The Old Mill Road truss bridge over the Wickecheoke Creek is a historic Pratt truss bridge located in Delaware Township in Hunterdon County, New Jersey, United States. Built in 1899, it was added to the National Register of Historic Places on May 23, 2025, for its significance in engineering and transportation. It was listed as part of the Historic Bridges of Delaware Township, Hunterdon County, New Jersey Multiple Property Submission (MPS).
The skewed, single-lane, single-span bridge was built in 1899 by the Wrought Iron Bridge Company of Canton, Ohio. It was built with steel made by the Jones and Laughlin Steel Company of Pittsburgh, Pennsylvania. The bridge is the oldest of the four that cross the Wickecheoke Creek in Delaware and Kingwood Townships.