After the construction contract is awarded, the political subdivision shall provide for adequate inspection of the project by a registered professional engineer and require the engineer's assurance that the work is being performed in a satisfactory manner in accordance with the approved plans and specifications, other engineering design or permit documents, approved alterations, and provisions for environmental mitigative measures. The executive administrator is authorized to inspect the construction and materials of any project at any time, but such inspection shall never subject the State of Texas to any action for damages. The political subdivision shall take corrective action as necessary to complete the project in accordance with approved plans and specifications.