Memorial Covered Bridge, St. Marys, OHMemorial Covered Bridge, St. Marys, OHMemorial BridgeEldean Covered Bridge near Troy, OHEldean Covered Bridge near Troy, OHEldean Bridge, 1860Eldean Bridge, 1860Eldean Bridge, 1860Spencerville Covered Bridge, Spencerville, IN 1873Spencerville Covered Bridge, Spencerville, IN 1873Spencerville Bridge 1873Spencerville Bridge 1873Spencerville Bridge 1873Spencerville Bridge 1873Spencerville Bridge 1873Ada Covered Bridge, Ada, MIAda BridgeAda BridgeGuth's Bridge, So. Whitehall Township, PAGuth's Bridge, So. Whitehall Township, PA