The Theodore Roosevelt Bridge (also known as the Teddy Roosevelt Bridge or the Roosevelt Bridge) is a bridge crossing the Potomac River which connects Washington, D.C., with the Commonwealth of Virginia. The bridge crosses over Theodore Roosevelt Island, and carries Interstate 66/U.S. Route 50. The center lane in the bridge is reversible; the middle barrier is moved with a barrier transfer machine. The bridge is named in honor of Theodore Roosevelt, the 26th President of the United States.