Engineers to determine fix for failed Dorchester Road project - WCBD-TV: News, Weather, and Sports for Charleston, SC

Engineers to determine fix for failed Dorchester Road project

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Tuesday the Dorchester County Sales Tax Transportation Authority will release a progress report on road work around the County. Mr. Mark Pilgrim, Vice Chairman of the Authority, is expected to brief county council on the nearly two dozen projects underway.


One of those projects is the widening of Dorchester Road, which has been delayed because of weather, utility relocations, and failures with some of the new pavement structure. An investigation by engineering firm Davis & Floyd and the SCDOT determined base material for the road has a cement content below the specified amount. That isn't acceptable. A remediation plan for the base has been developed by the contractor, and it is being reviewed by Davis & Floyd and SCDOT. The remediation plan could start within a month at the expense of the contractor.

The issues pushed the completion date of the project back from November 2013 to March 2014.


  • Extends from US 17A to near Trolley Road, approximately 5 miles
  • Realigns Dorchester Road at US 17A to improve the intersection
  • Widens Dorchester Road from two to five lanes with 4' paved and 6' grass shoulders from US 17A to approximately 0.14 miles west of Orangeburg Road
  • Widens Dorchester Road from two to five lanes with curb & gutter and 10' multi-use sidewalk on the north side from Oak Drive to Trolley Road
  • Lengthens the culvert at Sawmill Branch


  • Continuation of utility relocations throughout project
  • Continuation of work on first noise wall
  • Continuation of work on various retaining walls
  • Additional base placement & asphalt paving should start soon
  • Drainage construction ongoing


With voter approval of the one-cent sales tax, the Dorchester County Sales Tax Transportation Authority implemented a program that includes 22 road improvement projects. Projects include constructing new roadways, widening existing major thoroughfares, paving 260 miles of dirt roads, improving intersections, resurfacing streets, and repairing sidewalks.


Completed Projects

2) US Route 78 - Phase 1

4) US Route 178

5) US Route 15

6) Central Avenue

7) Gahagan Road

8) Orangeburg Road - Phases 1 & 2

9) Resurface Streets in Town of Harleyville

10) Resurface Streets in Town of Ridgeville

11) Resurface Streets in Town of St. George

12) Old Fort Drive - Phase 1

13) Intersection Improvements at Robert Bosch Plant

15) Industrial Road & Clubhouse Road

16) SC Route 453

17) American LaFrance to Wescott

19) Patriots Boulevard

21) Lincoln Boulevard

22) Indigo Fields Subdivision





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