04:08 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:366983440:2025-12-27T06:20:19ZJoyce L Vanenkevort (VanEnkevort Tug & Barge) crossed Detroit River / Ambassador Bridge downbound on 27 Dec 2025 01:20 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 27 Dec 2025 06:20:19 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:367084930:2025-12-27T06:07:37ZSamuel de Champlain (Andrie LLC) crossed Detroit River / Ambassador Bridge upbound on 27 Dec 2025 01:07 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, 27 Dec 2025 06:07:37 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:316004370:2025-12-26T20:53:37ZG3 Marquis (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 26 Dec 2025 15:53 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 26 Dec 2025 20:53:37 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:316036419:2025-12-26T20:21:05ZMcKeil Spirit crossed Detroit River / Ambassador Bridge downbound on 26 Dec 2025 15:21 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 26 Dec 2025 20:21:05 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:316014060:2025-12-26T14:54:32ZAlgoma Strongfield (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 26 Dec 2025 09:54 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, 26 Dec 2025 14:54:32 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:366937490:2025-12-26T10:21:23ZG L Ostrander (Andrie LLC) crossed Detroit River / Ambassador Bridge downbound on 26 Dec 2025 05:21 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 26 Dec 2025 10:21:23 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:366904880:2025-12-26T06:38:45ZMesabi Miner (The Interlake Steamship Company) crossed Detroit River / Ambassador Bridge downbound on 26 Dec 2025 01:38 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, 26 Dec 2025 06:38:45 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:338866000:2025-12-26T02:07:45ZDirk S. Vanenkevort (VanEnkevort Tug & Barge) crossed Detroit River / Ambassador Bridge upbound on 25 Dec 2025 21:07 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 26 Dec 2025 02:07:45 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:316011905:2025-12-26T01:26:22ZRobert S Pierson (Algoma Central) crossed Detroit River / Ambassador Bridge downbound on 25 Dec 2025 20:26 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 01:26:22 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/detroit-river/2025-12/freighterlog:passage:316001834:2025-12-25T23:30:49ZFrontenac (Canada Steamship Lines) crossed Detroit River / Ambassador Bridge downbound on 25 Dec 2025 18:30 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 23:30:49 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:367341010:2025-12-25T20:43:01ZManitowoc crossed Detroit River / Ambassador Bridge downbound on 25 Dec 2025 15:43 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, 25 Dec 2025 20:43:01 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:367159020:2025-12-25T20:05:27ZAlbert crossed Detroit River / Ambassador Bridge downbound on 25 Dec 2025 15:05 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Thu, 25 Dec 2025 20:05:27 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:316034846:2025-12-25T15:05:15ZAlgoma Niagara (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 25 Dec 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.Thu, 25 Dec 2025 15:05:15 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:316036089:2025-12-25T13:44:56ZAlgoma Sault (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 25 Dec 2025 08:44 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Thu, 25 Dec 2025 13:44:56 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:366938710:2025-12-25T09:59:54ZAmerican Mariner crossed Detroit River / Ambassador Bridge upbound on 25 Dec 2025 04:59 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Thu, 25 Dec 2025 09:59:54 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:366904910:2025-12-25T07:49:05ZKaye E Barker (The Interlake Steamship Company) crossed Detroit River / Ambassador Bridge upbound on 25 Dec 2025 02:49 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Thu, 25 Dec 2025 07:49:05 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:338888000:2025-12-25T05:43:15ZClyde S van Enkevort (VanEnkevort Tug & Barge) crossed Detroit River / Ambassador Bridge upbound on 25 Dec 2025 00:43 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, 25 Dec 2025 05:43:15 GMT