The Scope of Work for this Contract is to remove and dispose the existing three spans (6.1 m – 8.5m – 6.1m) precast concrete girder bridge on timber piles and to supply, set up and drive galvanized and plain steel H piles at abutments and piers, SPCS abutments backwalls and wingwalls including new steel H-piles abutment and pier caps with stiffener plates, Class 1 heavy rock riprap, fabrication, delivery and erection of three spans (8m-14m-8 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.