File:RRTrussBridgeSideView.jpg

DescriptionRRTrussBridgeSideView.jpg English: A Southern Pacific Railroad bridge, now part of the Iron Horse Regional Trail in Contra Costa County, California

to en.wikipedia. 2004-07-20 03:23 Leonard G. 400×400×8 (61414 bytes) 179 305 8 8 400 400 This is a warren truss bridge with vertical supports. English