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Environmental Assessment and FONSI 

Environmental Assessment (March 2012)Download

Finding of No Significant Impact (August 2012)Download

Appendix A – Previous Studies and Reports 

Conceptual Alternatives Study Part 1 (April 2009)Download

Conceptual Alternatives Study Part 2 (April 2009)Download

Planning Study Report (September 2006)Download

Purpose and Need Statement (May 2006)Download

Existing and Future Conditions Report (February 2006)Download

Red Flag Summary (December 2005)Download

Public Involvement Plan (October 2005)Download

Appendix B – Traffic Data  

Alternative EDownload

Alternative IDownload

No BuildDownload

Appendix C – Engineering Files  

Alternative-E-Design-ExceptionsDownload

Alternative IDownload

Alternative EDownload

Alternative-I-Design-ExceptionsDownload

Alternative I KY (July 2010)Download

Alternative I OH (May 2011)Download

Geometric-Design-CriteriaDownload

Appendix D – Cost Estimates and Property Maps  

Alternative-E-Property-Maps-and-Tables.pdfDownload

Alternative-I-Property-Maps-and-Tables.pdfDownload

Project CostsDownload

Appendix E – Public Involvement and Coordination 

Public-Involvement-Steps-1-5.pdfDownload

Public Involvement Steps 6-7Download

Concurrence Point #2 SummaryDownload

Environmental-Justice-Outreach.pdfDownload

Agency CoordinationDownload

Section-106-Coordination.pdfDownload

Utility CoordinationDownload

Appendix F – Technical Reports 

Draft Individual Section 4f Evaluation (March 2012)Download

Noise Study – Ohio (December 2011)Download

Noise Study – Kentucky (December 2011)Download

Environmental Justice Technical Memorandum (October 2011)Download

Access Point Request Document (August 2011)Download

Determination of Effects Report (June 2011)Download

Longworth Hall Impact Analysis Report Part 1 Physical Impact Limits (June 2011)Download

Longworth Hall Impact Analysis Report Part 3 Potential Mitigation Measures (June 2011)Download

Qualitative PM Hot-Spot Analysis (June 2011)Download

Preferred Alternative Verification Report – Part 1 (May 2011)Download

Preferred Alternative Verification Report – Part 2 (May 2011)Download

Preferred Alternative Verification Report – Part 3 (May 2011)Download

Bridge Type-Selection Report (March 2011)Download

Air Quality Technical Report: Mobile Source Air Toxics (November 2010)Download

Addendum Phase I History/Architecture Survey Addendum Report for the Western Hills Viaduct Interchange – Hamilton County, Ohio (November 2010)Download

Air Quality Technical Report: Carbon Monoxide (November 2010)Download

Environmental Site Assessment Screening – Western Hills Viaduct (May 2010)Download

History/Architecture Survey – Kenton County, Kentucky (April 2010)Download

Phase I Environmental Assessments (April 2010)Download

Level I Ecological Survey Report OH (March 2010)Download

Ecological Survey Report – Kentucky (February 2010)Download

Phase II History Architecture Investigations Hamilton County (September 2009)Download

Visual Resource Assessment (August 2009)Download

Phase II History Architecture Investigations (December 2008)Download

Phase I History Architecture Survey OH (June 2007)Download

Environmental Site Assessment Screening (April 2007)Download

Conceptual Stage Relocation Report Kentucky (February 2007)Download

Ohio Relocation Assistance Program Conceptual Survey (January 2007)Download

2025

Riverfront Commons Trail Public Notice (January 2025)Download

2024

Project Advisory Meeting Summary (May 2024)Download

Project Advisory Committee Presentation (May 2024)Download

PAC Meeting Summary (February 2024)Download

Socioeconomic Technical Report (January 2024)Download

Environmental Justice Analysis Report (January 2024)Download

Draft Individual Section 4f Evaluation (January 2024)Download

Public Involvement Summary (January 2024 – Part 1)Download

Public Involvement Summary (January 2024 – Part 2)Download

Public Involvement Summary (January 2024 – Part 3)Download

Public Involvement Summary (January 2024 – Part 4)Download

Supplemental Environmental Assessment Appendices (January 2024)Download

Supplemental Environmental Assessment (January 2024)Download

2023

Interchange Modification Study Summary (January 2024)Download

Interchange Modification Study (IMS) Compiled (December 2023)Download

Noise Analysis Report with Appendices Updated (October 2023)Download

BSBCP – Section 106 Programmatic Agreement (October 2023)Download

MSAT Analysis (August 2023)Download

Kentucky Southern Section Noise Report Revised (August 2023)Download

Kentucky Northern Section – Traffic Noise Impact Analysis Report (August 2023)Download

Project Advisory Committee Meeting Summary (August 2023)Download

Historic Survey Report Addendum (May 2023)Download

Aesthetic Committee Meeting Summary (KY) (March 2023)Download

Stream and Wetland-Summary (March 2023)Download

OH-KY Interstate Cooperate Agreement Fully Executed (February 2023)Download

Additional Traffic Noise Assessment Technical Memo – KY Southern Section (February 2023)Download

