(a) Except as provided by Subsection (b), the commission or board of trustees under Chapter 54, Transportation Code, may periodically dispose of surplus or salvage personal property in the same manner as the commissioners court of a county under Subchapter D, Chapter 263, Local Government Code.
(b) The commission or board of trustees under Chapter 54, Transportation Code, may authorize:
(1) the destruction or disposition of salvage or surplus property as worthless if the property is so worn, damaged, or obsolete that it has no value for the purpose for which it was originally intended, and the expense to the district to attempt to sell the property would be more than the proceeds from the sale; and
(2) following any required action by the United States Army Corps of Engineers, the sale of dredge material from a dredge material placement area to any person on such terms and conditions as the commission or board of trustees considers appropriate or advantageous to the district.