Completed in August 1995, the new $152.8-million, twin-span Acosta Bridge spanning the St. Johns River in downtown Jacksonville, Fla., required more than 46,000 cubic yards of concrete, most of which was pumped from a river barge. Bids for competitive steel and concrete designs were submitted. Though steel construction was chosen for the bridge approaches, general contractor Recchi America won the contract for the over-the-river portion of the bridge with a design that called for balanced cantilever construction of a cast-in-place, box girder bridge. Recchi America decided to pump most of the concrete for the bridge's footings, pier columns, pier tables, and segments from a barge in the river. Concrete was ferried from shore to the pump barge by two or more shuttle barges that carried ready mix trucks (as many as three on each barge).