Yes, Ive always assumed its one of those, but why is it so different? And I only see these at old sites along the old RRs, all rusty like this. It would be interesting to know what time period they came from. 1800s, early 1900s? Im thinking somewhere in the 1900s, and they may not be all that old, but like I said, you only see them along old RRs. And thank you for your response.
....Howdy Old Pueblo . . .
I'm sure it's not part of an iron rail system but Does look familiar as an early WOODEN RAIL system . The "rails" were actually soft or hardwoods dependant on the region and topped with iron flat stock . With the offset holes , this reminds me of the TIMBER TIES that kept the ends firmly aligned . While never seeing the early steam wooden rails (1820/30) in person , I have seen mine rails (1820/30) built this way using carriage bolts (your square holes) and assuming broken in about half .
Surely it could be from a myriad of things .... this is my best recollection.