National Register of Historic Places

St. Clair River Tunnel

St. Clair River Tunnel is a historic place in Port Huron, St. Clair County, Michigan, listed on the United States National Register of Historic Places on October 15, 1970, and designated a National Historic Landmark. Its National Register reference number is 70000684.

Port Huron, St. Clair County, MichiganListed October 15, 1970NRIS #70000684★ National Historic Landmark
Photograph of St. Clair River Tunnel
Photo: St. Clair River Tunnel via Wikimedia Commons — see the file page for author and license. Image source
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Location 01

St. Clair River Tunnel

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About this place

What is St. Clair River Tunnel?

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.

Source: Wikipedia, text available under CC BY-SA 4.0.

The record

Listing details

Name
St. Clair River Tunnel
City
Port Huron
County
St. Clair County
Listed on the National Register
October 15, 1970
NRIS reference number
70000684
Resource type
structure
National Historic Landmark
Yes
Coordinates
42.95829, -82.41042
When was St. Clair River Tunnel listed on the National Register?

St. Clair River Tunnel was added to the National Register of Historic Places on October 15, 1970.

Where is St. Clair River Tunnel located?

St. Clair River Tunnel is located in Port Huron, St. Clair County, Michigan at approximately 42.95829, -82.41042. See the map above.

Is St. Clair River Tunnel a National Historic Landmark?

Yes. St. Clair River Tunnel is designated a National Historic Landmark, the highest federal recognition for a historic place.