Preliminary design
The preliminary design guidelines of the Iowa Department of Transportation's Office of Bridges and Structures design manual are in the process of being rewritten and sections on this page may be out-of-date. Updated sections, as they become available, will be placed in section three of the Office of Bridges and Structure's LRFD Design Manual Web page.CADD bridge standard plan files and design manual and commentary disclaimer
Design guidelines |
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Appendix A |
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| Pages A1-A10 | ||
| Pages A11-A15 | ||
| Pages A16-A22 | ||
| Pages A23-A39 | ||
Appendix B |
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| Pages B1-B12 | ||
| Pages B13-B22 | ||
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