The largest residential development so far in Manteca history — and one that is slowly changing the city’s demographics —is the progression of an idea launched nearly 60 years ago by a Fresno native.The 1,406-home Woodbridge at Manteca by Del Webb neighborhood is nearing completion north of Lathrop Road between Airport Way and Union Road.It might surprise the founder of the original housing firm and creator of the Sun City concept to see a Del Webb community in the San Joaquin Valley of all places.Del Webb bornin Fresno in 1899Delbert Eugene Webb was born in Fresno, on May 17, 1899. He was the first son of Ernest and Henrietta Webb. Both his parents came from California Pioneer backgrounds.