Christian,
The bridge you and the article are pointing to is this bridge in Connecticut: http://www.bridgehunter.com/ct/new-london/bh44676/ and by the way, those news articles about the bridge have been misleading. Its the oldest stone bridge in Connecticut, but not the USA. Choate Bridge http://www.historicbridges.org/massachusetts/choate/ and Frankford Avenue Bridge both have it beat: http://bridgehunter.com/pa/philadelphia/frankford-avenue/
This bridge was washed away by flooding. It was the oldest known free-standing stone bridge in America. Here is the article...