What plate width on girder bridge?

Tom,

i would tell you what member sizes I would use if you can provide a sketch of the length and height of the bridge.

alan graziano

The spacing of the stiffeners is really design specific.  I see some spacing 1:1 or 2:1.  I suggest you Google : plate girder bridge design

Check out the images.  Find the bridge that appeals to you and model that. 

Steims, Wow, thank you.  That website has a host of info.

Alan, as mentioned the deck height is 10 scale feet high by real long.  No sketch available.

Tom,

i would say on that bridge I would go with 2-1/2" spacing.

alan graziano

In general, the panel widths on riveted girders often vary,with wider panels mid span, getting shorter and more rectangular at either end. Each end has an extra vertical stiffener over top the feet.  Welded girder types usually have even panel spacing and deeper girder webs, like the 10' one you plan on using.

Bruce