The John T. McNaughton Bridge, also known as the Pekin Bridge, is a steel girder bridge that carries Illinois Route 9 over the Illinois River from downtown Pekin to Peoria County in central Illinois.

The John T. McNaughton Bridge was built in 1982 to replace a steel truss with a movable span.

[2] The bridge was constructed with a 75 foot clearance in order to allow river navigation, and it has a length of 2,634 feet.

[2] The bridge is named for John T. McNaughton, who was United States Assistant Secretary of Defense for International Security Affairs[3] and Robert S. McNamara's closest adviser during the Vietnam War.

He died in a plane crash at age 45, less than two weeks before he would have become Secretary of the Navy.