Re: $111 million Corona bridge that will separate cars and trains--a bit pricey...details would help?
Author: BOB2
Date: 12-23-2020 - 21:00
BNSF6400 Wrote:
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> The overpass needed at this location is different
> that most "simple" overpasses. It has to cross 5
> lanes of Sampson Avenue, a flood control channel
> and the BNSF Railway. There also really isn't
> much room between any of these to install bridge
> piers. So a single span, tied arch bridge is
> planned. Basically a pair of structure arches
> will run from abutment to abutment with the bridge
> deck suspended underneath it by cables. This
> allows for the span length and a fairly shallow
> bridge deck compared to a steel or concrete span.
> That is one of the main reasons for its increased
> price tag.
That explains it... At least it won't need the additional pumping and water runoff collection systems some of these underpasses have been breaking the bank with... Thanks for that answer....