TULSA, Okla., - The U.S. Army Corps of Engineers, Tulsa District, announced Feb. 13, a change to the start date for an upcoming lane restriction on the State Highway 151 bridge over Keystone Dam in Sand Springs, Okla., Feb. 23.<br />
The lane closure will last between two and three weeks to facilitate soil and rock core sampling around Keystone Dam.<br />
The lane restriction was originally slated to begin Feb. 17 and last until March 9.
The U.S. Army Corps of Engineers, Tulsa District has extended the public comment period for the Keystone Master Plan Draft Supplement to Feb. 23, 2026.
TULSA, OK – The U.S. Army Corps of Engineers today announced that State Highway 151 will be restricted to one lane of traffic over Keystone Dam from Feb.13 through March 9, 2026.
*This Public Notice has been updated to reflect an extension to the public comment period. The New Public Comment end date is February 23, 2026.
The U.S. Army Corps of Engineers, Tulsa District released the draft supplement to the Keystone Lake Master Plan, Jan. 26, 2026.
The 15-day public comment period for the supplement begins, Feb. 2 and ends Feb. 23, 2026.
Comments must be submitted in writing by Feb. 9, 2026.
A transport vessel heads toward a drilling platform operated by contractors taking rock core samples in the stilling basin below Keystone Dam near Sand Springs, Okla., Dec. 17, 2025. The U.S. Army Corps of Engineers, Tulsa District announced, Feb. 13, that a scheduled lane closure on the State Highway 151 Bridge over Keystone Dam, to allow soil and rock core sampling, has been rescheduled and will begin Feb. 23, 2026. The lane closure will last between two and three weeks.
Just hours before the Jan. 23 Winter Storm hit Tulsa and surrounding areas, U.S. Army Corps of Engineers, Tulsa District Senior Controller, Nick Hicks was on duty, waiting for the call to activate hydropower units if power was needed from the Fort Gibson Powerhouse in Fort Gibson, Okla.
U.S. Army Corps of Engineers, Tulsa District powerhouse personnel are responsible for maintaining and activating hydropower units when the grid needs peak power.
Fort Gibson is one of eight Tulsa District powerhouses that can provide peak power to the electric grid in 15 minutes or less. Their efforts help ensure municipalities and end users have electricity when demand is highest.
