St. Clair River Tunnel
Rail tunnel between the US and Canada in Port Huron, Michigan. Built 1891. Added to the National Register in 1970, and a National Historic Landmark.
What it is
The St. Clair Tunnel is the name for two separate rail tunnels which were built under the St. Clair River between Sarnia, Ontario and Port Huron, Michigan. The original opened in 1891 and was the first full-size subaqueous tunnel built in North America. It was replaced by a new larger tunnel in 1994. It is a National Historic Landmark of the United States, and has been designated a civil engineering landmark by both US and Canadian engineering bodies.
Text from Wikipedia, CC BY-SA 4.0.
The record
| Property type | Structure |
| Address | St. Clair River between Port Huron, Michigan and Sarnia, Ontario, Port Huron, MI |
| County | St. Clair County |
| Listed | Oct 15, 1970 |
| Reference number | 70000684 |
| Built | 1891 |
| Type of place | railway tunnel, international tunnel |
| Designations | National Historic Landmark, Historic Civil Engineering Landmark |
| Contributing resources | 3 structures |
The nomination form, the document that argues why this place matters, is in the National Archives: Read the nomination ↗
Visiting
| Address | St. Clair River between Port Huron, Michigan and Sarnia, Ontario, Port Huron, MI |
| Coordinates | 42.95829, -82.41042 · Directions ↗ |
| Nearest national park unit | River Raisin National Battlefield Park · 87 mi · on Park Atlas |
Explore
Map
Reference
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 70000684. Nothing here is transcribed by hand. The description under "What it is" is the opening of the Wikipedia article, CC BY-SA.