§ 219. Definitions. As used in this article: 1. "Town highway" shall mean highways constructed, improved or maintained by the town with the aid of the state or county, under the provisions of the highway law, including all highways in towns, outside of incorporated villages constituting separate road districts, except state highways, county roads, parkways, state thruways and controlled access highways as defined by the highway law.

2. "Project" shall mean a town highway improvement, repair or reconstruction.

3. "Approved project" shall mean a project approved as provided by this article.

4. "Plan" shall mean a map and specifications showing (a) the location of a project, (b) the estimated cost of such project, (c) the proposed width, thickness and type of highway, (d) a statement of necessity for such project relied upon by the town, and (e) the projects to be completed in each year of the period of the duration of this article.

5. "Commissioner" shall mean the commissioner of transportation of the state of New York.

6. "County superintendent" shall mean the county superintendent of highways.

7. "Town superintendent" shall mean the town superintendent of highways.

8. "Highway" shall include necessary sluices, drains, ditches, waterways, embankments, retaining walls, bridges on such highway and under the jurisdiction and control of the town and culverts, and the approaches of any such bridge or culvert beginning at the back of the abutments. The term does not include sidewalks or boardwalks or renewals thereof.

9. "Board of supervisors" shall mean the elective governing body of a county, by whatever name designated.

10. "Roadbed" shall mean the portion of the highway, improved, designed or ordinarily used for vehicular travel, exclusive of the berm or shoulder.

11. "Bridge" shall mean any structure whether of single or multiple span construction with a clear span in excess of five feet with measurements to be made in the manner set forth in subdivision two of section two hundred thirty of this chapter.

12. "Culvert" shall mean any structure whether of single or multiple span construction with an interior width of five feet or less with measurements to be made in the manner set forth in subdivision two of section two hundred thirty of this chapter.