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RE: Cable Stay Costs

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If you use the Sundial Bridge at Turtle Bay in Redding, California as a
guide, your cable-stayed pedestrian bridge should cost about $15.3
Million.  That might not be entirely fair, since the Redding project was
designed by Santiago Calatrava and not by Paul Feather.  On the other
hand, using the same guide, your fee should be about $1.38 Million
(assuming 5% average annual inflation since 1996).
The Sundial Bridge spans 217 feet.  It was originally estimated to cost
$3.0 Million, but ended up costing approximately $23.5 Million.  That
works out to a whopping $108,295 per linear foot.  I hope that everyone
walking across this bridge adequately appreciates that each 30 inch step
represents well over a quarter million bucks.  In addition, the owner is
obligated to forever pay $130,000 annually to maintain, secure, and
insure the bridge.  Calatrava's fee for this outstanding edifice, in
1996 dollars, was $1.24 Million.
Stan R. Caldwell, P.E.
Dallas, Texas      


From: Paul Feather [mailto:PFeather(--nospam--at)] 
Sent: Friday, August 25, 2006 3:14 PM
To: seaint(--nospam--at)
Subject: Cable Stay Costs

Does anyone have any references for costs of cable stay bridge projects?
We potentially have a small cable stay curvilinear pedestrian bridge
(117 ft / 141 on the curve) connecting two different project phases, and
I am trying to develop some ball-park costs.


Thanks in advance


Paul Feather PE, SE




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