40.29' - At levels above 40.3 feet, major lowland flooding continues as the Heights Boulevard bridge is inundated.<br><br>38.5' - At levels above 38.5 feet, major lowland flooding continues as the I-45 main lanes north of I-10 are inundated.<br><br>36' - At levels above 36.0 feet, major lowland flooding begins as apartments along White Oak Drive begin flooding. The I-45 southbound ramp to I-10 West is under 2.5 feet of water and the I-10 eastbound feeder road west of Studemont is inundated. The I-45 main lanes north of I-10 are close to being flooded.<br><br>33.5' - At levels above 33.5 feet, moderate lowland flooding begins as the southbound ramp to I-10 West floods.<br><br>29' - At levels above 29.0 feet, minor lowland flooding begins as water escapes the main channel and floods White Oak Drive between Taylor Street and I-10.<br><br>