Ohio and Kentucky are in the process of reviewing the design and engineering study that was completed several years ago. Document appendices are available upon request by submitting a comment.

Click on the state name to access PDFs of the recommended alternative plan views for Kentucky (3.7mb) and Ohio (5.8mb).

PROJECT FACT SHEET AND FREQUENTLY ASKED QUESTIONS (FAQ)

The Bipartisan Infrastructure Law (BIL) has created a once-in-a-generation opportunity to improve the Brent Spence Bridge Corridor for millions of Americans who travel between Ohio and Kentucky. Learn more here. View the project FAQ here.

ADVISORY COMMITTEE INFORMATION

The Brent Spence Bridge Corridor project is led by ODOT and KYTC with input from a group of stakeholders through a project advisory committee. Learn more here.

MEMORANDUM OF UNDERSTANDING (MOU) 

A Memorandum of Understanding (MOU) was entered into between Ohio and Kentucky on October 4, 2004 to study the Brent Spence Bridge Corridor. There have been six supplements. Below is a link to a file containing the original MOU and all supplements.

• Documents
• 2012 Environmental Assessment

2025
Riverfront Commons Trail Public Notice (January 24, 2025) 5.2MB
2024
PAC Meeting Summary (May 31, 2024) 4.69MB Project Advisory Committee Presentation (May 2024) 12.1MB Finding of No Significant Impact (May 2024) 4.63MB Revised Supplemental Environmental Assessment (May 2024) 74.88MB Revised Supplemental Environmental Assessment Appendices (May 2024) 80.99MB Request for Finding of No Significant Impact (May 2024) 47.69MB Final Individual Section 4(f) Evaluation (April 2024) 87.81MB PAC Meeting Summary (February 16, 2024) 3.18MB Supplemental Environmental Assessment (January 2024) 78.26MB Supplemental Environmental Assessment Appendices (January 2024) 69.75MB Public Involvement Summary (January 2024) Part 1 53.79MB Public Involvement Summary (January 2024) Part 2 97.92MB Public Involvement Summary (January 2024) Part 3 57.62MB Public Involvement Summary (January 2024) Part 4 57.2MB Draft Individual Section 4(f) Evaluation (January 2024) 83.6MB Environmental Justice Analysis Report (January 2024) 19.57MB Socioeconomic Technical Report (January 2024) 19.39MB
2023
Interchange Modification Study Summary 0.1MB Interchange Modification Study Addendum (December 2023) 57.12MB BSBCP - Section 106 Programmatic Agreement (October 20, 2023) 9.6MB OH BSB Noise Analysis Report with Appendices (October 2023) 13MB Project Advisory Committee Meeting Summary (August 31, 2023) 16.44MB BSBCP - KY Northern Section Noise Report (August 30, 2023) 18.63MB BSBCP - KY Southern Section Noise Report REVISED (August 25, 2023) 16.1MB MSAT Analysis (August 16, 2023) 2.41MB Historic Survey Report Addendum (May 11, 2023) 2.84MB Aesthetic Committee Meeting Summary (KY) (March 29, 2023) 0.04MB Stream and Wetland Summary (March 2023) 22.47MB OH-KY Interstate Cooperate Agreement Fully Executed (February 17, 2023) 2.21MB Additional Traffic Noise Assessment Technical Memo - KY Southern Section (February 2023) 7.06MB Ohio Aesthetics Subcommittee Meeting Summary (January 31, 2023) 2.59MB Aesthetics Committee Meeting Summary (January 31, 2023) 6.51MB Technical Memo (PID 114161) Selection of the Preferred Alternative at the I-75 and WHV Interchange (January 2023) 6.31MB
2022
