The two gantry cranes on I-481 are an engineering solution to a tricky construction dilemma. Picture two existing 2,100-foot long bridges side-by-side over a functioning railroad. The northbound and ...
The two gantry cranes on I-481 are an engineering solution to a tricky construction dilemma. Picture two existing 2,100-foot long bridges side-by-side over a functioning railroad. The northbound and ...
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