Unofficial Notice of Invitation to Bid (NIB)

Paso de Robles City is seeking bids from qualified and interested contractors for the following project titled, Engineering Services for the State Route 46 East/Airport Road Undercrossing Feasibility Study, identified under Solicitation ID: DPW 25-35. Work is to be performed near 4305 Second Wind Way, Paso Robles, CA 93446, USA in San Luis Obispo County.

Create a Free account to view ALL details and documentsNo credit card required

General Project Description

The City of Paso Robles is soliciting proposals from qualified consulting firms to conduct a feasibility study for an undercrossing at State Route 46 East and Airport Road in the vicinity of Union Road. The project's objective is to determine if a grade-separated undercrossing is a technically, environmentally, and financially feasible alternative to existing overcrossing/interchange concepts. This involves evaluating cost savings, constructability advantages, and potential fatal flaws, providing the City with a basis for decision-making and future grant applications.

General Bid Items

Quantity: - Unit: - Work Item: Project Initiation and Background Review (Review relevant background materials, confirm project goals, establish assumptions, outline coordination needs)
Quantity: - Unit: - Work Item: Existing Conditions Analysis (Topographic survey, right-of-way and ownership, Huer Huero Creek flood elevations, General Plan Circulation Element/Parallel Routes Plan consistency, private property access/local road connectivity, traffic impacts, environmental factors)
Quantity: - Unit: - Work Item: Engineering Feasibility and Concept Development (Develop and evaluate a minimum of three conceptual undercrossing alternatives, including at Huer Huero Creek Bridge, Union Road intersection, and Airport Road intersection, with connectivity to existing streets/properties)
Quantity: - Unit: - Work Item: Preliminary Traffic Analysis (Work with Central Coast Transportation Consultants (CCTC) to demonstrate undercrossing concepts can accommodate General Plan buildout)
Quantity: - Unit: - Work Item: Hydrology, Hydraulics, and Floodplain Considerations (Review existing drainage/floodplain conditions, identify stormwater management, floodplain encroachment, and conveyance considerations)
Quantity: - Unit: - Work Item: Environmental and Regulatory Screening (Perform high-level review of potential environmental considerations and permitting requirements, identify key constraints/challenges)
Quantity: - Unit: - Work Item: Cost Estimation and Funding Considerations (Prepare planning-level cost estimates for each conceptual alternative)
Quantity: - Unit: - Work Item: Comparative Evaluation and Screening Matrix (Establish evaluation criteria, develop comparative analysis of alternatives, recommend preferred concept with rationale)
Quantity: - Unit: - Work Item: Agency and Stakeholder Coordination (Support coordination among City, partner agencies, and stakeholders; assist in communicating project progress and findings)
Quantity: - Unit: - Work Item: Deliverables (Technical Memoranda: Hydrology/Hydraulics, Environmental Constraints, Right-of-Way, Cost Estimates; Draft Feasibility Study Report; Final Feasibility Study Report; Presentation Materials)

NAICS Classification

NAICS 541330 – Engineering Services (For providing civil, traffic, environmental, geotechnical, structural, and hydrological engineering analysis and design for the feasibility study)., NAICS 541611 – Administrative Management and General Management Consulting Services (For project management, agency coordination, and funding considerations related to the study)., NAICS 541620 – Environmental Consulting Services (For conducting environmental and regulatory screening as part of the feasibility assessment).

Records and Due Date

This bid opportunity was entered into BidAmerica on November 19, 2025, and was last updated on November 18, 2025. All bids and/or proposals are due on January 14, 2026.

Contractors may log in or create a free BidAmerica account to view full project documents, plans, specifications, addenda, submission requirements, and more project details issued by Paso de Robles City.

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 Paso de Robles City. 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 Paso de Robles City prior to bidding.