Agencies
Services
References
Guides/Spreadsheets
For information on geotechnical design guides and spreadsheet for structures, please navigate to the Consultant Resources webpage where they can be found in the Foundations & Geotechnical drop-down listings located about half-way down the “Specific Scope of Services” list under the Bridges & Structures tab.
Material Specific Information
There is currently no material specific information
Specifications
- Guide Bridge Special Provisions (GBSP)
- To view the Geotechnical Special Provisions, please navigate to the Geotechnical Memorandums and Provisions webpage.
- Materials "M" Specifications
- To view the Standard Specifications please navigate to the Consultant Resources webpage.
- To view the Supplemental Specifications and Recurring Special Provisions please navigate to the Consultant Resources webpage.
- Bureau of Local Roads Special Provisions
- BDE Special Provisions
- Highway Standards
Manuals
- All Geotechnical Manual Users (AGMU) Memorandums
- Geotechnical Manual
- Manual for Materials Inspection
- Manual of Test Procedures for Materials (revised 12/1/22)
- Manual of Test Procedures for Materials 2023 (revised 12/1/23)
- Manual of Test Procedures for Materials 2024 (revised 12/1/24)
- Illinois Modified AASHTO T 26 (Effective 4/22/25)
- Subgrade Stability Manual
