The allocation of funds to a district or metropolitan planning organization will be encumbered in an amount equal to the district engineer's estimate of the project cost and periodically adjusted to reflect:     
       (1) the bid award;      
       (2) any change orders issued during construction that modify the bid award; and      
       (3) the total amount paid for a project when it is completed and closed out.      
     Source Note:        The provisions of this §16.158 adopted to be effective January 1, 2011, 35 TexReg 8388