Hwy 89 Road Dam
Hwy 89 Road Dam is an earth dam located in Harlan County, Nebraska, built in 1960. It carries a Low hazard potential classification and has a poor condition assessment.
About Hwy 89 Road Dam
Hwy 89 Road Dam is a dam in Harlan, Nebraska. The dam is owned by Nebraska Department Of Transportation (state). It impounds the Tr-prairie Dog Creek.
The dam stands 21 feet tall and stretches 750 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 96 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1960, the structure is well into its service life at over 50 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 07/24/2023.
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Location
| State | Nebraska |
| County | Harlan |
| Nearest City | None |
| River/Stream | Tr-prairie Dog Creek |
| Coordinates | 40.05313, -99.45601 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 750 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 96 acre-ft |
| Max Storage | 96 acre-ft |
| Normal Storage | 4 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Other |
| Owner | Nebraska Department of Transportation |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 07/24/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE07769 |
| Federal ID | NE07769 |
| More Info | State Dam Safety Program |