This bill designates a bridge, identified as Bridge Key 53911, which carries U.S. Route 222 over Cedar Creek in Allentown, Lehigh County, as the Mayor William L. Heydt Memorial Bridge. The legislation outlines the significant contributions of William L. Heydt, who served as the 39th Mayor of Allentown from 1994 until 2002, and highlights his dedication to the city's economic development, historic preservation, and various community organizations. The bill also notes his military service as a Marine Corps aviation electrician and his philanthropic efforts after leaving office.

To implement this designation, the Department of Transportation is tasked with erecting and maintaining appropriate signs that display the name of the bridge for traffic in both directions. The act is set to take effect 60 days after its passage.