Use of railroad flat cars for low-volume road bridges.
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1999-08-01
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Abstract:In an attempt to solve the bridge problem faced by many county engineers, this
investigation focused on a low cost bridge alternative that consists of using railroad flatcars
(RRFC) as the bridge superstructure. The intent of this study was to determine whether these
types of bridges are structurally adequate and potentially feasible for use on low volume roads.
A questionnaire was sent to the Bridge Committee members of the American Association
of State Highway and Transportation Officials (AASHTO) to determine their use of RRFC bridges
and to assess the pros and cons of these bridges based on others’ experiences. It was found
that these types of bridges are widely used in many states with large rural populations and they
are reported to be a viable bridge alternative due to their low cost, quick and easy installation,
and low maintenance.
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