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Bridges

 Subject
Subject Source: Library of Congress Subject Headings

Found in 15 Collections and/or Records:

Photo Album of Hill-to-Hill Bridge Construction

 Collection
Identifier: SC Photo-0035
Abstract

Album contains small black and white photographs many of the siting and building of the Hill-to-Hill Bridge over the Lehigh River connecting the two Bethlehems in Pennsylvania. Also in the album are photographs of young men in graduation gowns, college dorm life and young people cavorting in outdoor activities.

Dates: 1921 - 1924

Photographs and blueprints of Washington State Highway Department: Bridges 1920 to 1931

 Collection
Identifier: SC MS 0291
Abstract

Photographs and blueprints of highway bridges built in the 1920s as part of the State of Washington’s Public Works Department post World War I building program. Also some photographs of bridges built in California, apparently designed by Charles Andrew who was bridge engineer for California State Highway Department as well as Washington State Highway Department and Oregon.

Dates: 1920-01-01 - 1931-12-31

Robert Blum Olney Bridge Design Class Notebook

 Collection
Identifier: SC MS 0226
Abstract This manuscript contains three bridge design class exercises indicating the instructional process to train engineering students. Specific step-by-step instruction in designing for various railroad bridge spans, building material specifications, structural loads and stresses to be considered as presented in the professor’s lecture. The complete process of calculating the design with comparisons of different conditions, as well as material available, costs incurred of every aspect of the...
Dates: 1891 - 1892

Samuel Harrison Tilghman, Lehigh Class of 1907, Bridge Design Portfolio

 Collection
Identifier: SC MS0179
Abstract This document is a collection of class assignments in bridge design and topographic drawing offered at the turn of the twentieth century in Lehigh University’s civil engineering curricula. The assignment included making drawings for a truss bridge design proposed for crossing the Monocacy Creek, plotting a plan for a proposed trolley line in Delaware County, the surveying calculations for a railroad on South Mountain, a survey of Lehigh’s campus at the time, a plot of land in Saucon Valley,...
Dates: 1904 - 1907