New rules to ensure post quality. See this thread for details.
Real ID didn't exist until 2005.
There’s really not much to go on other than the tracks, which makes me think it may be an old footbridge around 30th st?
Did you try a reverse image search?
Based on this site, it looks like the 40th St. bridge:http://www.columbia.edu/cu/gsapp/BT/BSI/CABLE_ST/cable_st.html