Wikimedi'Òc

Interstate 77 grade separation structure. This 377 four span structure, built in 1974, is typical of most interstate bridges built in America in recent years, except for its HAER NC,11-ASHV.V,2-92.tif - Fæ

Virginia Route 608 grade separation structure. Detail of the scored wing walls and T beams. Looking southeast. - Blue Ridge Parkway, Between Shenandoah National Park and Great HAER NC,11-ASHV.V,2-91.tif - Fæ

Virginia Route 608 grade separation structure. Built in 1966, this concrete slab structure is typical of several with scored wing walls. These were only used on secondary state HAER NC,11-ASHV.V,2-90.tif - Fæ