US-17 Combahee Bridge ReplacementBeaufort, SC
UIG's affiliate design firm, Coleman-Snow Consultants, designed the replacement of the US 17A bridge over the Combahee River and two overflow relief bridges over Combahee Swamp in Colleton and Hampton Counties. The main river bridge consisted of a new, 840 foot long, 14 span, type II prestressed concrete beam superstructure supported on drilled shaft foundations. The two overflow relief bridges consisted of 240 foot and 270 foot long, concrete flat slab bridges supported on 18 inch square prestressed concrete piling.
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