The truss is related to the Pengram. It consists of sloping struts like a Howe truss, and sloping tension rods like a Pratt truss with a polygonal top chord. It seems these were built only by the Indiana Bridge Company of of Muncie, Indiana.
Peterson Ford Bridge
(Delaware County, Indiana)Built 1902; rehabilitated 1985Through truss bridge over Mississinewa River on CR 850 North2018 Flood did damage. Hopefully will be repaired
Seven Mile Road Bridge
(Preble County, Ohio)Built 1906 by the Indiana Bridge Co. of Muncie, In., Restored 2014-15Polygonal Warren through truss bridge over Seven Mile Creek on TR 331Restored and open to traffic