Repurposed Appalachia Series – Tracks Across the Sky: The Kinzua Bridge, the 2003 Tornado, and Pennsylvania’s Great Viaduct Ruin If you follow U.S. Route 6 across the northern tier of Pennsylvania, the road climbs into a high plateau of hardwood ridges, gas wells, and old company towns that locals call the PA Wilds. Near the little borough of Mount Jewett, a side road turns off toward a narrow valley where steel once walked across the sky.




