View current bidding and contracting opportunities. Learn about current bid and contract opportunities available to consultants, service providers, contractors, vendors, or suppliers.1. Create an account and click "Post Your Bid. Bids offered must be submitted on agency forms. Bexar County's Open and Closed Solicitations are posted below. Please register or login to see details of all open opportunities. All construction for City of San Antonio projects shall meet the requirements as set forth in this manual and details. Bexar County is proposing to reconstruct a 0.9 mile (approximate) segment of Roft Road, between Rockwall Mill and FM 471 (Culebra Rd).