I took the time to survey the First Coast Expressway Extension (Phase 2) into Clay County Florida. (FL-23)
I was not able to stop and take pictures unfortunately.
While you will not see any signs of work at the terminus of FL-23 and Blanding Boulvard in Middleburg, there is plenty of work going on.
At Hanley Road the overpass is approximately 40% complete. Looking west from Hanley you can see the construction of the Black Creek Bridge is well underway. The formed pylons are standing on the east bank of the creek and work continues on the west bank.
Land grading from Hanley Road east and south to Sandridge Road is still in progress. The Sandridge Road overpass looks about 30% complete and they have the fill and tiles in on the north side of the road. It is very compact and when the trees grow back, it will be somewhat hidden from view. There is a housing tract to the west of the ROW, so i would assume a large sound barrier will go up just south of the overpass.
The next checkpoint was at FL-16 between Penney Farms and Green Cove Springs.
Here the overpass is much farther along. FL-16 is redirected to a shoofly and while the fill and tile sides are done, they are still pouring the center pylon for the expressway beams. The grading for the exit ramps is complete and you can see the grading is finished and the lighting installed all the way back toward Green Cove.
The next checkpoint was at Oakridge Avenue south of Green Cove. The overpass is again about 30-40% complete. No ramps here. The grading east of Oakridge was still quite primitive. Forest has been cut, but no semblance of roadway base yet.
At US-17 there is significant work on the overpasses and ramps. No crossbeams just yet, but the fill and tile was finished. The grading east of US-17 was much farther along.
On FL-16 going east, you begin to see the ROW around Old Shands Road to the south. The forest has been completely cleared and grading for the road is in progress.The clearing ends abruptly at a private property fence before Susan Drive.
No work on the new Shands Bridge has been initiated.
So I am going to guess but it appears based on the progress thus far, the section from where the current Shands Bridge is all the way to Hanley Road will be done first and opened first, and the Black Creek Bridge to Blanding Boulevard will be done last.
Once that is done, work will commence on the new Shands Bridge (Phase 3) The last proposal for the new Shands I saw looked just like the Buckman Bridge, so I wouldn't expect anything too glorious. The FDOT District in this area is weird about their bridge designs. 100% utilitarian.