consulting company Duffield Associates saw some cracking in the soil around a large dirt pile dumped on the east side of the bridge the direction in which the columns are tilting. They then looked at the leaning columns and contacted transportation officials, said the firm's chairman, Jeff Bross.
Two employees of private geoscience consulting company Duffield Associates saw some cracking in the soils around a dirt pile, then looked at the columns and noticed that they appeared to be tilting, said the firm's chairman, Jeff Bross.