Okla. Stat. tit. 69, § 69-605: Bridge contracts - Preliminary action

Whenever the board of county commissioners shall determine to

construct a permanent bridge or culvert, the engineer's estimated

cost of which exceeds the sum of Ten Thousand Dollars ($10,000.00),

it shall adopt a resolution of necessity, containing substantially

the following matters, to wit:

(a) The location of such bridge or culvert, which location shall

be so plainly pointed out that the same can easily be determined.

(b) The material of which such bridge or culvert is to be

constructed.

(c) The approximate width of the roadway and depth of fill, if

any, over the crown or floor of the bridge or culvert.

(d) The approximate length of span or arch of the bridge or

culvert.

(e) The approximate area of the watershed to be drained through

the bridge or culvert.

(f) The estimated cost of the bridge or culvert.