The big green beam that arrived was part of a delta frame — steel triangles that support the top girders to form the steel supports of the bridge. Surrounded by a motorcade, an oversized truck ...
CONSTRUCTED. >> WE ARE IN BLAIR COUNTY AND THIS IS THE PLANT RESPONSIBLE FOR MAKING THE BEAMS HEADED TO FERN HOLLOW. THIS IS ONE OF THEM. THESE ARE HIGH-PERFORMANCE CONCRETE BEAMS. IT IS ABOUT 155 ...
You may have seen them coming down Interstate 90, riding at about 45 mph with an Illinois State Police escort like visiting dignitaries. They are concrete beams, each measuring as much as 71/2 feet ...
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