Wernwag truss
BO - Harper Ferry Bridge (Jefferson County, West Virginia)
Built in 1836; Burned 1861, 2 months after the start of the Civil WarLost Through truss bridge over Potomac River on Former B&ODestroyed by disaster
Seymour Covered Bridge (Ross County, Ohio)
Built 1840, Replaced 1933-4Lost Wernwag Truss Bridge over Paint Creek on US 50Replaced by a new bridge after abutment failure in 1933.
US50 Cheat River Covered Bridge 48-39-01x (Preston County, West Virginia)
Built in 1835 by Josiah Kidwell, bypassed by a new bridge in 1932, destroyed by fire in 1964.Lost Bridge over Cheat River on U.S. Route 50Destroyed by fire in 1964