Treasure Island Causeway Middle bascule bridge
Bascule drawbridgeTreasure Island Causeway Middle bascule bridge is a bascule drawbridge with 21 ft of clearance closed, measured to mean high water. Its open clearance is not charted.
Clearances are from NOAA chart US5TPAFE, measured to mean high water. Actual clearance is lower whenever the water stands above that level, as at higher tides and in storm surge. Always confirm against your vessel's air draft and the posted clearance gauge before transiting.
Pathr nautical charts
Treasure Island Causeway Middle bascule bridge on the chart
Find the bridge and its charted vertical clearance in one view. Select a pin to compare nearby bridges, see open and closed clearances where charted, and open its operating details.
How to request an opening
(j) The Treasure Island Causeway Bridge, mile 119.0, at Treasure Island, Florida shall open on signal except that from 7 a.m. to 7 p.m. the draw need only open on the hour, 20 minutes after the hour and 40 minutes after the hour Monday through Friday and on the quarter hour and three-quarter hour on Saturday, Sunday and Federal holidays.
Source: US Coast Guard drawbridge regulations, 33 CFR 117.287 (Gulf Intracoastal Waterway). Confirm before transiting.
Frequently asked
What is the clearance under Treasure Island Causeway Middle bascule bridge?+
Treasure Island Causeway Middle bascule bridge is a bascule drawbridge with 21 ft of clearance closed, measured to mean high water. Its open clearance is not charted. These figures are from NOAA chart data. Real clearance drops whenever the water stands above the level they are measured to, so leave a margin for your air draft.
How do I get Treasure Island Causeway Middle bascule bridge to open?+
Contact the bridge tender on VHF-FM, or sound the required signal. Operating schedule: (j) The Treasure Island Causeway Bridge, mile 119.0, at Treasure Island, Florida shall open on signal except that from 7 a.m. to 7 p.m. the draw need only open on the hour, 20 minutes after the hour and 40 minutes after the hour Monday thro
Tides & conditions at this crossing
Clearance under Treasure Island Causeway Middle bascule bridge shrinks as the water rises. Check the water level and marine conditions at the nearest NOAA station, Long Key, 0.5mi N. of Corey Causeway (1 mi away).
