Hwy 89 Road Dam

TR-PRAIRIE DOG CREEK· Harlan, Nebraska· Built 1960· Earth· 21 ft tall
Low Hazard Other Flood Risk Reduction State Government

Key Takeaway

Hwy 89 Road Dam is classified as low hazard in Nebraska. It was completed in 1960 and is 66 years old. Its primary use is other.

Physical Details

Dam Height 21 ft (taller than 32.5% in NE)
Dam Length750 ft
Dam TypeEarth
Max Storage96 acre-ft
Normal Storage4 acre-ft
Surface Area3 acres
Drainage Area1 sq mi
Year Completed1960 (66 years old)
NID IDNE07769

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 24, 2023
State Regulated: Yes
Regulatory Agency: NE DNR

Ownership

Nebraska Department of Transportation

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Hwy 89 Road Dam?

Hwy 89 Road Dam 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 Hwy 89 Road Dam?

Hwy 89 Road Dam is owned by Nebraska Department of Transportation (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Hwy 89 Road Dam built?

Hwy 89 Road Dam was completed in 1960, making it 66 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 Hwy 89 Road Dam?

Hwy 89 Road Dam serves the following purposes: Other, Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Hwy 89 Road Dam?

Hwy 89 Road Dam has a dam height of 21 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 Hwy 89 Road Dam last inspected?

Hwy 89 Road Dam was last inspected on July 24, 2023. 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.