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[narrator] In 1989
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Engineering Catastrophes

In 1989, an earthquake severely damagedSan Francisco's Bay Bridge. As Caltrans Chiefof...

[narrator] In 1989, an earthquake severely damaged
San Francisco's Bay Bridge. As Caltrans Chief
of Public Affairs
Bart Ney explains, the disaster exposed
a weakness lurking within
this supersized structure. [Bart] The old eastern span, as it was originally
constructed, is a bunch of different
steel truss bridges that are connected
together at joints

Full Transcript

00:00:01.000 --> 00:00:02.005
[narrator] In 1989,
00:00:02.005 --> 00:00:07.006
an earthquake severely damaged San Francisco's Bay Bridge.
00:00:07.006 --> 00:00:10.833
As Caltrans Chief of Public Affairs Bart Ney explains,
00:00:10.009 --> 00:00:13.001
the disaster exposed a weakness
00:00:13.001 --> 00:00:15.009
lurking within this supersized structure.
00:00:16.008 --> 00:00:18.233
[Bart] The old eastern span,
00:00:18.233 --> 00:00:20.399
as it was originally constructed,
00:00:20.399 --> 00:00:22.833
is a bunch of different steel truss bridges
00:00:22.009 --> 00:00:25.333
that are connected together at joints.
Duration
26 seconds
Views
10
Timestamp in Movie
00:09:13
Uploaded
Oct 28, 2025
Season
6
Episode
10
Genres
documentary
Production
Moviecoop

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Movie Summary

With access to all phases of design and a large cast of experts, some of the great failures of engineering history are uncovered.
S06 • E01 Everything was just a mess, but you couldn't tell what it was - Engineering Catastrophes 00:07
Everything was just a mess, but you couldn't tell what ...
S06 • E08 Uh, because often once one thing fails, - Engineering Catastrophes 00:08
Uh, because often once one thing fails,
S06 • E02 [Bracken] Debris is going t go everywhere. - Engineering Catastrophes 00:16
[Bracken] Debris is going t go everywhere.
S06 • E04 [narrator] The bridge inspector's swift action likely saved lives. - Engineering Catastrophes 00:37
[narrator] The bridge inspector's swift action likely s...
S06 • E09 The foundations were built in actually a sandy type of soil - Engineering Catastrophes 00:07
The foundations were built in actually a sandy type of soil
S06 • E07 If it went off, the devastation - Engineering Catastrophes 00:07
If it went off, the devastation
S06 • E01 [narrator] Investigators focused on the chemicals - Engineering Catastrophes 00:23
[narrator] Investigators focused on the chemicals
S06 • E06 A normal building or a bridge has a foundation - Engineering Catastrophes 00:15
A normal building or a bridge has a foundation
S06 • E03 And then several days later, - Engineering Catastrophes 00:09
And then several days later,
S06 • E07 {\an8}I don't think that anybody had any clue at all. - Engineering Catastrophes 00:05
{\an8}I don't think that anybody had any clue at all.
S06 • E09 The columns that hold up the bridge at the bridge - Engineering Catastrophes 00:12
The columns that hold up the bridge at the bridge
S06 • E08 [narrator] The first clues came from eyewitnesses - Engineering Catastrophes 00:14
[narrator] The first clues came from eyewitnesses
S06 • E05 It turned out that the exact location of the pipe - Engineering Catastrophes 00:20
It turned out that the exact location of the pipe
S06 • E07 {\an8}NARRATOR: In Texas, just 50 tons of ammonium nitrate - Engineering Catastrophes 00:08
{\an8}NARRATOR: In Texas, just 50 tons of ammonium nitrate
S06 • E03 [narrator] Studying the wreckage, - Engineering Catastrophes 00:17
[narrator] Studying the wreckage,
S06 • E02 There were no safety measures, there were no barriers to protect him. - Engineering Catastrophes 00:06
There were no safety measures, there were no barriers to pro...
S06 • E07 So what had prevented - Engineering Catastrophes 00:07
So what had prevented
S06 • E09 NARRATOR: But between 1967 and 1995, - Engineering Catastrophes 00:09
NARRATOR: But between 1967 and 1995,
S06 • E02 [narrator] While the city of Miami was left reeling, - Engineering Catastrophes 00:10
[narrator] While the city of Miami was left reeling,
S06 • E06 And the taller the crane, the more sideways force - Engineering Catastrophes 00:12
And the taller the crane, the more sideways force