Redridge Dam
Redridge Dam is a timber crib dam located in Houghton County, Michigan, built in 1902. It carries a Significant hazard potential classification and has a fair condition assessment.
About Redridge Dam
The primary purpose of Redridge Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Stanton Township (local government). It impounds the Salmon Trout River near Redridge.
The dam stands 50 feet tall and stretches 228 feet across, creates a reservoir covering 74 acres, has a maximum storage capacity of 1,480 acre-feet, and collects water from a drainage area of 35 square miles. Completed in 1902, the structure is over a century old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 05/19/2014. That was over 11 years ago.
At 50 feet, this dam is taller than 93% of dams nationwide.
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Location
| State | Michigan |
| County | Houghton |
| Nearest City | Redridge |
| River/Stream | Salmon Trout River |
| Coordinates | 47.14851, -88.76421 |
Physical Characteristics
| Dam Type | Timber Crib |
| NID Height | 50 ft |
| Dam Height | 50 ft |
| Dam Length | 228 ft |
| Year Completed | 1902 (124 years old) |
Storage & Hydraulics
| NID Storage | 1,480 acre-ft |
| Max Storage | 1,480 acre-ft |
| Normal Storage | 940 acre-ft |
| Surface Area | 74 acres |
| Drainage Area | 35 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Stanton Township |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 05/19/2014 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MI00091 |
| Federal ID | MI00091 |
| More Info | State Dam Safety Program |