DBE Information Session Presentation (December 7, 2022) 5.62MB Willow Run Storm Water Separation Study Report (December 2022) 17.47MB Noise Analysis Technical Memo - KY Northern Section (November 2022) 6.5MB Aesthetic Committee Meeting Summary (KY) (November 16, 2022) 0.19MB Level 1 Ecological Survey Report (OH) (October 2022) 9.54MB Cultural Historic Survey Report (October 2022) 32.83MB Biological Assessment (October 2022) 48.55MB Aesthetic Committee Meeting Summary (KY) (October 20, 2022) 0.08MB Aesthetic Committee Meeting Summary (KY) (August 10, 2022) 6.45MB Design Summary Report (August 2022) 46.17MB Phase I History Architecture Reevaluation Survey (July 2022) 10.71MB ESA Screening 2022 Reevaluation (Kentucky) (July 2022) 5MB 2022 Project Summary with Associated Costs (June 2022) 0.14MB Project Advisory Committee Meeting Summary (June 29, 2022) 6.93MB Aesthetic Committee Meeting Summary (OH) (June 28, 2022) 1.54MB Aesthetic Committee Meeting Summary (KY) (June 28, 2022) 0.2MB Traffic Operations Report 5.53MB Design Governance Structure Report 0.47MB
2021
Traffic & Tolling Certified Traffic Report – HAM-75 Linn St to Hopple St & Western Hills Viaduct Interchange (June 2021) and Appendix A (Traffic Plates) (September 2021) 0.37MB Project Summary Report 0.55MB
2020
Traffic & Tolling BSB Project: TransModeler Calibration and Results (May 2020) 2.09MB Design Brent Spence Bridge Traffic and Concept Analysis (May 2020) 1.7MB Analysis of Design Concepts (May 2020) 15.65MB
2019
Design BSB Project: Traffic Counts, Modeling and Forecast Review (December 2019) 0.86MB Design Performance-Based Design Workshop (December 2019) 0.2MB
2018
Environmental FHWA Re-evaluation of the Brent Spence Bridge Replacement/Rehabilitation Project (March 15, 2018) 0.66MB
2017
Phase I Property Assessment-Duke Energy Site 646&655 Mehring Way (February 2017) 1.78MB Design BSB Corridor: Technical Report - Draft Corridor Drainage Study (November 1, 2017) 178.7MB
2015
NEPA Reevaluation 1 (February 11, 2015) 2.84MB Design DRAFT Report – BSB Project Cost Savings Study (Prepared by Parsons Brinckerhoff) (March 18, 2015) 1.79MB Design Whiz Bang Concept (Developed 2015) 0.71MB Traffic & Tolling I-71 Re-Routing Traffic Modeling Memo 2.23MB Traffic & Tolling BSB Corridor: Intersection Traffic Operational Evaluation Approach (December 28, 2015) 0.18MB
2014
Phase I ESA-2201 and 2229 Spring Grove Avenue (January 2014) 16.61MB Phase I ESA-Harrison Terminal (January 2014) 5.16MB Design DRAFT Report – BSB Project: Draft Travel Survey Analysis (February 2014) 0.85MB Design Employment and Population Forecasts 3.95MB Design BSB Project: Preliminary Tolling Concept of Operations (February 2014) 1.26MB Design BSB Project: Potential Cost Savings Estimate (February 2014) 0.16MB Traffic & Tolling BSB Project: Modeling and Traffic Impacts Analysis Technical Memorandum (March 17, 2014) 4.39MB Phase I ESA-2229 Spring Grove Avenue (April 2014) 15.01MB Phase II ESA-Seven Sites Associated with the BSB Project (April 2014) 8.79MB Procurement BSB Project: Procurement Options for the Existing Bridge (April 2014) 0.62MB Traffic & Tolling BSB Project: Evaluation of Toll Alternatives (May 2014) 0.38MB Traffic & Tolling DRAFT BSB Corridor: Traffic & Revenue Forecasting: Forecasted Traffic Diversion (November 25, 2014) 1.36MB
2013
Financial DRAFT Report – BSB Corridor: Value for Money Analysis Technical Feasibility Review and Findings Memo (February 5, 2013) 24.31MB Procurement BSB Project: Options Analysis (September 2013) 3.97MB Procurement DRAFT Spreadsheet – BSB Corridor: Considerations for Potential Hybrid Models (October 21, 2013) 0.2MB Financial BSB Corridor: Summary of RFI Submittals (January 16, 2013) 0.1MB Financial BSB Corridor: BSB Replacement/Rehabilitation Project Initial Financial Plan Exec. Summary (December 31, 2013) 0.6MB
2012
Longworth Hall MOA (June 2012) 0.59MB Design DRAFT Report – BSB Project: Practical Design/Value Engineering Workshop Report (October 17-19, 2012) 11.05MB Financial BSB Corridor: Bi-State Agreements Findings and Recommendations (Prepared by Frost Brown Todd Attorneys, LLC) (December 12, 2012) 2.74MB
2011
Queensgate Playground and Ballfields MOA (May 2011) 4.99MB
2005
Design Feasibility and Constructability Study of the Replacement/Rehabilitation of the Brent Spence Bridge (May 2005) 48.2MB

