Concrete in Ashborough — where the Ashley River set its record
Ashborough and Ashborough East sit on the Ashley River side of town, and after Debby in August 2024 the river crested at 25.31 feet and the neighborhood flooded for about a week. Concrete here is designed for water first.
Ashborough and Ashborough East are the established neighborhoods on Summerville's south side between Bacons Bridge Road and the Ashley River — 1970s–90s houses on big wooded lots, a golf course, the river and its swamp at the back. They're also the part of town the Ashley reaches first. When Tropical Storm Debby dropped 10 to 20 inches on Dorchester County in August 2024, the river at Cooke Crossroads crested at a record 25.31 feet, two and a half feet above the old record, and the National Weather Service's report singled out 'the Ashborough subdivision' for about a week of flooding. The October 2015 rain — 17 to 19 inches around Summerville — did the same. Dorchester County's flood maps (July 2017) put the low streets in a zone, the county requires finished floors two feet above base flood, and it just earned its first Community Rating System discount for flood management in February 2026.
Concrete in a neighborhood like this is about grading, drainage and the ground after the water leaves. Driveways and patios are pitched to move water away from the house and toward the street or a swale, never to pond against the foundation; aprons on the county roads get culverts sized for the ditch and set at the invert; slabs go on compacted stone over fabric because the soil under them is saturated for weeks after an event; and the sunk garage approaches and walk panels the floods leave behind get foam-lifted once the ground dries. An addition here has its floor height set by the flood map, not the existing house, and its foundation built to seismic D2 as well. We've worked Ashborough through two record floods; we know which streets go under.
What we do in Ashborough
Flood-aware grading
Every slab pitched to drain to the street or swale, away from the house; nothing that ponds at the foundation.
Culverts at the invert
County-road aprons with pipes sized for the ditch and set before anything's built.
Base for saturated ground
Compacted stone over fabric so the slab isn't floating on mud after the next Debby.
Post-flood leveling
Foam lifting for the garage approaches and walks that settle after the water drains.
Additions above flood
Finished floors two feet above base flood per the county; elevation certificates coordinated.
Easements
The drainage easements that carry the neighborhood's water are off-limits; we read the plat first.
Neighborhoods and areas we cover
- Ashborough
- Ashborough East
- Bacons Bridge Road corridor
- Ashley River side
- Miles Jamison Road area
- Ashborough golf area
- Old Fort / Dorchester Road side
- Twin Lakes area
- Bacons Bridge Road / SC 165
- Summerwood (east)
- Tranquil Estates
- Cooke Crossroads side
Concrete services available in Ashborough
- Driveways, aprons, culverts & encroachment permits, builder driveway replacement
- Patios, pool decks, stamped concrete, pervious concrete
- Walkways, shed, RV & generator pads, foundations & additions
- Repair & leveling, removal
Questions from Ashborough homeowners
Can concrete be made flood-proof?
Flatwork survives floods if it's on a solid base and drains; what fails is the base washing out underneath. We build the base and the grade for it, and we foam-lift what settles afterward.
My driveway sank after Debby. Replace it?
Maybe not. If the slab is sound and only sunk, foam lifting puts it back for a third of the price once the ground has dried. If it's cracked into pieces, replacement. We'll look.
Does my addition have to be raised?
If the lot is in a mapped flood zone, Dorchester County requires the finished floor two feet above base flood elevation — which can mean a crawlspace or a raised slab higher than the existing house. We check the map before quoting.
Who maintains the ditch in front of my house?
On a county road, the county maintains the ditch; the driveway pipe and apron are the homeowner's under the encroachment permit. Keeping the pipe clear is what keeps the apron.
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