High-triangular truss

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 1985
IBCo. High-Triangular through truss bridge over Mississinewa River on CR 850 North

Seven Mile Road Bridge (Preble County, Ohio)
Built 1906 by the Indiana Bridge Co. of Muncie, In., Restored 2014-15
Polygonal Warren through truss bridge over Seven Mile Creek on TR 331
Restored and open to traffic