CFR › Title 33 › Part 117 › §117.33133 CFR §117.331Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy linkThe draw of the Snake Creek Bridge, at Islamorada, Florida, will open on signal, except that from 7 a.m. to 6 p.m., the draw need open only on the hour.