| Description | Addendums Q & A | Respondents | Letter of Interest Date | Inquiry End Date | Due Date | 
        
            | LOI NO. 27-2025 Request for Letters of Interest for Pavement Replacement Material Testing and Quality Control Services for Project Nos. 99-26-03(04) 
 LOI No. 27-2025 for Project Nos. 99-26-03(04)
 
 | Addendum No. 1 
 |  | Oct 10, 2025 | Oct 24, 2025 | Nov 7, 2025 | 
        
            | LOI NO. 25-2025 Request for Letters of Interest for Pavement Replacement Construction Administration and Inspection Services for Project Nos. 99-26-01(02) 
 LOI No. 25-2025 for Project Nos. 99-26-01(02)
 
 | Addendum No. 1 Addendum No. 2
 
 |  | Sep 29, 2025 | Oct 13, 2025 | Nov 19, 2025 | 
        
            | LOI NO. 24-2025 Request for Letters of Interest for Bridge Construction Administration and Inspection Services for Project No. 99-25-19 
 LOI No. 24-2025 for Project No. 99-25-19
 
 | Addendum No. 1 Addendum No. 2
 
 |  | Sep 26, 2025 | Oct 10, 2025 | Oct 22, 2025 | 
        
            | LOI NO. 23-2025 Request for Letters of Interest for Professional Engineering Services for Project No. 71-25-10 
 LOI No. 23-2025 for Project No. 71-25-10
 
 | Addendum No. 1 
 | Respondents 
 | Sep 15, 2025 | Sep 29, 2025 | Oct 13, 2025 | 
        
            | LOI NO. 21-2025 Request for Letters of Interest for Professional Engineering Design Services for the Pavement Replacement Program for Project Nos. 71-25-12(13) 
 LOI No. 21-2025 for Project Nos. 71-25-12(13)
 
 |  | Respondents 
 | Aug 25, 2025 | Sep 8, 2025 | Sep 22, 2025 | 
        
            | LOI NO. 20-2025 Request for Letters of Interest for Professional Engineering Services for Project No. 71-25-09 
 LOI No. 20-2025 for Project No. 71-25-09
 
 | Addendum No. 1 
 | Respondents 
 | Aug 25, 2025 | Sep 8, 2025 | Sep 22, 2025 | 
        
            | LOI NO. 18-2025 Request for Letters of Interest for Professional Engineering Services for Project No. 71-25-08 
 LOI No. 18-2025 for Project No. 71-25-08
 
 | Addendum No. 1 
 | Respondents 
 | Aug 11, 2025 | Aug 25, 2025 | Sep 8, 2025 | 
        
            | LOI NO. 17-2025 Request for Letters of Interest for Professional Engineering Services for Project No. 71-25-07 
 LOI No. 17-2025 for Project No. 71-25-07
 
 | Addendum No. 1 
 | Respondents 
 | Aug 11, 2025 | Aug 25, 2025 | Sep 8, 2025 | 
        
            | LOI NO. 16-2025 Request for Letters of Interest for Professional Engineering Services for Project No. 71-25-06 
 LOI No. 16-2025 for Project No. 71-25-06
 
 | Addendum No. 1 
 | Respondents 
 | Aug 11, 2025 | Aug 25, 2025 | Sep 8, 2025 | 
        
            | LOI NO. 14-2025 Request for Letters of Interest to Conduct an Interchange Feasibility Study for Project No. 71-25-18 
 LOI No. 14-2025 for Project No. 71-25-18
 
 |  | Respondents Resolution No. 97-2025
 
 | Jul 15, 2025 | Jul 29, 2025 | Aug 12, 2025 | 
        
            | LOI NO. 13-2025 Request for Letters of Interest for Construction Administration and Inspection Services for Project No. 99-25-18 
 LOI No. 13-2025 for Project No. 99-25-18
 
 |  | Respondents Resolution No. 80-2025
 
 | Jul 1, 2025 | Jul 11, 2025 | Jul 18, 2025 | 
        
            | LOI NO. 9-2025 Request for Letters of Interest for Bridge Repainting Construction Administration and Inspection Services for Project No. 40-25-01 
 LOI No. 9-2025 for Project No. 40-25-01
 
 | Addendum No. 1 
 | Respondents Resolution No. 47-2025
 
 | Mar 26, 2025 | Apr 2, 2025 | Apr 9, 2025 | 
        
            | LOI NO. 6-2025 Request for Letters of Interest for General Construction Administration and Inspection Services for Project No. 99-25-10 
 LOI No. 6-2025 for Project No. 99-25-10
 
