The Scope of Work for this Contract is to remove and dispose the existing single span precast concrete girder bridge on timber piles and to supply, set up and drive galvanized and plain steel H piles at abutments, SPCS abutments backwalls and wingwalls including new steel H-piles abutment caps with stiffener plates, Class 1 heavy rock riprap, fabrication, delivery and erection of 12 m and 14 m long type SL-510 prestressed girders, backfill at bridge ends, supply and installation of new TL-2 low height thrie beam bridgerail and approach rail transition, approach road guardrail, roadway work, and supply and installation of silt fence.