More than half of the bridges in the United States are now rated ... or grating and can be covered with asphalt, concrete, or some other type of pavement. Regular maintenance of the deck is ...
It's 12 years old now, *** little over half. Bridges in the US ... or grating and can be covered with asphalt, concrete, or some other type of pavement. Regular maintenance of the deck is crucial ...
More than half of the bridges in the United States are now rated as "fair ... timber, or grating and can be covered with asphalt, concrete, or some other type of pavement. Regular maintenance of the ...
More than half of the bridges in the United States are now rated ... These are usually made of concrete, steel, timber, or grating and can be covered with asphalt, concrete, or some other type ...
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