Ohio Aesthetics Subcommittee Meeting Summary (January 2023)Download

Diversity & Inclusion Committee Meeting Presentation (January 2023)Download

Technical Memo (PID 114161) Selection of the Preferred Alternative at the I-75 and WHV Interchange (January 2023)Download

Aesthetics Committee Meeting Summary (January 2023)Download

2022

Memorandum of Understanding and associated supplements (most recent supplement February 2022)Download

DBE Information Session Presentation (December 2022)Download

Willow Run Storm Water Separation Study Report Reduced (December 2022)Download

Diversity & Inclusion Committee Meeting Presentation (November 2022)Download

Aesthetic Committee Meeting Summary (KY) (November 2022)Download

Noise Analysis Technical Memo – KY Northern Section (November 2022)Download

10c Biological-Assessment (October 2022)Download

Level 1 Ecological Survey Report (OH) (October 2022)Download

10d Cultural Historic Survey Report (October 2022)Download

Aesthetic Committee Meeting Summary (KY) (October 2022)Download

Aesthetic Committee Meeting Summary (KY) (August 2022)Download

Traffic Operations Report (August 2022)Download

Design Summary Report (August 2022)Download

ESA Screening 2022 Reevaluation (Kentucky) (July 2022)Download

7b Phase I History Architecture Re-evaluation Survey (July 2022)Download

Project Advisory Committee Meeting Summary (June 2022)Download

Aesthetic Committee Meeting Summary (OH) (June 2022)Download

Aesthetic Committee Meeting Summary (KY) (June 2022)Download

2022 Project Summary with Associated Costs (June 2022)Download

Governance Structure Report (February 2022)Download

2021

Project Summary Report (November 2021)Download

Certified Traffic Report – HAM-75 Linn St to Hopple St & Western Hills Viaduct Interchange (June 2021) and Appendix A (Traffic Plates) (September 2021)Download

2020

BSB Project: TransModeler Calibration and Results (May 2020)Download

Brent Spence Bridge Traffic and Concept Analysis (May 2020)Download

Analysis of Design Concepts (May 2020)Download

2019

Brent Spence Bridge Project: Traffic Counts, Modeling and Forecast Review (December 2019)Download

Performance Based Design Workshop (December 2019)Download

2018

FHWA Re-evaluation of the Brent Spence Bridge Replacement/Rehabilitation Project (March 2018)Download

2017

Draft Corridor Drainage Study Technical Report (November 2017)Download

Phase I Property Assessment-Duke Energy Site 646 & 655 Mehring Way (February 2017)Download

2015

BSB Corridor: Intersection Traffic Operational Evaluation Approach (December 2015)Download

Whiz Bang Concept (December 2015)Download

I-71 Re-Routing Traffic Modeling Memo (November 2015)Download

DRAFT Report – BSB Project Cost Savings Study (Prepared by Parsons Brinckerhoff) (March 2015)Download

NEPA Reevaluation 1 (February 2015)Download

Preliminary Environmental Justice Analysis (February 2015)Download

2014

DRAFT BSB Corridor: Traffic & Revenue Forecasting: Forecasted Traffic Diversion (November 2014)Download

BSB Project: Evaluation of Toll Alternatives (May 2014)Download

BSB Project: Procurement Options for the Existing Bridge (April 2014)Download

Phase II ESA – Seven Sites Associated with the BSB Project (April 2014)Download

4b Phase I ESA-2229 Spring Grove Avenue (April 2014)Download

BSB Project: Modeling and Traffic Impacts Analysis Technical Memorandum (March 2014)Download

BSB Project: Potential Cost Savings Estimate (February 2014)Download

BSB Project: Preliminary Tolling Concept of Operations (February 2014)Download

BSB Project: Employment and Population Forecasts (February 2014)Download

DRAFT Report – BSB Project: Draft Travel Survey Analysis (February 2014)Download

Phase I ESA-Harrison Terminal (January 2014)Download

3b Phase I ESA 2201 and 2229 Spring Grove Avenue (January 2014)Download

2013

BSB Corridor: BSB Replacement/Rehabilitation Project Initial Financial Plan Exec. Summary (December 2013)Download

DRAFT Spreadsheet – BSB Corridor: Considerations for Potential Hybrid Models (October 2013)Download

BSB Project: Options Analysis (September 2013)Download

DRAFT Report – BSB Corridor: Value for Money Analysis Technical Feasibility Review and Findings Memo (February 2013)Download

BSB Corridor: Summary of RFI Submittals (January 2013)Download

2012

BSB Corridor: Bi-State Agreements Findings and Recommendations (Prepared by Frost Brown Todd Attorneys, LLC) – (December 2012)Download

Practical Design Value Engineering Workshop Report (October 2012)Download

Longworth Hall MOA (June 2012)Download

2011

Queensgate Playground and Ballfields MOA (May 2011)Download

2005

Feasibility and Constructability Study of the Replacement/Rehabilitation of the Brent Spence Bridge (May 2005)Download