Well, that is two of us in agreement, so I have edited the page accordingly.
Looks like a rigid frame bridge to me.
My fellow bridgehunters: I have just added this bridge, which the NBI considers to be a slab. To me, it looks more like a rigid frame concrete bridge.
What do you folks think. All we have is Streetview so far.
Sad to report, drove by the bridge on I35 today and noticed it has been removed and replaced with a new bridge as part of the Turkey creek flood control project