<P> A 2006 study determined that Pittsburgh has 446 bridges , and with its proximity to three major rivers and countless hills and ravines , Pittsburgh is known as `` The City of Bridges '' . The city of Pittsburgh and Allegheny County are the largest owners of great bridges in the country , in proper proportion to their size , with the possible exception of the City of New York , which is built on an island and surrounded by large bodies of water . </P>
<P> A 2006 study determined that Pittsburgh has 446 bridges , and with its proximity to three major rivers and countless hills and ravines , Pittsburgh is known as `` The City of Bridges '' . The city of Pittsburgh and Allegheny County are the largest owners of great bridges in the country , in proper proportion to their size , with the possible exception of the City of New York , which is built on an island and surrounded by large bodies of water . </P>
how many bridges in the city of pittsburgh
how many bridges in the city of pittsburgh
446
446