Yeah Tony, agree. Some unique characteristics on this one, very stout albeit a little bent up.
I'm not at all convinced about the 1939 build date.
The use of tight lacing with paired angles for the diagonals and double-paired angles for the verts, along with double-laced angles for the lower chord are all very unique!
I'm more inclined to think that this is a riveted Pratt and not a Warren.
2nd bridge run into in the state with a plaque square in the middle of the structure, kind of neat
I was posting comments below as "anonymous", forgot to log back in until now