The first of its kind for an Ohio State Park, this unique glass walkway will transform the way visitors experience the beauty ...

These products serve as perfect substitutes for aluminum or steel gratings in corrosive environments, or in places where walkway replacement and frequent grating costs are not good enough (Figure 1).

The walkway mixes cast-in-place concrete and steel-bar grating. Cast-in-place concrete planters support soil and vegetation up to 30 in. deep. At the west end, the walkway is accessed by an ...

A: In their heyday in the 1940s and ’50s, open-grate steel bridges were popular as a lightweight, inexpensive way to build bridges in a booming postwar America — particularly, perhaps ...