Piper & Shiffler Bridge Co.

California Avenue Bridge (Old) (Allegheny County, Pennsylvania)
Built 1889
Lost Linville-Piper Variant Whipple deck truss bridge over Woods Run on California Avenue
Replaced by a new bridge

PRR - Steubenville Bridge (1863) (Jefferson County, Ohio)
Built 1863
Lost Whipple through truss bridge over Ohio River on Pennsylvania Railroad
Replaced by a new bridge