Bradshaw Detention Dam #4

BRADSHAW GULCH· Custer, Idaho· Built 1967· Gravity·
Low Hazard Flood Risk Reduction Federal Government

Key Takeaway

Bradshaw Detention Dam #4 is classified as low hazard in Idaho. It was completed in 1967 and is 59 years old. Its primary use is flood risk reduction.

Physical Details

Dam Length446 ft
Dam TypeGravity
Max Storage120 acre-ft
Normal Storage21 acre-ft
Surface Area21 acres
Drainage Area10 sq mi
Max Discharge574 cfs
Year Completed1967 (59 years old)
NID IDID00424

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

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

Emergency Action Plan: No
Last Inspection: July 12, 2007
State Regulated: Yes
Regulatory Agency: IDWR

Ownership

DOI BLM

Federal Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Bradshaw Detention Dam #4?

Bradshaw Detention Dam #4 is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Bradshaw Detention Dam #4?

Bradshaw Detention Dam #4 is owned by DOI BLM (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Bradshaw Detention Dam #4 built?

Bradshaw Detention Dam #4 was completed in 1967, making it 59 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 Bradshaw Detention Dam #4?

Bradshaw Detention Dam #4 serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

When was Bradshaw Detention Dam #4 last inspected?

Bradshaw Detention Dam #4 was last inspected on July 12, 2007. 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.