Monday, November 1, 2021

1963 I-75 International Bridge over St. Marys River between Sault Ste. Maries

(Bridge Hunter; Historic BridgesSatellite)

I have focused so much on the railroad bridges, that I have ignored the road bridge. This photo taught me that the road bridge is significant in its own right. Before this bridge was built, vehicles had to use a ferry.

MightyMac.org - The Mackinac Bridge & Straits of Mackinac posted
The International Bridge at Sault Ste Marie opened 59 years ago today, October 31, 1962.
Philip Fish: I had the opportunity to inspect this bridge, it is one of the best maintained bridges I have ever encountered. Hats off to the International Bridge Authority, they do a great job!!
Aileen Seguino: How long is this bridge? just curious
MightyMac.org - The Mackinac Bridge & Straits of Mackinac: 5 miles
[HistoricBridges puts the length at 2.76 miles. That is more believable.]

This is the best overview I have seen. This is also a good view of the Soo Locks before the two old locks are replaced by one big lock.
safe_image for Lakes Superior and Michigan-Huron were wetter than average in December.

Aug 2018 Photo by Jann Mayer via BridgeHunter, License: Creative Commons Attribution (CC BY)

Aug 2018 Photo by Jann Mayer via BridgeHunter, License: Creative Commons Attribution (CC BY)

Michigan Nut Photography posted
The International Bridge spans the St. Mary’s River and carries international traffic between Sault Ste. Marie, Michigan and Sault Ste. Marie, Ontario. Thanks for sharing folks.
 
Bob Gilreath commented on the above post
They also have a bridge walk each year. Great walk with great views.

Bridges Now and Then posted
Construction over the St. Mary's Rapids on the Sault Ste. Marie International Bridge linking Michigan and Ontario, c. 1961. (Sudbury News)

James Torgeson shared
Dean F Harmon: Massman Construction Co. of Kansas City, MO according to Wikipedia.
James Torgeson
Author
Admin
+3
Dean F Harmon I was hoping to get some clues from the bridge's official website, but the construction photo galleries don't appear to be working: https://www.saultbridge.com/.../international-bridge.../

I Love Sault Ste. Marie, Michigan posted

DeBruler-soo-locks, cropped

DeBruler-canadian

Another view of the Canadian side.
Group participant posted
As the sun rises on Algoma steel! The international bridge to Sault Michigan in the background.
[The post is anonymous because the photo is evidently from an employee.]

MDOT

One advantage of road bridges is that it is generally easy to get a portal view.
Street View, Jun 2012

Since it is a double-arch bridge, it is more interesting from the road level than most bridges.
Street View

Street View

This is where the two arches meet.
Street View

We can also get a view of the controlling works for the St. Marys River. Part of the Algoma Steel Works is in the right background and in the left background we see a ship headed to the Soo Locks. And CN is doing some maintenance work on the railroad bridge.
Street View

Bridges Now and Then posted
Bridge deck construction on the Canadian approach to the Sault Ste Marie International Bridge, c. early 1960s. (Sudbury .com)

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