Red Bridge Reservoir Report
Nearby: Railroad Dike Alden Street Dike
Last Updated: December 6, 2025
Red Bridge, located in Ludlow, Massachusetts, is a privately owned masonry dam that was completed in 1901 for the primary purpose of hydroelectric power generation.
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Summary
The dam stands at a height of 51 feet and spans a length of 827 feet, with a storage capacity of 3200 acre-feet and a maximum discharge rate of 56,500 cubic feet per second. This historic structure on the Chicopee River is associated with two other structures and is regulated by the Federal Energy Regulatory Commission, with inspections conducted by the same agency.
With a hazard potential rated as high and a risk assessment indicating very high risk, Red Bridge has a significant impact on the surrounding area in terms of safety and environmental concerns. Despite its age, the condition assessment of the dam is marked as "Not Available," highlighting the need for further evaluation and potentially the implementation of risk management measures. The dam features a controlled spillway with a width of 300 feet and a single vertical lift outlet gate, emphasizing its importance in managing water flow and flood control in the region.
As a key component of the water resource infrastructure in Massachusetts, Red Bridge serves not only for hydroelectric power generation but also for recreational purposes. Its location on the Chicopee River and its historical significance make it a focal point for water resource and climate enthusiasts interested in the intersection of engineering, conservation, and public safety. Further monitoring and assessment of Red Bridge's condition and risk management strategies will be crucial in ensuring its continued operation and safety for the surrounding community.
Year Completed |
1901 |
Dam Length |
827 |
Dam Height |
51 |
River Or Stream |
Chicopee River |
Primary Dam Type |
Masonry |
Surface Area |
185 |
Drainage Area |
664 |
Nid Storage |
3200 |
Outlet Gates |
Vertical Lift - 1 |
Hazard Potential |
High |
Foundations |
Rock |
Nid Height |
51 |
Seasonal Comparison
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Dam Data Reference
Condition Assessment
SatisfactoryNo existing or potential dam safety deficiencies are recognized. Acceptable performance is expected under all loading conditions (static, hydrologic, seismic) in accordance with the minimum applicable state or federal regulatory criteria or tolerable risk guidelines.
Fair
No existing dam safety deficiencies are recognized for normal operating conditions. Rare or extreme hydrologic and/or seismic events may result in a dam safety deficiency. Risk may be in the range to take further action. Note: Rare or extreme event is defined by the regulatory agency based on their minimum
Poor A dam safety deficiency is recognized for normal operating conditions which may realistically occur. Remedial action is necessary. POOR may also be used when uncertainties exist as to critical analysis parameters which identify a potential dam safety deficiency. Investigations and studies are necessary.
Unsatisfactory
A dam safety deficiency is recognized that requires immediate or emergency remedial action for problem resolution.
Not Rated
The dam has not been inspected, is not under state or federal jurisdiction, or has been inspected but, for whatever reason, has not been rated.
Not Available
Dams for which the condition assessment is restricted to approved government users.
Hazard Potential Classification
HighDams assigned the high hazard potential classification are those where failure or mis-operation will probably cause loss of human life.
Significant
Dams assigned the significant hazard potential classification are those dams where failure or mis-operation results in no probable loss of human life but can cause economic loss, environment damage, disruption of lifeline facilities, or impact other concerns. Significant hazard potential classification dams are often located in predominantly rural or agricultural areas but could be in areas with population and significant infrastructure.
Low
Dams assigned the low hazard potential classification are those where failure or mis-operation results in no probable loss of human life and low economic and/or environmental losses. Losses are principally limited to the owner's property.
Undetermined
Dams for which a downstream hazard potential has not been designated or is not provided.
Not Available
Dams for which the downstream hazard potential is restricted to approved government users.
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