Consultant Resources

The following manuals, guides, specifications, and forms are provided to help you do business with IDOT.

Standard Specifications

The following outlines the general requirements and covenants applicable to all highway construction improvements as well as provisions relating to materials, equipment, and construction requirements for individual items of work on projects awarded by the department.

Hard copies of these books can be purchased, and include the Standard Specifications for Road and Bridge Construction. To order, please navigate to Manuals Sales.

Supplemental Specifications and Recurring Special Provisions

This book contains additions and revisions to the Standard Specifications. The Supplemental Specifications are considered part of and should always be used in conjunction with the Standard Specifications. This book is updated every year.

Hard copies of these books are not sold separately, but are included with the purchase of the Standard Specifications for Road and Bridge Construction. To order both books, please navigate to Manuals Sales.

Use the following with the 2016 Standard Specifications:

Use the following with the 2012 Standard Specifications:

Navigate to Guide Bridge Special Provisions (GBSP) to view the provisions that are unique for bridge work.

Highways

The following are the reference materials when executing a consultant agreement for highway work.

Manuals & Guides

Bureau of Design and Environment Manual

The Bureau of Design and Environment (BDE) shall publish and maintain a manual that establishes uniform policies and procedures for the location, design, and environmental evaluation of highway construction projects on the state highway system.

The purpose of this policy is to compile the policies and procedures that govern project location, design, and environmental evaluation into one comprehensive manual.

Part I: Administration and Procedures

  • preface: Preface/Signature Sheet/Manual Format, Update and Comments revised June 2016
  • Chapter 1: Organization and Function (Program Development) revised June 2016
  • Chapter 2: Project Development Network (New Alignment)revised February 2016
  • Chapter 3: Project Development Network (Existing Alignment) revised February 2016
  • Chapter 4: Coordination Responsibilities revised February 2016
  • Chapter 5: Local Agency Agreements revised February 2015
  • Chapter 6: Utility Coordination
  • Chapter 7: Railroad Coordination
  • Chapter 8: Consultant Developed and/or Design Projects revised February 2016
  • Chapter 9: Reserved
  • Chapter 10: Reserved

Part II: Project Development

  • Chapter 11: Phase I Studies revised February 2016
  • Chapter 12: Phase I Engineering Reports revised February 2016
  • Chapter 13: Work Zone Traffic Management Studies
  • Chapter 14: Intersection Design Studies revised June 2014
  • Chapter 15: Interchange Type and Design Studies revised August 2013
  • Chapter 16: Rest Area/Weigh Stations revised February 2016
  • Chapter 17: Bicycle and Pedestrian Accommodations revised February 2013
  • Chapter 18: Reserved revised August 2013
  • Chapter 19: Public Involvement Guidelines revised February 2016
  • Chapter 20: Requirements for Major Projects revised February 2016
  • Chapter 21: Reserved

Part III: Environmental Procedures

  • Chapter 22: General Environmental Procedures revised June 2016
  • Chapter 23: Categorical Exclusions revised February 2016
  • Chapter 24: Environmental Assessments revised June 2012
  • Chapter 25: Environmental Impact Statements revised February 2016
  • Chapter 26: Special Environmental Analyses revised February 2016
  • Chapter 27: Environmental Surveys revised October 2015
  • Chapter 28: Environmental Permits/Certifications revised June, 2011
  • Chapter 29: Reserved
  • Chapter 30: Reserved
  • Appendix A: Duplicated Regulations and Guidance Revised February 2016
  • Appendix B: Acronyms/Glossary of Environmental Terms
  • Appendix C: Authority/Responsibilities

