The structural behavior of reinforced and prestressed concrete inverted T Beams differs from that of conventional top-loaded beams. The loads that are introduced into the bottom rather than into the sides or the top of the web of an inverted T beam impose special problems, which are not dealt with in existing structural codes. This paper provides recommendations for proportioning cross section dimensions and reinforcement of cast-in-place, post-tensioned and reinforced concrete inverted T beams used in bridge structures. A design example is included to elaborate the application of these recommendations.
