Dunlap's Creek Bridge, Spanning Dunlap's Creek, Brownsville, Fayette County, PA

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

3 drawings
9 b&w photos
24 data pages
2 photo caption pages

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TITLE:
Dunlap's Creek Bridge, Spanning Dunlap's Creek, Brownsville, Fayette County, PA

CALL NUMBER:
HAER PA,26-BROVI,2-

REPRODUCTION NUMBER:
[See Call Number]

MEDIUM:
Measured Drawing(s): 3 (24 x 36 in.)
Photo(s): 9 (4 x 5 in. and 5 x 7 in.)
Data Page(s): 23 plus cover page
Photo Caption Page(s): 2

DATE:
Documentation compiled after 1968.

CREATOR:
Historic American Engineering Record, creator

NOTE:
Survey number HAER PA-72

Unprocessed field note material exists for this structure (N171).

Building/structure dates: 1836 initial construction

Significance: The present Dunlap's Creek Bridge is the fourth known structure at this site. The use of an innovative and unusual technological advance, cast iron for a bridge structure, may be predicated by the frequency of repair and replacement necessary at this location. The first two bridges collapsed under extreme weather conditions, in 1808 and 1820. The third, another timber frame structure, was deteriorated enough by 1832 that plans were initiated for a replacement. ...

SUBJECTS:
PENNSYLVANIA--Fayette County--Brownsville
civil engineering
vehicular 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.pa1412

CONTENTS:
Photograph caption(s):
1. GENERAL VIEW LOOKING NORTH, SHOWING WESTERN HALF OF BRIDGE SPAN
2. GENERAL VIEW LOOKING NORTHEAST, SHOWING NEW ROADBED APPLIED OVER ORIGINAL BRIDGE
3. VIEW LOOKING SOUTHEAST, SHOWING ABUTMENT AND ARCH
4. DETAIL VIEW, SHOWING CAST IRON ARCH AND STEEL MODIFICATIONS
5. GENERAL VIEW LOOKING NORTHEAST, UNDERSIDE OF BRIDGE, SHOWING WIDENED ROADBED AND STEEL MODIFICATIONS
6. VIEW LOOKING WEST, SHOWING ABUTMENT AND CAST IRON ARCH SEATS

CONTROL #:
PA1412

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