Colo. Rev. Stat. § 37-31-152
The board of directors has the power to construct the said works across any watercourse, street, avenue, highway, railway, canal, or ditch which the route of such drainage system or any branch thereof intersects or crosses. If any railroad company or the owners and controllers of said property, thing, and franchise to be crossed or the owner of land necessary for said drainage district and the board of directors cannot agree upon the amount to be paid therefor, the same shall be ascertained and determined in all respects as is provided by law in respect to the taking of land for public uses by the exercise of the right of eminent domain, the right to the exercise of which is conferred on said drainage district. Such right of eminent domain shall be exercised in the manner prescribed by article 1 of title 38, C.R.S., provided a juror in such proceeding shall not be disqualified by reason of being a resident or taxpayer within said district.
C.R.S. § 37-31-152