Indian Rocks Causeway

The Indian Rocks Causeway (also called the Indian Rocks Bridge) is a twin-span double-leaf bascule bridge that crosses the Narrows, part of the Gulf Intracoastal Waterway, connecting the barrier islands of Indian Rocks Beach and the mainland of Largo, Florida. The bridge carries Walsingham Road, part of SR 688. The eastbound span of the Indian Rocks Causeway was built in 1958, replacing the original swing bridge built in 1916, and the westbound span was built in 1999.^[1][2][3]

Indian Rocks Causeway
The Indian Rocks Causeway in 2019.
Coordinates	27°53′00.1″N 82°50′43.6″W
Carries	SR 688
Crosses	The Narrows
Locale	Indian Rocks Beach, Florida
Official name	Indian Rocks Causeway
Other name(s)	Indian Rocks Bridge
Owner	State Highway Agency
Characteristics
Design	Bascule
Material	Steel
Total length	458 feet
Width	35 feet
Clearance above	19 feet
Clearance below	23 feet
No. of lanes	Four
History
Opened	1916 (original swing bridge) 1958 (current eastbound) 1999 (current westbound)
Statistics
Daily traffic	8,550
Toll	None
Location