Cobbs Creek Footbridge
Photo from gophilly
License: Creative Commons Attribution-Share-Alike (CC BY-SA)
View this photo at gophillygo.org
BH Photo #489242
Thanks Geoff, its fixed now!
The later post is the correct location, I'll try to delete the first one.
Wow, it appears this extremely rare lenticular pony truss has slipped under the radar all these years!