![[Walnut Lane Bridge postcard from 1910]](/images/walnut_lane_bridge_postcard_small.jpg "Walnut Lane Bridge postcard from 1910")
Description: Walnut Lane Bridge postcard. The text on the front reads, "Walnut Lane Bridge over Drive, largest concrete bridge ever constructed, Philadelphia, Pa.". The postcard is postmarked 1910.
Description: Walnut Lane Bridge postcard. The text on the front reads, "Walnut Lane Bridge over Drive, largest concrete bridge ever constructed, Philadelphia, Pa.". The postcard is postmarked 1910.