Soli Deck is an engineered precast concrete slab used commonly in bridge deck applications. Soli Deck is available in various thickness from 1′-0″ to 1′-3″ and up to 4′-0″ in width and comes standard with a broom finish top surface and a cast in sheer key. Voided slab is an engineered precast concrete slab used commonly in bridge deck applications. Voided Slab is available in various thickness and standard 4′-0″ width and comes standard with a broom finish top surface and a cast in sheer key. Tri Deck bridge deck is an innovative engineered precast concrete slab used commonly in longer span bridge deck applications requiring a lower profile. TRI DECK is an adjustable width, multi-stemmed unit designed for full deck use. Its versatility allows economic spans between 36′ and 65′.