Herman Haupt

of Philadelphia, Pennsylvania
NS - Allegheny Tunnel (Blair County, Pennsylvania)
Co-Chief Engineer, 1854
Tunnel under Allegheny Mountains on Norfolk Southern Railway (formerly PRR)
Open to traffic

PRR - Ronks Haupt Bridge (Lancaster County, Pennsylvania)
Designer, 1851
Haupt through truss bridge over Amtrak (former PRR) on Private farm road
In Storage

PRR - Thompsontown Haupt Bridge (Blair County, Pennsylvania)
Built 1854
Haupt pony truss
Restoration underway off prperty.