The eastbound platform of the <a href="https://en.wikipedia.org/wiki/Junius_Street_(IRT_New_Lots_Line)" class="extiw" title="w:Junius Street (IRT New Lots Line)">Junius Street Subway Station</a> of the <a href="https://en.wikipedia.org/wiki/IRT_New_Lots_Line" class="extiw" title="w:IRT New Lots Line">IRT New Lots Line</a> in Brooklyn. This picture was taken from the westbound platform, of course. The "bridge" that you see here is actually over the station house, which is over Livonia Avenue between Sackman and Powell Streets.
<a href="//commons.wikimedia.org/wiki/User:DanTD" title="User:DanTD">DanTD</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>