The new fixed bridge, in Matagorda, in Matagorda County, is in operation and the swing bridge no longer exists.
Note: The uglybridges.com listing for Matagorda County is filled with bridges and locations that are not even near Matagorda County.
The swing bridge on Farm-to-Market Road 2031 is in Matagorda County NOT Marion County. It will be replaced by a fixed-span bridge which is under construction.
THis bridge is in Jefferson County Texas. The town of Jefferson is 140 miles north in Marion county!
The photos shown are of the FM 457 bridge:
http://bridgehunter.com/tx/matagorda/131580060501016/
I know because I took them.