2021 Tennessee Code
Part 7 - Construction and Maintenance by Districts
§ 69-5-713. Bridges Built by County Across Public Highway

Whenever the making of an improvement across a public highway necessitates the building of a bridge over the highway, the county shall build and construct the same and pay all costs of the bridge out of the county bridge fund, if such a fund is provided, and, if not, out of the general county fund.