Part IV: Roadway Design Elements

Part V: Highway Systems

  • Chapter 43: Highway Systems revised December 2014
  • Chapter 44:Rural and Urban Freeways (New Construction/Reconstruction) revised February 2016
  • Chapter 45: Expressways (New Construction/Reconstruction) revised November 2014
  • Chapter 46: Strategic Regional Arterials (New Construction/Reconstruction) November 2014
  • Chapter 47: Rural Two-Lane/Multilane State Highways (New Construction/Reconstruction) revised October 2015
  • Chapter 48: Urban Highways and Streets (New Construction/Reconstruction) revised February 2016
  • Chapter 49: 3R Guidelines for Rural and Urban Highways (Non-Freeways) revised February 2016
  • Chapter 50: 3R Guidelines for Freeways revised February 2016
  • Chapter 51: Reserved

Part VI: Other Highway design elements

Part VII: Plans and Contracts

Part VIII: Procedure Memoranda

Stay Connected

To receive updates related to the BDE Manual and BDE Procedure Memorandums through the free subscription service, click on the link below and send the blank email that pops up. (Do not add anything to the subject line or to the body of the email). Directions for unsubscribing are included with each email notification.

CREATE Program Manuals

IDOT’s Division of Public and Intermodal Transportation, via the Bureau of Freight Rail Management, shall publish and maintain guidance that establishes uniform policies and procedures for the planning, environmental review, design, and construction of rail projects identified as part of the Chicago Region Environmental and Transportation Efficiency (CREATE) Program.

CREATE Program Manuals

CREATE Program Flow Charts

District Specific Standards

These drawings and files are specific to individual IDOT districts, click here to view.

Illinois Construction Scheduling Expert System (ICSES)

Illinois Construction Scheduling Expert System (ICSES) is a Windows-based software program used for planning and scheduling road construction projects. The program is designed to allow users to develop an engineer’s estimate of time required to complete road and bridge construction projects.

The ICSES user manual can also be downloaded here.

Highway Standards

These drawings show the details of various construction items and are used in conjunction with the Standard Specifications. The applicable standards are referenced on the cover sheet of the plans. To view the current drawing files and PDF files please click here.

Survey Manual

The Survey Manual contains material that is informational and instructional, and sets forth
guidelines and accepted practices to be used by IDOT personnel performing surveying work. To view the current Survey Manual, click here.

Transitional Approaches to Channelized Intersections

The values contained in the tables of this pamphlet provide the data necessary for either the design or the construction layout of the 128 types of transitional approaches to channelized intersections used by the Illinois Division of Highways. Click here to view.

CADD Resources

Roadway Downloads and Guides

Navigate to the Roadway CADD Downloads and Guides for CADD support and downloadable files.

Materials

Approved Labs

If you are interested in becoming or working with an approved lab that performs material testing on behalf of IDOT please choose from the following: Cement, Concrete, Soils.

Pay Item/Material Conversion Report

The following is a listing of pay item unit of measure to material code unit conversion factors in pay item order.

Qualified Product Lists

To view all qualified product lists click here.

Letting Specific Items

BDE Special Provisions

IDOT’s Bureau of Design and Environment (BDE) issues the BDE Special Provisions four times a year. They are inserted into contracts as they apply. Please navigate to the BDE Special Provisions webpage for a listing of these materials.

Coded Pay Items

The Coded Pay Items are updated seven times each year. Each updated codebook corresponds with a regularly scheduled IDOT letting. If a special letting is held, the most recent update prior to the special letting should be used. Two years of information will be hosted on the website.

If you wish to view prior Coded Pay Items or have questions in regards to the Coded Pay Items, please contact Frank Lowry at Frank.Lowry@Illinois.gov.

If you have questions in regards to the Local Roads Coded Pay Items please contact Shawn Griffith at Shawn.Griffith@illinois.gov.

2016 LETTINGS

2015 LETTINGS

2014 LETTINGS

2013 LETTINGS

2012 LETTINGS

Environmental

Environment Protection Practices

Navigate to the Erosion and Sediment Control webpage for more information in regards to methods to prevent soil and other pollutants from leaving the construction site.

Navigate to the Storm Water Management Plan webpage to view more information in regards to storm water runoff pollution.

Environmental Surveys Forms

Roadside Maintenance

Navigate to the Roadside Maintenance webpage to view detailed information about invasive species and prairie inventories along side our roadways.

