Etsusa Bridge
(https://www.baka-tsuki.org/project/thumb.php?f=Etsusa_Bridge_v01_cover.jpg&width=300)
Etsusa Bridge is a Japanese light novel series written by Narita Ryohgo and illustrated by Suzuhito Yasuda. It is currently complete with 4 volumes and 1 short story collection though the author has mentioned in interviews that he has considered doing another short story collection.
Set on a giant, almost finished bridge between Sadogashima and Niigata. Abandoned by the government, the bridge, and the giant man-made floating island at the center, has become a city of criminals and societal drop-outs.
Set in the same world as Durarara!!, but 15-20 years later.
Download:
Vol 1 http://sh.st/UvHdm
Vol 2 http://sh.st/UvHxB
Vol 3 http://sh.st/UvHEo
Vol 4 http://sh.st/UvHIE
Vol 5 (Coming soon)
Can someone make a PDF of 5656! - Knights' Strange Night? The translation is already there. I'd attempt it if I had time.