NEW YORK (Standard&Poor's) Jan. 11, 2016--Standard&Poor's Ratings Services has assigned its 'AA-' long-term rating to the Triborough Bridge and Tunnel Authority (TBTA), N.Y.'s series 2016A general revenue bonds. At the same time, Standard&Poor's affirmed its ratings on the authority's debt outstanding. The outlook is stable. "The ratings on the bonds reflect our view of the TBTA's consistently strong historical financial performance and service essentiality, and our expectation that the authority will maintain combined debt service coverage (DSC) at levels adequate for the rating," said Standard&Poor's credit analyst Joseph Pezzimenti. Approximately $300 million of the series 2016A bonds proceeds will finance bridge and tunnel projects. The proposed bonds' par amount is subject to