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Posted by Geoff Weisenberger on October 1, 2007 at 9:17 AM.
The article “Above-Grade, Below Estimate” (March, p. 55) describes a project in which hybrid girders have been used in a horizontally curved bridge. However, the AASHTO Guide Specifications for Horizontally Curved Steel Girder Bridges does not provide for hybrid girders, probably due to lack of related research.
Apparently, this hybrid bridge has been designed as a conventional bridge on a curved alignment. In your opinion, is this an appropriate design?
Andreas Paraschos, P.E.