The Brilliant Cutoff Viaduct of the Pennsylvania Railroad is located along Washington Boulevard in the Lincoln-Lemington-Belmar/Homewood neighborhoods of Pittsburgh, Pennsylvania. It carries the Brilliant Branch, a small connector railway, and was built in 1902. It was added to the List of Pittsburgh History and Landmarks Foundation Historic Landmarks in 2003.

• List of bridges documented by the Historic American Engineering Record in Pennsylvania

• Historic American Engineering Record (HAER) No. PA-555, "Pennsylvania Railroad, Brilliant Cut-Off, South Wye, Linden Avenue at Frankstown Avenue, Pittsburgh, Allegheny County, PA", 1 photo, 4 data pages, 1 photo caption page
• Brilliant Cutoff Viaduct over Silver Lake at Pghbridges.com
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