AKA: Golden Gate Park, Reinforced Concrete Bridge, San Francisco, CA

Structure Type: built works - infrastructure - transportation structures - bridges; landscapes - parks - urban parks

Designers: Ransome, Ernest Leslie, Engineer (firm); John Hays McLaren (landscape architect); Ernest Leslie Ransome (civil engineer)

Dates: constructed 1886-1887

San Francisco, CA

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Located in Golden Gate Park;

Overview

The Alvord Lake Bridge was the first bridge constructed of reinforced concrete in the world; it measured 19.52 meters in width, 6.1 meters in span. English-born civil engineer Ernest Leslie Ransome (1844-1917) designed the bridge to look as though it were constructed with rusticated stone blocks. the closed-spandrel, arched bridge carried Kezar Drive over a pedestrian walkway.

PCAD id: 5613