The Interstate 20 and Interstate 126 bridges over the Broad River were closed Sunday afternoon. Authorities did not know when they would be reopened.
Department of Transportation traffic counts show about 100,000 vehicles cross the I-20 bridge every day, and an additional 70,000 vehicles use the I-126 bridge.
The state Department of Transportation says at least 211 state roads and 43 bridges across South Carolina are closed due to record flooding in parts of the state.
The mayor of Charleston, South Carolina, says the flooding that hit the picturesque southern city over the past few days is the worst he has ever seen — even worse that the crippling inundations from Hurricane Hugo.
Charleston Mayor Joseph P. Riley Jr. told The Associated Press that the torrential rain is over and that about an inch of rain or slightly more is forecast for the next 24 hours.
Moderate rainfall and a low tide that is expected Sunday night is raising hopes that the city's water woes will soon pass.
Riley said he expects city offices to be open Monday.
The city towed 75 cars from the water during the storm.
Riley, mayor for 40 years, says he has never seen flooding as in the past couple of days, not even in the city after Hurricane Hugo in 1989.
