the total length of the bridge is , which is made up of a western highrise section and an eastern trestle section. of fill were used at the hayward end to reclaim land for placing the toll plaza and administrative buildings. the eastern trestle span was built on 4,840 prestressed hollow concrete piles, each long. the contractor built a casting yard in richmond to produce the concrete piles continuously. the new eastern trestle span was completed in 1963 and traffic over the existing 1929 bridge was moved over to it.