Delaware, Lackawanna & Western Railroad, Delaware River Viaduct, Spanning Delaware River, north of Portland-Columbi, Portland vicinity, Northampton County, PA

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Historic American Buildings Survey/Historic American Engineering Record/Historic American Landscapes Survey

7 b&w photos
6 data pages
1 photo caption pages
1 color transparencies

TITLE:
Delaware, Lackawanna & Western Railroad, Delaware River Viaduct, Spanning Delaware River, north of Portland-Columbi, Portland vicinity, Northampton County, PA

CALL NUMBER:
HAER PA,48-PORT.V,2-

REPRODUCTION NUMBER:
[See Call Number]

MEDIUM:
Photo(s): 7 (4 x 5 in.)
Data Page(s): 5 plus cover page
Photo Caption Page(s): 1
Color Transparencies: 1

DATE:
Documentation compiled after 1968.

CREATOR:
Historic American Engineering Record, creator

NOTE:
Survey number HAER PA-541

Building/structure dates: 1908 initial construction

Part of building/structure is in Columbia vicinity, Warren County, NJ.

Significance: Of the four extremely large concrete arch viaducts constructed by the Delaware, Lackawanna & Western Railroad on straightening projects during the early 20th century, the Delaware River Viaduct is the only one with a curving, skew alignment. These structures illustrate the railroads pioneering efforts in reinforced concrete design, the luxury of detail permitted by its ample budget, and its drive to become "one of the most technologically perfect railroads in the nation."

SUBJECTS:
PENNSYLVANIA--Northampton County--Portland vicinity
railroad bridges
concrete arch bridges

COLLECTION:
Historic American Engineering Record (Library of Congress)

REPOSITORY:
Library of Congress, Prints and Photograph Division, Washington, D.C. 20540 USA

DIGID:
http://hdl.loc.gov/loc.pnp/hhh.pa3751

CONTENTS:
Photograph caption(s):
1. 3/4 VIEW OF VIADUCT, FROM SW.
2. ELEVATION OF TYPICAL ARCH OF VIADUCT, FROM SOUTH.
3. ELEVATION OF TYPICAL PIER OF VIADUCT, FROM SOUTH.
4. ELEVATION OF WESTERN ARCHES OVER STATE ROUTE 611 AND RAILROAD TRACKS, FROM SOUTH.
5. 3/4 VIEW OF WESTERN ARCHES, SHOWING CURVATURE OF VIADUCT.
6. VIEW TO EAST ALONG DECK.
7. VIEW TO EAST ALONG DECK, DETAIL OF NICHE AT TOP OF PIER.
8. 3/4 VIEW OF VIADUCT, FROM SW

CONTROL #:
PA3751

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