Friday, August 15, 2025

1926+1957+2007 FL-789 John Ringling Causeways over Sarasota Bay in Sarasota, FL

1926: (Archived Bridge Hunter, broken link; Bridge Hunter)
1957: (Archived Bridge Hunter, broken link; Bridge Hunter)
2007: (Satellite)

Boat View, Feb 2019

Drone View, Jan 2022

Peter Moreno posted three photos with the comment: "The John Ringling Causeway in Sarasota Florida."
1

2

I'm guessing it uses concrete box girders.
3

This confirms that it is a concrete box girder bridge.
cdr-eng, 1 of several photos
The 3,100' (945m) long bridge is the primary hurricane evacuation route for the barrier islands. 
"At over 106 ft in width, the Ringling Causeway Bridge set a new record at the time of completion as the World’s widest segmental concrete bridge. The bridge structure consist of a multi-cell post tensioned concrete box girder with spans of about 184 feet [56m] to about 300 feet [91m], supported by reinforced concrete piers and footings on drilled shafts."

BridgeHunter_1926, Boston Public Library

BridgeHunter_1957

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