The below information is from the ACPA's Load and Resistance Factor Design (LRFD) Fill Height Tables document for concrete pipe. These have been developed using the indirect design method in accordance with Section 12.10.4.3 of the AASHTO LRFD Bridge Design Specification, 10th Edition. You can download the document here.
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.png?width=2000&height=1545&name=Fill%20Height%20Tables%20-%2010th%20Edition%20-%20INTERNAL-1%20(2).png "Fill Height Tables - 10th Edition - INTERNAL-1 (2)")
.png?width=2000&height=1545&name=Fill%20Height%20Tables%20-%2010th%20Edition%20-%20INTERNAL-1%20(3).png "Fill Height Tables - 10th Edition - INTERNAL-1 (3)")
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.png?width=1056&height=816&name=Fill%20Height%20Tables%20-%2010th%20Edition%20-%20INTERNAL-1%20(7).png "Fill Height Tables - 10th Edition - INTERNAL-1 (7)")
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.png?width=1056&height=816&name=Fill%20Height%20Tables%20-%2010th%20Edition%20-%20INTERNAL-1%20(9).png "Fill Height Tables - 10th Edition - INTERNAL-1 (9)")
.png?width=1056&height=816&name=Fill%20Height%20Tables%20-%2010th%20Edition%20-%20INTERNAL-1%20(10).png "Fill Height Tables - 10th Edition - INTERNAL-1 (10)")
.png?width=1056&height=816&name=Fill%20Height%20Tables%20-%2010th%20Edition%20-%20INTERNAL-1%20(11).png "Fill Height Tables - 10th Edition - INTERNAL-1 (11)")
.png?width=1056&height=816&name=Fill%20Height%20Tables%20-%2010th%20Edition%20-%20INTERNAL-1%20(12).png "Fill Height Tables - 10th Edition - INTERNAL-1 (12)")
.png?width=1056&height=816&name=Fill%20Height%20Tables%20-%2010th%20Edition%20-%20INTERNAL-1%20(14).png "Fill Height Tables - 10th Edition - INTERNAL-1 (14)")
