Okla. Stat. tit. 47, § 47-11-506: Pedestrians on roadways or bridges

(a) Where sidewalks are provided, it shall be unlawful for any

pedestrian to walk along and upon an adjacent roadway.

(b) Where sidewalks are not provided, any pedestrian walking

along and upon a highway shall, when practicable, walk only on the

left side of the roadway or its shoulder facing traffic which may

approach from the opposite direction and shall yield to approaching

vehicles.

(c) It shall be unlawful for any person to enter upon any

portion of a bridge for the purpose of diving or jumping therefrom

into a lake, river or stream for recreation, and it shall be

unlawful for a pedestrian to use a bridge where sidewalks are not

provided for the purpose of standing or sightseeing.