Aashto Girder Sections: TYPE_VI to BI-36
Standard prestressed concrete girder section properties — AASHTO Types I-VI, PCI Bulb-Tees BT-54/BT-63/BT-72, and AASHTO box beams BI-36 through BIV-48
| section | Ix in4 (in4) | Sb in3 (in3) | St in3 (in3) | area in2 (in2) | bottom flange width in (in) | depth in (in) | notes | top flange width in (in) | web width in (in) | weight plf (lb/ft) | yb in (in) | yt in (in) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| TYPE_VI | 733,320 | 20,157 | 20,588 | 1,085 | 28 | 72 | AASHTO Type VI; wider top flange 42 in; spans 110-140 ft | 42 | 8 | 1,130 | 36.38 | 35.62 |
| BT-54 | 268,051 | 9,703 | 10,166 | 659 | 26 | 54 | PCI Bulb-Tee 54 in deep; top flange 42 in; spans 80-110 ft | 42 | 6 | 686 | 27.63 | 26.37 |
| BT-63 | 392,516 | 12,222 | 12,710 | 713 | 26 | 63 | PCI Bulb-Tee 63 in deep; top flange 42 in; spans 100-130 ft | 42 | 6 | 742 | 32.12 | 30.88 |
| BT-72 | 545,857 | 14,913 | 15,421 | 767 | 26 | 72 | PCI Bulb-Tee 72 in deep; top flange 42 in; spans 120-150 ft | 42 | 6 | 799 | 36.6 | 35.4 |
| BI-36 | 50,334 | 3,688 | 3,770 | 560.5 | 36 | 27 | Box beam 27x36; solid web width 5 in voids present; spans 40-60 ft | 36 | 5 | 584 | 13.65 | 13.35 |
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