 |  | Resolution No. 36-2025 Resolution No. 37-2025
 
 | Jan 30, 2025 | Feb 6, 2025 | Feb 13, 2025 | 
        
            | LOI NO. 4-2025 Request for Letters of Interest for Material Testing and Quality Control Services for Project Nos. 99-25-11(12)(13)(14)(15) 
 LOI No. 4-2025 for Project Nos. 99-25-11(12)(13)(14)(15)
 
 | Addendum No. 1 
 | Respondents Resolution No. 22-2025
 Resolution No. 23-2025
 Resolution No. 24-2025
 Resolution No. 25-2025
 Resolution No. 26-2025
 
 | Jan 15, 2025 | Jan 22, 2025 | Jan 29, 2025 | 
        
            | LOI NO. 2-2025 Request for Letters of Interest for General Construction Administration and Inspection Services for Project Nos. 99-25-08(09)(10) 
 LOI No. 2-2025 for Project Nos. 99-25-08(09)(10)
 
 |  | Respondents Resolution No. 20-2025
 Resolution No. 21-2025
 
 | Jan 6, 2025 | Jan 13, 2025 | Jan 20, 2025 | 
        
            | LOI NO. 1-2025 Request for Letters of Interest for Bridge Construction Administration and Inspection Services for Project Nos. 99-25-05(06)(07) 
 LOI No. 1-2025 for Project Nos. 99-25-05(06)(07)
 
 |  | Respondents Resolution No. 17-2025
 Resolution No. 18-2025
 Resolution No. 19-2025
 
 | Jan 2, 2025 | Jan 9, 2025 | Jan 16, 2025 | 
        
            | LOI NO. 30-2024 Request for Letters of Interest for Professional Engineering Services for Project No. 71-24-19 
 LOI No. 30-2024 for Project No. 71-24-19
 
 | Addendum No. 1 
 | Respondents Resolution No. 65-2025
 
 | Nov 26, 2024 | Dec 10, 2024 | Dec 17, 2024 | 
        
            | LOI NO. 29-2024 Request for Letters of Interest for Pavement Replacement Construction Administration and Inspection Services for Project Nos. 99-25-03(04) 
 LOI No. 29-2024 for Project Nos. 99-25-03(04)
 
 | Addendum No. 1 
 | Respondents Resolution No. 122-2024
 Resolution No. 123-2024
 
 | Nov 8, 2024 | Nov 15, 2024 | Nov 22, 2024 | 
        
            | 2025-2026 Biennial Request for Qualifications to Perform Engineering, Architectural and System Design Services, Surveying, Environmental Services and Construction Support Services 
 |  |  | Nov 4, 2024 | Nov 18, 2024 |  | 
        
            | LOI NO. 27-2024 Request for Letters of Interest for Professional Engineering Services for Project No. 71-24-16 
 LOI No. 27-2024 for Project No. 71-24-16
 
 |  | Respondents Resolution No. 35-2025
 
 | Oct 21, 2024 | Nov 4, 2021 | Nov 12, 2024 | 
        
            | LOI NO. 26-2024 Request for Letters of Interest for Professional Engineering Services for Project No. 71-24-15 
 LOI No. 26-2024 for Project No. 71-24-15
 
 |  | Respondents Resolution No. 34-2025
 
 | Oct 21, 2024 | Nov 4, 2024 | Nov 12, 2024 | 
        
            | LOI NO. 25-2024 Request for Letters of Interest for Professional Engineering Services for Project No. 71-24-14 
 LOI No. 25-2024 for Project No. 71-24-14
 
 | Addendum No. 1 
 | Respondents Resolution No. 49-2025
 
 | Oct 21, 2024 | Nov 4, 2024 | Nov 12, 2024 | 
        
            | LOI NO. 24-2024 Request for Letters of Interest for Professional Engineering Design Services for the Pavement Replacement Program for Project Nos. 71-24-17(18) 
 LOI No. 24-2024  for Project Nos. 71-24-17(18)
 
 | Addendum No. 1 
 | Respondents Resolution No. 15-2025
 Resolution No. 16-2025
 
 | Oct 15, 2024 | Oct 29, 2024 | Nov 5, 2024 | 
        
            | LOI NO. 23-2024 Request for Letters of Interest for Professional Engineering Services for Project No. 71-24-13 
 LOI No. 23-2024 for Project No. 71-24-13
 