Environmental Assessment and FONSI

Environmental Assessment (March 2012) 6.38MB Finding of No Significant Impact (August 2012) 1.45MB

Appendix A - Previous Studies and Reports

Public Involvement Plan (October 2005) 0.3MB Red Flag Summary (December 2005) 58.48MB Existing and Future Conditions Report (February 2006) 27.42MB Purpose and Need Statement (May 2006) 4.99MB Planning Study Report (September 2006) 36.02MB Conceptual Alternatives Study (April 2009)-Part 1 41.23MB Conceptual Alternatives Study (April 2009)-Part 2 65.55MB

Appendix B - Traffic Data

Alternative E 1.7MB Alternative I 1.97MB No Build 1.78MB

Appendix C - Engineering Files

Alternative E Design Exceptions 0.47MB Alternative E (KY) 42.75MB Alternative E (OH) 81.97MB Alternative I Design Exceptions 0.29MB Alternative I (KY) 44.11MB Alternative I (OH) 87.17MB Geometric Design Criteria 0.27MB

Appendix D - Cost Estimates and Property Maps

Alternative E Property Maps and Tables 13.06MB Alternative I Property Maps and Tables 12.7MB Project Costs 1MB

Appendix E - Public Involvement and Coordination

Public Involvement Steps 1-5 21.19MB Public Involvement Steps 6-7 3.37MB Concurrence Point #2 Summary 0.71MB Environmental Justice Outreach 10.88MB Agency Coordination 13MB Section 106 Coordination 32.02MB Utility Coordination 5.29MB

Appendix F - Technical Reports

Environmental Justice Technical Memorandum (October 2011) 0.07MB Access Point Request Document (August 2011) 52.26MB Addendum Phase I History/Architecture Survey Addendum Report for the Western Hills Viaduct Interchange - Hamilton County, Ohio (November 2010) 29.3MB Air Quality Technical Report: Carbon Monoxide (November 2010) 7MB Air Quality Technical Report: Mobile Source Air Toxics (November 2010) 6.62MB Bridge Type Selection Report (March 2011) 43.5MB Determination of Effects Report (June 2011) 20.54MB Ecological Survey Report - Kentucky (February 2010) 23.75MB Environmental Site Assessment Screening - Western Hills Viaduct (May 2010) 4.48MB Environmental Site Assessment Screening (April 2007) 14.91MB History/Architecture Survey - Kenton County, Kentucky (April 2010) 26.46MB Kentucky Conceptual Stage Relocation Report (February 2007) 29.62MB Longworth Hall Impact Analysis Report Part 1: Physical Impact (June 2011) 10.97MB Longworth Hall Impact Analysis Report Part 3: Potential Mitigation Measures (June 2011) 11.55MB Ohio Relocation Assistance Program Conceptual Survey (January 2007) 6.46MB Phase I Environmental Site Assessment (April 2010) 42.66MB Phase I History/Architecture Survey - Hamilton County, Ohio (June 2007) 31.58MB Phase II History/Architecture Survey - Hamilton County, Ohio (September 2009) 18.04MB Phase II History/Architecture Survey - Hamilton County, Ohio (December 2008) 10.04MB Preferred Alternative Verification Report (May 2011)-Part 1 10.26MB Preferred Alternative Verification Report (May 2011)-Part 2 66.77MB Preferred Alternative Verification Report (May 2011)-Part 3 51.88MB Project Level One Ecological Survey Report - Ohio (March 2010) 47.05MB Qualitative PM Hot-Spot Analysis (June 2011) 8.57MB Visual Resource Assessment (August 2009) 3.09MB Noise Study: Ohio (December 2011) 1.09MB Noise Study: Kentucky (December 2011) 28.68MB Draft Individual Section 4(f) Evaluation (March 2012) 34.29MB