HOUSTON, Texas (KTRK) -- CenterPoint Energy is warning of two ramp closures along I-45 and I-69 happening through Saturday.

The company said the closures include the I-45 northbound exit ramp to I-69 northbound and the I-69 southbound exit ramp to I-45 southbound.

The ramps closed on Wednesday, Aug. 26, at 10 p.m. and will reopen Saturday, Aug. 29, at 5 a.m. CenterPoint said the closures are needed for crews to install an overhead transmission line that runs parallel to Bell Street.