Work Continues on Tenkiller Bridge

U.S. Army Corps of Engineers replaces aging bridge connected to Tenkiller Dam

Mar. 11, 2026 at 4:11pm

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Construction workers with Kiewit are working to replace the U.S. Highway 100 bridge near Gore, Oklahoma that is connected to the Tenkiller Dam. The existing bridge is being completely removed and replaced with a new concrete structure as the Corps of Engineers works to ensure long-term safety and reliability of the bridge over the active spillway.

Why it matters

The Tenkiller Dam bridge is a critical piece of infrastructure that provides flood risk reduction and hydropower generation. Replacing the aging structure is necessary to maintain the integrity of the dam and ensure public safety.

The details

The U.S. Army Corps of Engineers is overseeing the bridge replacement project, which involves removing the existing structure and installing new torque shafts and a concrete bridge. The work is taking place over an active spillway while the dam continues to operate.

  • Construction began in February 2026.
  • The new bridge is expected to be completed later in 2026.

The players

Kiewit

The construction company performing the bridge replacement work.

U.S. Army Corps of Engineers

The federal agency overseeing the Tenkiller Dam bridge replacement project.

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What’s next

The Corps of Engineers will continue construction on the new Tenkiller Dam bridge throughout 2026 with the goal of completing the project and opening the new structure to traffic by the end of the year.

The takeaway

Replacing aging infrastructure like the Tenkiller Dam bridge is critical to maintaining public safety and the integrity of important flood control and hydropower facilities. The Corps of Engineers is carefully managing this complex project to ensure the new bridge meets high standards for long-term reliability.