Optimization of Post-Tensioned Box Girder Bridges with Special Reference to Use of High-Strength Concrete Using AASHTO LRFD Method

<table>Superstructure cost, $/ft<sup>2</sup> for a box girder (seven cells spaced at 9 ft).</table>

Advances in Civil Engineering

Figure 6: Optimization of Post-Tensioned Box Girder Bridges with Special Reference to Use of High-Strength Concrete Using AASHTO LRFD Method 