In a post Thursday on Facebook, the U.S. Army Corps of Engineers said the bulk freighter passed through the locks at about 3 a.m. Thursday — the last ship to make passage into the St. Marys River.

According to the U.S. Army Corps of Engineers, there were 240 ships and tugs that went through the Soo Locks between March 25, 2024, and Jan. 16, 2025. During that time, there were 3,651 total locks.

The Gatun Lake is 85 feet above sea level. How do the ships get raised and lowered? The canal has a water lock system that acts like a massive elevator. When ships enter the locks, they're raised ...