Aashto Girder Sections: TYPE_I to TYPE_V
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_I | 22,750 | 1,807 | 1,476 | 276 | 16 | 28 | AASHTO Type I; bottom flange 16 in, top flange 12 in; composite deck spans 30-45 ft | 12 | 6 | 287 | 12.59 | 15.41 |
| TYPE_II | 50,980 | 3,220 | 2,528 | 369 | 18 | 36 | AASHTO Type II; spans 40-60 ft | 12 | 6 | 384 | 15.83 | 20.17 |
| TYPE_III | 125,390 | 6,186 | 5,070 | 560 | 22 | 45 | AASHTO Type III; spans 55-80 ft | 16 | 7 | 583 | 20.27 | 24.73 |
| TYPE_IV | 260,730 | 10,543 | 8,908 | 789 | 26 | 54 | AASHTO Type IV; spans 70-100 ft | 20 | 8 | 822 | 24.73 | 29.27 |
| TYPE_V | 521,180 | 16,307 | 16,795 | 1,013 | 28 | 63 | AASHTO Type V; wider top flange 42 in; spans 90-120 ft | 42 | 8 | 1,055 | 31.96 | 31.04 |
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