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RE: Railing loads for pedestrianbridge

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Why don’t you restrict the ATV at the abutments (one post in the middle should work?) and design as per section 13.8 & 13.9 of aashto-lrfd


Best regards,

Shiraz Shahid.


From: Drew Morris [mailto:dmorris(--nospam--at)]
Sent: Thursday, July 07, 2011 2:32 AM
To: seaint(--nospam--at)
Subject: Re: Railing loads for pedestrianbridge


Can you use some estimated force of the ATV striking a glancing blow to the handrails?  There are loads for vehicles hitting barriers, but the 5' width would seem to restrict the impact speed and angle.

On 7/6/2011 12:35 PM, Jws Consulting wrote:

We are working on the pedestrian bridge project in NC.
I am looking for information about the loads on the railings.
Bridge is 5 feet wide, so the ATV is a possibility.
Your help will be appreciated.


John W. Sieszycki, P.E., S.E.
ph.: 514-332-9165



Drew Morris, PE | Project Engineer
              Engineers, Inc.
510 L Street, Suite 200 | Anchorage, Alaska 99501
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