Article View: dc.driving
Article #14431Re: Draw spans on the Potomac.
From: John R Cambron
Date: Thu, 02 Jul 1998 00:00
Date: Thu, 02 Jul 1998 00:00
35 lines
2224 bytes
2224 bytes
Scott M. Kozel wrote:
>
> John R Cambron <fairland@mail.*chesapeake*.net> wrote:
> >
> > Scott M. Kozel wrote:
> > >
> > > The drawspan was on the northbound former-Rochambeau Bridge, as it was
> > > the first built, about 1950. When it was redecked in 1975, the drawspan
> > > was eliminated.
> >
> > The draw span is still there Scott, it is just locked closed the tower
> > is still there but the controls been removed from the tower, as I once
> > got in to the tower in the late 1970s.
>
> But where is the open grid deck that is used to make bascule spans light
> enough to raise easily?
>
> If the existing bascule span was locked closed, then it must have been
> overlaid with a concrete asphalt-topped roadway.
>
This is true, as the leafs still deflect under traffic load as they
pass over it. the combs between the east and west leafs are still
there and visible. The counter weights are covered with asphalt but
the seems still show through.
--
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John R Cambron
North Beach MD USA
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