(Intracostal Waterway/693, 950', 1966) drawbridge in St. Petersburg Beach, Pinellas County, FL. FL693 (75th Av.) NE 0.4 miles from jct with FL699 (Blind Pass Rd.) in St. Petersburg Beach to the bridge. (N27 44.77 W82 44.77) Photo by Mark Comstock 11-11-07.