Pennsylvania Railroad, 52nd Street Bridge, North Fifty-second Street at Lancaster Avenue, Philadelphia, Philadelphia County, PA
Summary
Significance: The bridge's main span, a pin-connected Parker through truss, is an exceptionally long example of its type. Its length surpasses the practical limit of 300', beyond which a subdivided Pennsylvania truss was commonly used instead. The span and its approaches are integral to the 52nd Street Station complex, rebuilt during the Pennsylvania Railroad's campaign to separate passenger and freight traffic in the 1900s.
Unprocessed Field note material exists for this structure: N628
Survey number: HAER PA-546
Building/structure dates: 1902 Initial Construction
The train station image dataset is picked from the world's largest public domain archive. Made in two steps - first, curated set, followed by running 25 Million public domain images through image recognition, it comprises more than 50,000 train station images from all countries and times. All images are in the public domain, so there are no restrictions on the dataset usage - educational, scientific, and commercial.
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