This is the thirteenth in a series of entries celebrating infrastructure achievements in the United States.
What: The Redridge Steel Dam is a a flat slab buttress dam, and one of only 3 steel dams in America.
When: The dam opened in 1901 and has since undergone several renovations due to flooding.
Where: The Redridge Steel Dam sits on the Salmon Trout River in Redridge, Houghton County, Michigan.
– Length: 1,006 ft (307 m)
– Height: 74 ft (22.57 m)
Interesting facts: The dam was listed as a Michigan Historic Civil Engineering Landmark in 1985, and added to the National Register of Historic Places on April 2, 1992.
The dam flooded on Easter morning in 1941 and had to undergo several renovations (including having having large holes cut into it).
The video below features both Redridge Dams (one a wooden crib, one steel). Beginning at :38, you can see the Redridge Steel Dam and the holes that were cut to prevent flooding.
Uploaded by coppercountrymedia