Various lanes on Interstate 45 will be closed from 6 a.m. to 2 p.m. today while crews pour a bridge slab at the Magnolia Bayou overpass in League City, officials said.
At the northbound main lanes of I-45, one outside lane will be closed from FM 517 to SH 646.
At the northbound frontage road of I-45, one inside lane will be closed at Magnolia Bayou.
The northbound entrance ramp of I-45 from FM 517 will be closed. A possible detour will be open to continue on the northbound frontage road to the next entrance ramp.
The northbound SH 646 exit ramp of I-45 will be closed. The I-45 northbound FM 517 exit ramp is a possible detour available to use.
The above closure will change to Sunday in the event of any inclement weather or other unforeseen circumstances, officials said.