ðə sˈɪmæɹən ɹˈɪvɚ fˈɔːɹmz ðə kˈaʊnti lˈaɪn, wˌɛɹ ðə skˈɑːɹ fɹʌm ɐn ˈoʊld stˈiːl tɹˈʌs bɹˈɪdʒ ɪz vˈɪzᵻbəl dʒˈʌst ˈiːst ʌvðə hˈaɪweɪ.
The Cimarron River forms the county line, where the scar from an old steel truss bridge is visible just east of the highway.