At first glance, this looks like a traditional Pratt through truss. Yet, it has some bizarre hip verticals. I don't recall seeing ones like these before.
The third previously unphotographed and in this case unknown bridge we were able to track down on Saturday. Great old bridge, very much hidden in the forest, a little bit more north of 245th Street than is pinned on the map
KSHS Page with photograph.
http://khri.kansasgis.org/index.cfm?tab=details&in=139-0000-...
Status is unknown.
Just posted a YouTube clip of our 2016 visit, search "KANSAS OLD BRIDGE HUNT - abandoned, 1910-built Osborne Rd. Bridge"