Us 77 Road Fill Dam
Us 77 Road Fill Dam is an earth dam located in Riley County, Kansas, built in 1967. It carries a High hazard potential classification and has a poor condition assessment.
About Us 77 Road Fill Dam
Us 77 Road Fill Dam is a dam in Riley, Kansas. The dam is owned by Kansas Dept Of Transportation (state). It impounds the North Otter Creek-tr.
The dam stands 29 feet tall and stretches 1,455 feet across, creates a reservoir covering 1 acres, has a maximum storage capacity of 234 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1967, the structure is well into its service life at over 50 years old.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. An emergency action plan is in place for this dam. The most recent inspection on record was 04/21/2023.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Kansas dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Kansas |
| County | Riley |
| River/Stream | North Otter Creek-tr |
| Coordinates | 39.53232, -96.75425 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 29 ft |
| Dam Height | 29 ft |
| Dam Length | 1,455 ft |
| Year Completed | 1967 (59 years old) |
Storage & Hydraulics
| NID Storage | 234 acre-ft |
| Max Storage | 234 acre-ft |
| Normal Storage | 9 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Other |
| Owner | KANSAS DEPT OF TRANSPORTATION |
| Owner Type | State |
| Hazard Classification | High |
| Condition Assessment | Poor |
| Last Inspection | 04/21/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | KS01815 |
| Federal ID | KS01815 |
| More Info | State Dam Safety Program |