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Show LONG ROADWAY OF CONCRETE Remarkable Example of Uses of That Material in California Cost Almost $395,000. Under supervision of the. California state highway commission there has just been completed the loagssl coo Crete roadway In the world, a remarkable remark-able example of the uses of that material. ma-terial. It Is a little more than three miles long, a trestle construction, and COSl almost 1808,000, The trestle Is L".i feci high SOd was built In units with a roadway III feet wide. If Is supported sup-ported on reinforced concrete piles. eacb weighing from three to five tons, and the BOOT is made of "pro cast" slabs. All tile parts were put together togeth-er so carefully that the completed Structure is practically a monolith. |