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RE: Golf Course Bridge

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One thing to consider is the eventual intended use of the bridge.
No matter what they tell you the maximum loading will be, you can
be assured that it will eventually see more.  Think about the truck
full of sand to put in the bunkers, or full of dirt to build a new tee.
I'll go out on a limb and say that I think your loading is going to be
more than the 2 tons you've mentioned.  On every course I've ever
played, I've always seen a vehicle using a golf cart bridge.  
Another thing to consider about you posting is whether the course
owner will allow such a posting on his course.  Depends on how snooty
the club is going to be.  
If I was doing the design, I'd think very hard about using H15 as
the governing live load case.

-----Original Message-----
From: T. Eric Gillham PE [mailto:teric(--nospam--at)]
Sent: Monday, June 04, 2001 7:55 PM
To: seaoc list
Subject: Golf Course Bridge

I am designing two cart path bridges for a golf course.  First bridge is
3 span 70'+50'+50', second bridge has a single span of 70'.
Wonder of wonders, the owner and the contractor both want to minimize
the cost on the structures, and are asking that I use the minimum live
loading possible.  
The largest vehicle used on the golf course is a mower/utility vehicle
with a gross weight of about 2 tons, well below H15 loading.  The
bridges themselves are to be 10 feet wide, and the approaches are so
hilly that it is unlikely that  a truck could even get to the bridges.
Soooo, my question is : Does anyone have experience regarding the use of
loads substantially less than those required by AASHTO for the design of
NON-highway bridges.  If so, are there standard loads?  I was thinking
of using 5 tons as a minimum, and having the owner post a permanent sign
showing the weight restriction.
Also, does the AASHTO manual govern the design of the bridges?  We are
currently under UBC94, soon to switch to the IBC, but I am not all that
familiar with AASHTO requirements (not much bridge work on Guam).  I
would prefer to use UBC94, LRFD 2nd Ed for the girders, and refer to
AASHTO for load distribution (based on 5 ton total weight) and seismic
Any suggestions?
T. Eric R. Gillham PE
PO Box 3207 Agana Guam 96932
Ph:   (671) 477-9224
Fax: (671) 477-3456
Cel  (671) 687-7115
teric(--nospam--at) <mailto:eteric(--nospam--at)> 

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