FIG. 1 is a perspective view of a molded plastic arch unit for a culvert or bridge showing our new design;
FIG. 2 is a side view, the opposite side view being a mirror image;
FIG. 3 is a top view thereof;
FIG. 4 is a bottom view thereof;
FIG. 5 is an end view thereof; and,
FIG. 6 is an opposite end view.
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