National Historic Landmark · Relay, Maryland
Thomas Viaduct, Baltimore & Ohio Railroad
A listed structure in Relay, Maryland, built 1835. Added to the National Register in 1966, and a National Historic Landmark.
The record
| Property type | Structure |
| Address | Over the Patapsco River between Relay and Elkridge, Relay, MD |
| County | Baltimore County |
| Listed | Oct 15, 1966 |
| Reference number | 66000388 |
| Built | 1835 |
| Designations | National Historic Landmark, Historic Civil Engineering Landmark |
| Contributing resources | 1 structures |
The nomination form, the document that argues why this place matters, is in the National Archives: Read the nomination ↗
Listing on the Register does not open the door. Unless a museum or park runs it, treat this as private property and see it from the sidewalk.
Where it is
| Street | Over the Patapsco River between Relay and Elkridge |
| Coordinates | 39.22199, -76.71321 · Directions ↗ |
Explore
Why you would stay
Map
Map © OpenStreetMap contributors · Larger map ↗
Reference
Exists because it is true
Sources
Location, dates, type and contributing counts come from the National Park Service's National Register spatial data. Construction date, architect, style, photograph and encyclopedia link come from Wikidata and Wikimedia Commons, matched on reference number 66000388. Nothing here is transcribed by hand.