Historically it was the S-12s structures…
That fed Everglades National Park its water from the north.
|S-12B structure as seen near Shark Valley VC,|
looking east down the Tamiami Trail
With one bridge built,
And two more on the way …
|Third of three bridges,|
The move is afoot to shift more flow to the east to the main thalweg of Shark River Slough.