Lime Arch Bridge in Pittsburg County, Oklahoma
Photo by Jay Wilbur
NABSQNO 15S-252897-3848813. Lime Arch Bridge is a waterfall natural bridge eroded through Wapanuka limestone by Arch Branch, a tributary of Brushy Creek. It is located about 4 miles due east of Blanco, in Pittsburg County, Oklahoma. Reporting a span of 18 feet, Vreeland listed it as number 17-29 in his catalog. Visitors are advised that the area around this natural arch is heavily overgrown with poison ivy.