.
https://www.google.com/maps/@32.7599731,-97.343483,1523m/data=!3m1!1e3 (https://www.google.com/maps/@32.7599731,-97.343483,1523m/data=!3m1!1e3)
Found this; looks like it is related to Trinity River re-route project. They are re-routing the river.
http://fortworthtexas.gov/news/2014/08/henderson-detour-in-place-main-street-detour-planned-late-this-year/ (http://fortworthtexas.gov/news/2014/08/henderson-detour-in-place-main-street-detour-planned-late-this-year/)
The Panther Island bridge project is a large project costing around $65 million.
I took this photo in May. Northwest of the bridge site there was some kind of monument being built. It should be well along by now....has anyone been there lately?
(https://1968d90e831cd27d2017897e0c81e9a12852eb10.googledrive.com/host/0B4gwdXQk1LyieHZHSTBqd0VJSnc/aaroads/20150505-0007-panther.jpg)
(https://1968d90e831cd27d2017897e0c81e9a12852eb10.googledrive.com/host/0B4gwdXQk1LyieHZHSTBqd0VJSnc/aaroads/20150505-0015-panther.jpg)