Subject: Re: Message to the IWBC about bridge monuments
Date: Jun 30, 2003 @ 22:40
Author: acroorca2002 ("acroorca2002" <orc@...>)
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> The web site of the International Boundary and WaterCommission (US Section)
> invites questions by e-mail from members of the public to thePublic Affairs
> Office at the IWBC headquarters in El Paso. Therefore, I havesent them the
> question below. This is not meant to compete with Mr.Nadybal's proposed
> inquiry at Washington, but the IWBC's presence there is only a"Special
> Assistant" who is housed within the State Department's Officeof Mexican
> Affairs. Perhaps he's thinking of a different agency, theInternational
> Boundary Commission (US Section), which has itsheadquarters in Washington, but
> it only deals with the Canadian border.of the border
>
> ++++++++++++++++++++++++++++++++++++
>
> Hello,
>
> While I am a resident of Louisiana, I own property within sight
> near Eagle Pass, Texas. I have a greater-than-averageinterest in the US/Mexico
> boundary.bridges. I am aware
>
> I have some questions regarding the boundary monuments on
> that bridges on the Rio Grande section of the boundary haveupon them a boundary
> monument placed by the IWBC or one of it predecessors. Ihave noted several
> examples where the Rio Grande has moved by accretion suchthat it is no longer
> under the monuments on the bridges. I know that (in theabsence of treaty
> provisions to the contrary) it is a general principal of boundarystudy that
> water boundaries move with accretion of the waterbodies thatconstitute the
> boundary.prime example. The
>
> The railroad bridge at Eagle Pass/Piedras Negras makes a
> bridge was built in 1922, and the monument on the bridgestands beside the steel
> superstructure on a stone masonry bridge pier that must havebeen in the middle
> of the river at that time. Since then, however, the river hasmoved by
> accretion significantly southward. The bridge pier upon whichthe monument sits
> is high and dry, perhaps fifty feet or more from the north marginof the river
> at its normal stage. The area is easily accessible by road andappears to be
> something of a lovers' lane. It is possible to drive a motorvehicle all the
> way around the base of the pier upon which the boundarymonument sits.
>these:
> My questions related to this and other similar examples are
>port-of-entry bridge permanently
> 1. Does the placement of an IWBC monument on a
> fix the boundary at that point on the bridge structure, trumpingthe effects of
> any future accretion of the river; OR is the monument on thebridge merely a
> curious relict of where the boundary once was when the bridgewas built?
>fixes the boundary on
> 2. If the placement of a monument on a bridge permanently
> the bridge structure, then under which sovereignty is the dryland on one side
> of the river that is directly beneath the opposite nation's part ofthe bridge?
>river and extends
> 3. If the boundary deviates from the moveable middle of the
> one way or the other to a monument permanently fixed on abridge, thus creating
> a finger of one nation into the other, how wide is that finger? Isit only as
> wide as the physical structure of the bridge, or is it as wide asthe respective
> railroad or highway's right-of-way?or are they
>
> 4. Are there actually any answers to such questions as these,
> resolved only case-by-case as the need arises?provide.
>
> I thank you for your attention and for whatever answers you can
>
> Lowell G. McManus
> Leesville, Louisiana, USA