Forms

Pavement Life-Cycle Cost Analysis (LCCA)

Approved LCCA's

Bridges and Structures

The following are the reference materials for executing a consultant agreement for bridge and structural work.

Bridge Manual

Bridge Manual 2012

All Bridge Designer (ABD) Memos are directives from IDOT's Bureau of Bridges and Structures advising bridge designers on bridge design policy changes. Please navigate to All Bridge Designer Memorandums to view the current listing.

Specific Scope of Services

Compliance materials are organized by specific scope of service, please click to expand the necessary portion.

Construction

Design

Technical Manuals Forms Bridge Manual Design Guides and Examples
Design GuidesReferenceRevised
Bridge Scupper PlacementBM 2.3.6.1.8Nov. 2006
LRFD Deck DesignBM 3.2.1Apr. 2012
LRFD Slab Bridge DesignBM 3.2.11Apr. 2012
LRFD Composite Steel Beam Design
(for Straight Bridges)
BM 3.3.4Jan. 2012
LRFD Stud Shear Connector Design
(for Straight Bridges)
BM 3.3.9Oct. 2010
Camber DesignBM 3.3.12Nov. 2006
LRFD Bolted Splice DesignBM 3.3.21Apr. 2012
LRFD PPC I-Beam and Bulb T-Beam
Design
BM 3.4Apr. 2012
LRFD PPC Deck Beam DesignBM 3.5Apr. 2012
Temporary Sheet Piling DesignBM 3.13.1Nov. 2009
Temporary Geotextile Retaining Wall
Design
BM 3.13.2Nov. 2006
Cofferdam Seal Coat DesignBM 3.13.3Nov. 2006
Seismic DesignBM 3.15May 2008
Seismic Site Class DefinitionAGMU Memo 09.1Jan.2009
Liquefaction Analysis ProcedureAGMU Memo 10.1Jan. 2010
Geotechnical Pile Design ProcedureAGMU Memo 10.2Aug. 2011
Shaft Overturning and Torsional
Analysis
AGMU Memo 11.1Aug. 2011

Bridge Information
The following site is a tool to offer bridge inspection and inventory information to the public.

Fabrication

Foundations and Geotechnical

Department Wide Geotechnical Engineers Organizational Chart

Technical Manuals and Policy Memorandums

Design Guides and Spreadsheets

The Geotechnical Design Guides have been developed by the Bureau of Bridges and Structures' Foundations and Geotechnical Unit in an effort to document the calculations and proper use of the Geotechnical Spreadsheets.

Design GuidesSpreadsheetsDescriptionRevised
Drilled Shaft Overturning and Torsion Design GuideBROM’S OVERTURNING & TORSIONAL SHAFT ANALYSISProvides the Shaft Foundation Depth Necessary to Resist the Overturning and Torsional Load from Traffic Signals, Sign Structures and Light Poles/Towers August 2011
Geotechnical Pile Design Guide  PILE CAPACITY AND LENGTH ESTIMATESIDOT Static Method of Estimating Pile Length vs. Resistance  June 2009
Liquefaction Analysis Design GuideLIQUEFACTIONCalculates the Factor of Safety Against Liquefaction January 2010
Seismic Site Class Definition Design GuideSEISMIC SITE CLASSProvides a Bridges Seismic Site Class January 2009
Cohesive Soil Settlement EstimateCOHESIVE SOIL SETTLEMENT ESTIMATEEstimates Primary Settlement of Cohesive Layers using Moisture Content and QuDecember 2014
Cofferdam Seal Coat Design GuideCOFFERDAM SEAL COAT DESIGNDetermines a Cofferdams Factor of Safety Against Hydrostatic Uplift November 2006
Temporary Geotextile Retaining Wall Design Guide TEMPORARY GEOTEXTILE WALL ANALYSISAnalyzes the Pullout Resistance and Stress in Geotextile Walls November 2006
Temporary Sheet Piling Design GuideTEMPORARY SHEET PILE DESIGN ANALYSISProvides a Simple but Conservative Procedure to Provide a Temporary Sheet Pile DesignMay 2015
 Integral Abutment Feasibility Analysis Design GuideINTEGRAL ABUTMENT FEASIBILITY ANALYSISDetermines the Feasibility of using an Integral Abutment Given Bridge Length, Skew and Soil Borings January 2014
 WSDOT PILE BEARING VERIFICATIONProvides Pile Inspectors Charts/Graphs to Determine the Nominal Driven Bearing Indicated by the WSDOT Dynamic Formula August 2010
New Permanent Sheet Pile Design Policy (ABD 11.4)SSP Dimensions ALL-ILDOT (8)Provides Sheet Pile Properties to determine (b/tmin)ε used to determine if local buckling will control the sheeting section modulus design.September 2011
Forms
Training Courses & Class Reference Guides

