The Spanish construction firm ACS is tendering for the construction and operation of four bridges in the US. The firm is tendering in partnership with some other US and international firms for some of the projects, which are worth a total of US$11.4 billion. The Tappan Zee project is expected to cost $5 billion and the deal will be for a design and construction contract. The bridge will be located in New York, is being developed by New York State Thruway Authority and will require two, four-carriageway brid