Brown Bridge Dam

Boardman River· Grand Traverse, Michigan· Built 1921· Earth· 46 ft tall
High Hazard Recreation Local Government

Key Takeaway

Brown Bridge Dam is classified as high hazard in Michigan. It was completed in 1921 and is 105 years old. Its primary use is recreation. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height 46 ft (taller than 95.7% in MI)
Dam Length2,400 ft
Dam TypeEarth
Max Storage2.8K acre-ft
Normal Storage1.7K acre-ft
Surface Area191 acres
Drainage Area151 sq mi
Max Discharge4,600 cfs
Year Completed1921 (105 years old)
NID IDMI00544

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: June 18, 2008
State Regulated: No

Ownership

City of Traverse City

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Brown Bridge Dam?

Brown Bridge Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Brown Bridge Dam?

Brown Bridge Dam is owned by City of Traverse City (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Brown Bridge Dam built?

Brown Bridge Dam was completed in 1921, making it 105 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

What is the primary purpose of Brown Bridge Dam?

Brown Bridge Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Brown Bridge Dam?

Brown Bridge Dam has a dam height of 46 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.

When was Brown Bridge Dam last inspected?

Brown Bridge Dam was last inspected on June 18, 2008. Inspection dates indicate when a formal review occurred, not the results of that inspection.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.