A major infrastructure upgrade is underway at Tenkiller Dam as part of a newly awarded contract aimed at improving safety and reliability at the decades-old structure.
On May 15, the U.S. Army Corps of Engineers, Tulsa District, finalized a $28.7 million agreement with Kiewit Infrastructure South Co. to carry out a comprehensive overhaul of the dam’s spillway bridge.
The project will modernize critical components that have supported the region since the mid-20th century…