this post was submitted on 29 Aug 2025
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HistoryPorn

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Construction began in September 1938. From the time the deck was built, it began to move vertically in windy conditions, so construction workers nicknamed the bridge "Galloping Gertie". The motion continued after the bridge opened to the public, despite several damping measures. The bridge's main span finally collapsed in 40-mile-per-hour (64 km/h) winds on the morning of November 7, 1940, as the deck oscillated in an alternating twisting motion that gradually increased in amplitude until the deck tore apart. The violent swaying and eventual collapse resulted in the death of a cocker spaniel named "Tubby", as well as inflicting injuries on people fleeing the disintegrating bridge or attempting to rescue the stranded dog.

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[–] tetris11@lemmy.ml 8 points 4 days ago (3 children)

How does tarmac not fracture under such conditions

[–] athairmor@lemmy.world 18 points 4 days ago (1 children)

Asphalt is, technically, a liquid.

[–] atomicbocks@sh.itjust.works 4 points 4 days ago

Also glass, wax, and pitch.

These are generally referred to as “amorphous solids”.

[–] AngryCommieKender@lemmy.world 11 points 4 days ago (1 children)

https://en.wikipedia.org/wiki/File:Tacoma_Narrows_Bridge_destruction.ogv

That's the full video. It does eventually buckle. Killed a dog, and injured some people that tried to save the dog.

[–] tetris11@lemmy.ml 4 points 4 days ago

I'm genuinely amazed that a video of it falling exists, with old-timey written cinema screencaps no less!

[–] orbituary@lemmy.dbzer0.com 5 points 4 days ago (2 children)
[–] tetris11@lemmy.ml 11 points 4 days ago* (last edited 4 days ago) (1 children)

*thinks up clever cutting response*
YOU'RE made from tar!

[–] MajorMajormajormajor@lemmy.ca 10 points 4 days ago (1 children)

Ladies and gentlemen, we got 'em!

[–] orbituary@lemmy.dbzer0.com 8 points 4 days ago

"Got 'em" is my favorite thing for some silly reason.

[–] drolex@sopuli.xyz 5 points 4 days ago (1 children)

Yeah but what about the macaroni part?

[–] orbituary@lemmy.dbzer0.com 4 points 4 days ago

The gooey cheese is what lets it stretch.