Area of concrete pour
The area of Monday night’s concrete pour, south of the future Nobel Drive station. Courtesy SANDAG

Northbound Interstate 5 will close in La Jolla on Monday night for the largest concrete pour of the $2.17 billion Blue Line trolley extension from Old Town to University City.

The concrete pour for the deck of a trolley overpass south of Nobel Drive will require closure of northbound I-5 from state Route 52 to La Jolla Village Drive from 11 p.m. Monday to 5 a.m. Tuesday morning, and the partial closure of southbound I-5 from La Jolla Village Drive to Gilman Drive from 9 p.m. Monday to 5 a.m. Tuesday.

SANDAG said crews will pour 650 cubic yards of concrete 40 feet above the highway to form a 670-foot-long deck. It’s the final concrete pour over I-5.

The closures are part of the Mid-Coast Trolley project, which includes nine new stations over an 11-mile extension of trolley service by the San Diego Metropolitan Transit System.

The new stations will be at Tecolote Road, Clairemont Drive, Balboa Avenue, Nobel Drive, the VA Medical Center, Pepper Canyon serving the UC San Diego west campus, Voigt Drive serving the UC San Diego east campus, Executive Drive, and the final station at the Westfield UTC mall.

SANDAG is receiving $1.04 billion in funding from the Federal Transit Administration to complete the project. Trolleys are expected to begin running on the extension in 2021.

Chris Jennewein is Editor & Publisher of Times of San Diego.