Those cloverleafs take up a lot of space.

Built in 1982 to replace the previous bridge that collapsed in 1977 during spring flooding. Click on the blue dot to bring up the full bridge record. 

According to state tax records, Griswold Heights was constructed around 1950. By 1952, most of the projects were done and as you can see from the 1952 aerial, few things have change in Griswold Heights in the past 70 years.

Troy, NY 1873. From the City Directory. Downloaded from the Library of Congress 

Explore Troy over the past 25 years in a series of state-aerial photos.