We came across this during our daytrip the other day. En route to another historic feature in southeast Indiana we were driving through New Point in Decatur County. Here came a short tunnel up ahead on S Co. Road 850 East.

No clearance sign, maybe 12 feet max?

Detail of side abutments

The 1909 date stamp has seen better days

The active Central Railroad Company of Indiana tracks run over the road using this structure. What is this type of structure called? Is it an underpass? Is it an overpass? Bridge? Tunnel? Viaduct? I’ve heard these called all of these, and have yet to find a definitive answer to the question. Any highway, railroad buffs or others in the know are encouraged to chime in…