23 April 1973
| Benjamin Henry Latrobe, Benjamin Henry Latrobe, II|
Arlington Hotel, Ralph Hardesty Stone Ho, Adams‑Gray House, Salt Creek Covered Bridge
S Bridge II Wikipedia
"S" Bridge II is a historic S bridge near New Concord, Ohio, United States. A part of the National Road, the first federally-financed highway in the United States, it was built in 1828. In 1973, it was listed on the National Register of Historic Places.