Okla. Stat. tit. 69, § 69-626: Duties of county engineer

(a) The county engineer shall, when requested by the board of

county commissioners, give instruction or advice with reference to

the construction, building or repairing of any roads or bridges.

(b) When requested by the board of county commissioners, the

county engineer shall personally inspect the condition of any of the

roads, culverts and bridges within his county, and shall upon the

board's request make such surveys and perform such other duties in

connection with his office as may be required as herein provided,

and he shall, if required, make his report of such examination in

writing, together with such recommendations as he may offer relative

to the construction, repairing or building of any such road or

bridge.