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Unofficial Notice of Invitation to Bid (NIB)

San Luis Obispo County is seeking bids from qualified and interested contractors for the following project titled, Design Services for Santa Rita Road at Old Creek Bridge Replacement, identified under Solicitation ID: 1947. Work is to be performed near 919 Palm St, San Luis Obispo, CA 93401, USA in San Luis Obispo County.

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General Project Description

The County of San Luis Obispo is soliciting proposals for professional design and engineering services for the replacement of the existing 86-year-old timber bridge on Santa Rita Road at Old Creek Road. The project aims to replace the bridge with a 24-foot width including 10-foot lanes and 2-foot shoulders. This federally funded project requires compliance with Caltrans Local Assistance Programs Guidelines and Local Assistance Procedures Manual, and involves studies such as Preliminary Environmental Study (PES). A temporary bridge or low water crossing detour is anticipated during construction, and the project is subject to NEPA and CEQA requirements and agency-specific permitting.

General Bid Items

  • Quantity: 1  Unit: LS  Work Item: Project Management and Coordination
  • Quantity: 1  Unit: LS  Work Item: Preliminary Engineering and Design Studies
  • Quantity: 1  Unit: LS  Work Item: Environmental Studies and Permitting Support (NEPA/CEQA)
  • Quantity: 1  Unit: LS  Work Item: Geotechnical Investigations and Analysis
  • Quantity: 1  Unit: LS  Work Item: Hydrologic and Hydraulic Analysis
  • Quantity: 1  Unit: LS  Work Item: Structural Design of Bridge Replacement
  • Quantity: 1  Unit: LS  Work Item: Roadway Approach Design (10-ft lanes, 2-ft shoulders)
  • Quantity: 1  Unit: LS  Work Item: Utility Conflict Identification and Relocation Design Coordination
  • Quantity: 1  Unit: LS  Work Item: Detour Design (Temporary Bridge or Low Water Crossing)
  • Quantity: 1  Unit: LS  Work Item: Storm Water Management Design (SWPPP if applicable)
  • Quantity: 1  Unit: LS  Work Item: Preparation of Plans, Specifications, and Estimates (PS&E)
  • Quantity: 1  Unit: LS  Work Item: Construction Support Services (during future construction phase)

NAICS Classification

NAICS 541330 – Engineering Services (Providing professional design and engineering services for bridge replacement projects, including studies, plans, and technical specifications.), NAICS 541310 - Architectural Services (Could be applicable if architectural design elements are integrated into the bridge aesthetic, but primarily focused on civil/structural engineering design.)

Records and Due Date

This bid opportunity was entered into BidAmerica on February 24, 2026, and was last updated on February 24, 2026. All bids and/or proposals are due on March 20, 2026.

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Legal Disclaimer

All bidders are responsible for reviewing and verifying all official bid documentation directly from the issuing agency. BidAmerica aggregates public bid information for advertisement purposes for contractors and government agencies convenience. This Notice of Invitation to Bid is for reference purposes only and is not an official or complete representation of any documents issued by San Luis Obispo County. BidAmerica does not guarantee the accuracy, completeness, or timeliness of any information displayed and shall not be held liable for any errors, omissions, misinterpretations, or damages resulting from reliance on this summary. Contractors must obtain all official information—including plans, specifications, addenda, deadlines, submission requirements, qualifications, and bidding conditions—directly from San Luis Obispo County prior to bidding.