Specifications include, but are not limited to:. County Commission is accepting sealed bids for precast Reinforced Concrete Box Culverts at two locations in Audrain County: 1) 24335 Audrain Road 332, 10’ span x 5’ rise, 36’ length 2) 08180 Audrain Road 133, 9’ span x 5’ rise, 36’ length RCB Culverts shall meet current Missouri Department of Transportation standards and specifications for Concrete Single Box Culvert. Bidders may substitute a 10’ span x 5’ rise RCB at location #2 at no additional cost. Minimum length is 36’ but may be increased to compensate for RCB segment length. RCB Culverts shall be fabricated and stored at bidder’s site available to be delivered to each specified location following seven (7) days advanced notice between the dates of July 15 and November 1, 2020.