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Re: rebuilt bridge
Author: John
Date: 08-04-2021 - 10:38

Hot Water Wrote:
-------------------------------------------------------
> John Wrote:
> --------------------------------------------------
> -----
>
> But,,,,,,,,,wasn't the bridge at Dry Creek that
> just "burned", also a ballasted deck? So, why is a
> ballasted deck far less likely to "burn and
> spread" in your opinion?

I may be wrong but the picture I looked at showed the the old bridge built with crossties held down with timber guards. No ballast. The ballast fire proofs the bridge somewhat. Only the top of the ties are exposed to fire. The concrete tub design is best but so heavy the whole structure would have to be replaced.

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Subject Written By Date/Time (PST)
  UP service announcements lines restored ron 08-03-2021 - 10:16
  UP General Announcements -- Home > Customers > Announcements > Customer News WebDigger 08-03-2021 - 10:46
  Re: UP General Announcements -- Home > Customers > Announcements > Customer News Steve T. 08-03-2021 - 16:41
  Re: UP General Announcements -- Home > Customers > Announcements > Customer News E.H. Scaryman 08-03-2021 - 16:52
  Re: UP General Announcements -- Home > Customers > Announcements > Customer News An Observer 08-03-2021 - 17:17
  Cost to repair a trestle deck? engr. 08-03-2021 - 18:52
  Re: Cost? 6thFL bum 08-03-2021 - 22:11
  Re: Cost? engr. 08-03-2021 - 22:26
  rebuilt bridge John 08-04-2021 - 08:30
  Re: rebuilt bridge Hot Water 08-04-2021 - 08:35
  Re: rebuilt bridge An Observer 08-04-2021 - 09:55
  Re: rebuilt bridge John 08-04-2021 - 10:38
  Re: Cost? Bryan 08-04-2021 - 11:14
  Re: Cost? FUD 08-05-2021 - 00:15


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