State Road 666 (SR 666) is a short state road in Pinellas County. Locally known as Tom Stuart Causeway, Welch Causeway, or Madeira Beach Causeway, the route crosses Boca Ciega Bay from Seminole to Madeira Beach. The bridge crossing Boca Ciega Bay is a bascule bridge with 11 spans, built in 1962. The route ends with an interchange with U.S. Route 19 Alternate (US 19 Alt.) in Bay Pines (originally built for the formerly proposed Pinellas Belt Expressway). The southwestern terminus of the route is at State Road 699 in Madeira Beach, in front of the Ocean Sands hotel.
Major intersections
The entire route is in Pinellas County.
| Location | mi[1] | km | Destinations | Notes | |
|---|---|---|---|---|---|
| Madeira Beach | 0.000 | 0.000 |  SR 699 (Gulf Boulevard) – Redington Beach | ||
| 0.500– 0.642 | 0.805– 1.033 | Tom Stuart Causeway over Boca Ciega Bay (Gulf Intracoastal Waterway) | |||
| 0.887 | 1.427 | Duhme Road (CR 321 north) | |||
| Seminole | 1.2 | 1.9 | Exit to school (EB only) | ||
| 1.391 | 2.239 |   US 19 Alt. (SR 595) – Seminole, Clearwater, St. Petersburg | Interchange | ||
| 1.000 mi = 1.609 km; 1.000 km = 0.621 mi | |||||
See also
- Dunedin Causeway
- Clearwater Memorial Causeway
- Sand Key Bridge
- Belleair Causeway
- Indian Rocks Causeway
- Park Boulevard Bridge
- John's Pass Bridge
- Treasure Island Causeway
- Corey Causeway
- Pinellas Bayway
References
- ^ a b FDOT straight line diagrams Archived March 6, 2014, at the Wayback Machine, accessed March 2014
External links
KML is not from Wikidata
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