Twin Bridges
Twin Bridges is an earth dam located in Oklahoma County, Oklahoma, built in 1970. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Twin Bridges
The primary purpose of Twin Bridges is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by 4 Strong Winds (private). It impounds the Tr-coffee Creek near Edmond.
The dam stands 23 feet tall and stretches 780 feet across, creates a reservoir covering 8 acres, and has a maximum storage capacity of 155 acre-feet. Completed in 1970, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 12/06/2019.
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Location
| State | Oklahoma |
| County | Oklahoma |
| Nearest City | Edmond |
| River/Stream | Tr-coffee Creek |
| Coordinates | 35.70357, -97.46282 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Dam Length | 780 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 155 acre-ft |
| Max Storage | 155 acre-ft |
| Normal Storage | 101 acre-ft |
| Surface Area | 8 acres |
| Max Discharge | 1,440 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Recreation |
| Owner | 4 STRONG WINDS |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 12/06/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK11068 |
| Federal ID | OK11068 |
| More Info | State Dam Safety Program |