I-280 Culvert Replacement (EA 04-0V250)

Caltrans proposes removing and replacing a culvert system on the Interstate I- 280 southbound separation to State Route SR- 87 in Santa Clara County from post mile PM R2.8 to R3.0. There is a substantial amount of water seeping through the pavement and depressed areas between the two drainage inlets Dis on the asphalt concrete AC pavement. Based on visual inspections of the site and review of the as-builts, the settlement and cracks is likely due to the failure of the underdrain pipes. The under...