Tex. Loc. Gov't Code § 552.072
The municipality may make the improvements and assessments provided under this subchapter in conjunction with the street improvements and assessments provided for in Chapter 313, Transportation Code, through a joint proceeding. If a joint proceeding is conducted, only one hearing is required, and the procedure required under this subchapter controls. The municipality may issue a single assessment certificate against a parcel of benefitted property and its owner in evidence of the total assessment made for all improvements made under this subchapter, including street improvements made in a joint proceeding, if the amount assessed for each class of improvements is set out separately and distinctly in the ordinance under which the assessment is made.
Tex. Loc. Gov't. Code § 552.072