Bollman Truss Railroad Bridge - View this location on map The Bollman truss railroad bridge at Savage, Maryland is the sole surviving example of a revolutionary design in the history of American bridge engineering. The design was the first successful all-iron bridge design to be adopted and consistently used (from 1850-1875) on a railroad. The bridge is one of the oldest standing iron railroad bridges in the United States Spanning Little Patuxent River near the junction of Gorman Road and Foundry Street, Savage, Maryland Historical

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