Hydraulics

Inspection

Technical Manuals
Revised ElementsPageRevised
Protection System Unpainted Steel Elements15October 23, 2015
Protection System Non-Lead Painted Steel Elements17October 23, 2015
Forms

NBIS Quality Assurance Review Summary Reports

Subscription Service Announcement Archive
The following PDF contains subscription service announcements from November, 2013.

Bridge Information
The following links are tools to offer bridge inspection and inventory information to the public.

National Bridge Inspection Standards (NBIS) and Bridge Inspection Training

Please navigate to the National Bridge Inspection Standards Training webpage to view the current listing of classes and registration information.

Planning

Type Size and Location Drawings (TSL)

Please navigate to the Type Size and Location Drawings webpage to view a list of approved drawings.

Technical Manuals
Bridge Manual Design Guides & Detail Examples

Ratings

Repairs

Technical Manuals
Bridge Information
The following site is a tool to offer bridge inspection and inventory information to the public.

CADD Resources

Bridges and Structures Downloads and Guides

Please navigate to the Bridges and Structures CADD Downloads and Guides webpage for Bridge CADD support and downloadable files.

Prequalified Structural Systems

Prequalified Structural Systems

Navigate to the Prequalified Structural Systems page.

Stay Connected

Bridge Support

The IDOT Bureau of Bridges and Structures subscription service for consultants, local agencies, and other DOTs allows information about updates or additions to be sent out in a timely manner. Areas covered by this subscription will include Type, Size, and Location (TSL) drawings, Technical Manuals, Bridge CADD Support, Guide Bridge Special Provisions (GBSP) files, and All Bridge Designers (ABD) memos.

To subscribe or unsubscribe, click on the link below and send the blank email that pops up. (Do not add anything to the subject line or to the body of the email).

Subscribe: subscribe-dot-bridgesupport@lists.illinois.gov
Unsubscribe: unsubscribe-dot-bridgesupport@lists.illinois.gov

If you have questions or problems concerning the service please contact IDOT Bridge Support at: dot.bbs.comsuggest@illinois.gov

National Bridge Inventory

The IDOT Bureau of Bridges and Structures' National Bridge Inventory (NBI) subscription service for program managers and team leaders, and other persons involved in the bridge inspection program will allow information about updates or additions to be sent out in a timely manner. Areas covered by this subscription will include bridge inspection information, FHWA 23 Metrics, NHI and IDOT training courses, updates to Section 3 of the Structural Services Manual, and other bridge related web-pages.

When updates or changes are made, they can be viewed or downloaded from these pages. The subscription service will provide a means to notify end users of these changes in order for them to download the latest versions and keep files up-to-date.

To subscribe or unsubscribe, click on the link below and send the blank email that pops up. (Do not add anything to the subject line or to the body of the email).

Subscribe: subscribe-dot-nbi@lists.illinois.gov
Unsubscribe: unsubscribe-dot-nbi@lists.illinois.gov

If you have questions or problems concerning the service please contact the Bridge Management Unit at dot.bbs.bridgemgmt@illinois.gov

General Contact Information

For your convenience a Contact Directory has been provided for questions regarding bridges and structures.