Des Moines Steel Co.

Beaver Creek Bridge (Crawford County, Iowa)
Bowstring pony truss bridge over Beaver Creek on 180th Street
Buck Grove Bridge (Crawford County, Iowa)
East Soldier River Bridge (Crawford County, Iowa)
Bowstring pony truss bridge over East Soldier River on 120th Street
Nishnabotna River Bridge (Crawford County, Iowa)
Yellow Smoke Park Bridge (Crawford County, Iowa)