ATLAS THROUGH PLATE GIRDER BRIDGE -- DOUBLE DOUBLE -- PICTURE

Looks good!

Very nice work. Their clever use of steel stringers inside the plastic model stringers on the Pratt Truss Bridge really gives it strength while preserving it's light look. Do they use the steel stringers in the girder bridge as well?

AB,

   Looks great, real nice job, have been considering something similar for my Christmas layout.

PCRR/Dave

Nice work. Do you have a picture of where it will go? What type of support will you be installing where the two meet in the center?

Thanks all.

Matt. The structural components of these Atlas O plate girder bridges are made of very heavy solid die cast metal.   Stock out of the box and assembled you could put one on a couple of 2 X 4's at each end and stand on it and it'd hold up for sure.    So, there's no need for the metal internal stringers used inside the mostly plastic structural components of the Atlas O Truss Bridge. 

BobbyD.  No picture yet of where it will go.  As for supporting it -- abutments at the ends of course.  And it'll need a pier in the middle because I joined the two halves together with sheet brass which will not be load bearing for this heavy bridge and whatever rolls over it.    A pier in the middle is okay because the bridge will be over a small river/creek/dry wash. 

Bill

Bill

Great job. What is the finished distance from track center to center?  I've thought about doing this with three tracks on our club's modular layout.

Earl 

Thanks, Earl.  The track distance, center to center is 4.5 inches.  This is the standard for the Atlas O 3 rail and 2 rail track geometry based on their rigid curves and #5 and #7.5 switches  - when used unmodified as two switch crossovers. 

This "double double" bridge weighs 16.1 pounds, is 9.5 inches wide, and 30 inches long - plus the track extensions. 

FYI, the Pratt Truss bridge has the same track centers stock, 4.5 inches.  While converting a 3 rail version to 2 rail (I switched from 3 to 2 a while back) I reduced the track centers to 4 inches by building new decking.   But, it'd take a blacksmith to modify the plate girder bridge in question it's so sturdy..

Hope this helps. 

That looks great, nicely done.