Traffic delays expected Friday on I-26 because of sinkhole repairs

Traffic backed up on Interstate 26 in both the eastbound (shown here) and westbound lanes Jedburg Thursday afternoon so that further temporary repairs could be made near a sinkhole that had developed. Buy this photo

A sinkhole on Interstate 26 near Ridgeville is expected to delay traffic Friday, but the extent of the slowdown will depend on how overnight repairs progress, officials said.

“Both eastbound and westbound lanes will be slow but they are not going to be shut down,” said James Law, spokesman for the state Department of Transportation.

Late this afternoon, both eastbound lanes had re-opened but the westbound passing lane remained closed and was expected to remain shut because a crane was located there. The eastbound fast lane could be closed Friday depending on how the work goes, he said.

The sinkhole in the eastbound passing lane was discovered July 5. It was filled with rocks and a steel plate was put over it. But the problem worsened so two truckloads of concrete were pumped into the sinkhole today, Law said.

Traffic backed up for at least seven miles on both sides of the interstate this afternoon because passing lanes in both directions were shut for the work, he said.

The sinkhole is at Mile Marker 192.5. How long the major repairs to the road will take was not certain.

“We don’t know the extent of the problem yet,” Law said.

The possibility of the same sort of problem in the westbound lanes is also a concern, he said.

The sinkhole affects the width of the eastbound fast lane, he said.

The crane in the closed westbound lane was being used for installation of sheet metal pilings and sheet planking, he said.

Heavy rains contributed to the formation of the sinkhole, he said.

The rains washed away soil beneath a 10-foot by 10-foot drainage culvert that is located under the interstate. The loss of soil beneath the culvert contributed to formation of the sinkhole, he said.

In South Carolina, sinkholes are relatively rare but they have been reported from time-to-time.

In May, Georgetown County Council hired a consultant to assess how much damage sinkholes caused to the county Judicial Center Complex and the Georgetown Library.

Sinkholes began appearing in Georgetown in late October 2011. At the time, up to 60,000 gallons of water per hour was being removed from the ground as part of a state DOT drainage project, the Georgetown Times reported.

Damage was also reported at several other county buildings, including the Department of Social Services, the Magistrate’s Office and the Winyah Gymnasium.

Eleven years ago, a 15-foot deep sinkhole opened on the edge of a dirt road near Rosinville in rural Dorchester County. Holes that were 10 feet to 40 feet wide near Harleyville and in Berkeley County near Jamestown have been reported.

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