![North Side, Walnut Lane Bridge [North Side, Walnut Lane Bridge]](/images/north_side_walnut_lane_bridge_asce_426_small.jpg)
Description: North Side, Walnut Lane Bridge.
Source: George S. Webster and Henry H. Quimby, "Walnut Lane Bridge, Philadelphia" (Transactions of the American Society of Civil Engineers, December 1909, vol. LXV, plate XIV, opposite page 426).
Description: North Side, Walnut Lane Bridge.
Source: George S. Webster and Henry H. Quimby, "Walnut Lane Bridge, Philadelphia" (Transactions of the American Society of Civil Engineers, December 1909, vol. LXV, plate XIV, opposite page 426).