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RE: Equestrian bridge loads

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That's an interesting question. I've never seen a guideline written down
anywhere. Once upon a time, I recall having to estimate this. I think the
typical horse weighs around a ton, but they can vary quite a bit. If you
allowed a ballpark 2500 lbs for an animal and rider on a footprint of about
sidewalk width by say 10 ft, you would have maybe 63 psf or so. I would
probably use 100 psf to be safe and add impact to boot.

An even more interesting question is what to do about barrier height and
loads on the side of the bridge, since the rider is high in the saddle and
an animal can always get spooked.

Jim Lutz, P.E., S.E.
Earth Tech, Inc.

10800 NE 8th Street - 7th Floor
Bellevue, WA 98004
(425) 455-9494 Ext 7024
(425) 453-9470 FAX
http://www.earthtech.com


-----Original Message-----
From: Sherman, William [mailto:ShermanWC(--nospam--at)cdm.com]
Sent: Monday, January 17, 2005 8:53 AM
To: seaint(--nospam--at)seaint.org
Subject: Equestrian bridge loads


I am developing preliminary design of a "pedestrian bridge" which is
also intended to carry equestrian loads. How are equestrian loadings
typically developed? 


William C. Sherman, PE 
(Bill Sherman) 
CDM, Denver, CO
Phone: 303-298-1311
Fax: 303-293-8236
email: shermanwc(--nospam--at)cdm.com

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