Project Sheets & Files

Disclaimer: This is advance notification of anticipated needs for contractor-furnished borrow material. It is the best information available at the time of posting but design details and letting dates are subject to change. 

Project sheets & files
Fiscal YearCountyRouteDownload 
2025JohnsonI-380 (456) HMA Pavement - Grade And NewDownload Johnson County zip file
2025LinnI-380 (358) PCC Pavement - Grade And NewDownload Linn County I-380 (358) zip file
2025PolkI-80 (264) PCC Pavement - Grade and NewDownload Polk County I-80 (264) zip file
2025LinnI-380 (449) PCC Pavement - Grade and NewDownload Linn County I-380 (449) zip file
2024Polk/StoryI-35 (248) PCC Pavement - Grade and NewDownload Polk/Story County zip file
2024Johnson/CedarI-80 (127) PCC Pavement - Grade and NewDownload Johnson/Cedar County zip file
2024BremerU.S. 218 (124)Download Bremer County zip file
2024Des Moines/LouisaU.S. 61 (66)Download Des Moines/Louisa County zip file
2023Des MoinesU.S. 61 (106) PCC Pavement - Grade and NewDownload Des Moines County zip file
2023StoryU.S. 30 (276)Download Story County zip file
2023WoodburyUS 75 / IA 12 Interchange in Sioux City (179)Download Woodbury County zip file
2023PolkI-35 (244) PCC Pavement - Grade and NewDownload Polk County I-35 (244) zip file
2023PolkI-35 (253) Grading)Download Polk County I-35 (253) zip file
2023Johnson/CedarI-80 (114)Download Johnson/Cedar County zip file
2023StoryU.S. 30 (258)Download Story County U.S. 30 zip file
2023BentonU.S. 30 (183)Download Benton County zip file
2023PlymouthU.S. 75 (99)Download Plymouth County zip file
2023WoodburyI-29/IA 141 interchange (294)Download Woodbury County zip file

Geotechnical Investigation Data for Potential Borrows When Available

Disclaimer: Borrow information is provided for information purposes only. The information presented may consist of any or all of the following: Prospective borrow locations, boring locations, boring logs, and lab test results on soil samples. The information may not have been complete when originally obtained for the Iowa DOT, therefore, it may not be complete for the purposes of borrow selection. The information is provided "as is" and does not necessarily represent final review, evaluation, selection, or borrow intent by the Iowa DOT. Contractors are responsible for reviewing and evaluating the data and how it may apply to borrow selection. Contractors must follow the specified requirements of the contract documents when applying the information to borrow sites they select.

Geotechnical Investigation Data for Potential Borrows When Available
CountyRouteDownload
Black HawkUS 218Download Black Hawk County data
DubuqueUS 20Download Dubuque County data
LinnIowa 100Download Linn County data
LouisaUS 61Download Louisa County data
SacIowa 196Download Sac County data
WarrenI-35Download Warren County data