Alvord Lake Bridge
id:
alvord-lake-bridge-0-15575218
title:
Alvord Lake Bridge
text:
The Alvord Lake Bridge was the first reinforced concrete bridge built in America. It was built in 1889 by Ernest L. Ransome, an innovator in reinforced concrete design, mixing equipment, and construction systems. The bridge was constructed as a single arch 64 feet (20 m) wide with a 20-foot (6.1 m) span. Ransome is believed to have used his patented cold-twisted square steel bar for reinforcement, placed longitudinally in the arch and curved in the same arc. The face of the bridge was scored and
brand slug:
wiki
category slug:
encyclopedia
description:
Bridge in San Francisco
original url:
https://en.wikipedia.org/wiki/Alvord_Lake_Bridge
date created:
date modified:
2024-01-23T16:28:40Z
main entity:
{"identifier":"Q4738344","url":"https://www.wikidata.org/entity/Q4738344"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/c/c0/Alvord_Lake_Bridge_from_the_west%2C_April_2020.JPG","width":5184,"height":3888}
fields total:
13
integrity:
15