 | Addendum No. 1 Addendum No. 2
 
 | Respondents Resolution No. 33-2025
 
 | Oct 7, 2024 | Oct 21, 2024 | Oct 28, 2024 | 
        
            | LOI NO. 22-2024 Request for Letters of Interest for Professional Engineering Services for Project No. 71-24-12 
 LOI No. 22-2024 for Project No. 71-24-12
 
 | Addendum No. 1 
 | Respondents Resolution No. 14-2025
 
 | Sep 30, 2024 | Oct 15, 2024 | Oct 21, 2024 | 
        
            | LOI NO. 21-2024 Request for Letters of Interest for Professional Engineering Services for Project No. 71-24-11 
 LOI No. 21-2024 for Project No. 71-24-11
 
 | Addendum No. 1 
 | Respondents Resolution No. 5-2025
 
 | Sep 23, 2024 | Oct 7, 2024 | Oct 15, 2024 | 
        
            | LOI No. 20-2024 Request for Letters of Interest for General Engineering Services for Project Nos. 99-25-01(02) 
 LOI No. 20-2024 for Project Nos. 99-25-01(02)
 
 | Addendum No. 1 Addendum No. 2
 
 | Respondents Resolution No. 124-2024
 Resolution No. 125-2024
 
 | Sep 16, 2024 | Sep 30, 2024 | Oct 7, 2024 | 
        
            | LOI NO. 18-2024 Request for Letters of Interest for Professional Engineering Services for Project No. 71-24-08 
 LOI No. 18-2024 for Project No. 71-24-08
 
 |  | Respondents 
 | Jun 24, 2024 | Jul 8, 2024
 | Jul 15, 2024 | 
        
            | LOI NO. 13-2024 Request for Letters of Interest for Bridge Construction Administration and Inspection Services for Project No. 43-24-10 
 LOI No. 13-2024 for Project No. 43-24-10
 
 |  | Respondents Resolution No. 100-2024
 
 | May 17, 2024 | May 24, 2024 | May 31, 2024 | 
        
            | LOI NO. 10-2024 Request for Letters of Interest for Construction Administration and Inspection Services  for Project Nos. 99-24-09(10)(11) 
 LOI No. 10-2024 for Project Nos. 99-24-09(10)(11)
 
 |  | Respondents Resolution No. 50-2024
 Resolution No. 72-2024
 
 | Mar 14, 2024 | Mar 21, 2024 | Mar 28, 2024 | 
        
            | LOI NO. 9-2024 Request for Letters of Interest for Professional Engineering Services for Project No. 71-24-01 
 LOI No. 9-2024 for Project No. 71-24-01
 
 | Addendum No. 1 
 | Respondents Resolution No. 73-2024
 
 | Mar 1, 2024 | Mar 15, 2024 | Mar 22, 2024 | 
        
            | LOI NO. 8-2024 Request for Letters of Interest for Professional Engineering Services for Project No. 71-24-02 
 LOI No. 8-2024 for Project No. 71-24-02
 
 | Addendum No. 1 
 | Respondents Resolution No. 88-2024
 
 | Feb 23, 2024 | Mar 8, 2024 | Mar 15, 2024 | 
        
            | LOI NO. 7-2024 Request for Letters of Interest for Professional Engineering Design Services for The Pavement Replacement Program for Project No. 71-24-03 
 LOI No. 7-2024 for Project No. 71-24-03
 
 | Addendum No. 1 
 | Respondents Resolution No. 55-2024
 
 | Feb 9, 2024 | Feb 23, 2024 | Mar 1, 2024 | 
        
            | LOI NO. 4-2024 Request for Letters of Interest for General Construction Administration and Inspection Services for Project Nos. 99-24-05(06) 
 LOI No. 4-2024 for Project Nos. 99-24-05(06)
 
 | Addendum No. 1 
 | Respondents Resolution No. 40-2024
 
 | Jan 18, 2024 | Feb 2, 2024 | Feb 9, 2024 | 
        
            | LOI NO. 1-2024 Request for Letters of Interest for Professional Engineering Services for Project No. 71-23-14 
 LOI No. 1-2024 for Project No. 71-23-14
 
 | Addendum No. 1 Addendum No. 2
 
 | Respondents Resolution No. 63-2024
 
 | Jan 5, 2024 | Jan 19, 2024 | Jan 26, 2024 |