Right in/right out on I-75/Alligator Alley?

[Revive 755]

Is this just a private/levee maintenance access, or are these ramps open to the general public?

http://maps.google.com/maps?q=miami,+fl&hl=en&ll=26.172362,-80.892602&spn=0.004068,0.008256&sll=26.172386,-80.893139&sspn=0.008175,0.016512&t=k&hnear=Miami,+Miami-Dade,+Florida&z=18

http://maps.google.com/maps?q=miami,+fl&hl=en&ll=26.172217,-80.893139&spn=0.004068,0.008256&sll=26.172386,-80.893139&sspn=0.008175,0.016512&t=k&hnear=Miami,+Miami-Dade,+Florida&z=18&layer=c&cbll=26.172217,-80.893358&panoid=USS0TqJexCcMCS5dAfp1lg&cbp=12,124.62,,0,9.77

http://maps.google.com/maps?q=miami,+fl&hl=en&ll=26.17255,-80.892897&spn=0.004087,0.008256&sll=26.172386,-80.893139&sspn=0.008175,0.016512&t=k&hnear=Miami,+Miami-Dade,+Florida&z=18&layer=c&cbll=26.172558,-80.892548&panoid=7iYGGWPB4ZuvrPmvQTCx7g&cbp=12,292.97,,0,4.09

[NE2]

Open to the public (at least until recently?): https://public.myfwc.com/le/boatramp/public/Ramp.aspx?FacilityID=CO98449YW&Name=L-28+Interceptor+Canal+at+Alligator+Alley