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Historic American Buildings Survey/Historic American Engineering Record/Historic American Landscapes Survey
 11 b&w photos |  14 data pages |  1 photo caption pages |
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TITLE:
Dunnville Bridge, Spanning Red Cedar River at County Trunk Highway Y, Downsville vicinity, Dunn County, WI
CALL NUMBER:
HAER WIS,17-DOW.V,1-
REPRODUCTION NUMBER:
[See Call Number]
MEDIUM:
Photo(s): 11 (4 x 5 in.)
Data Page(s): 13 plus cover page
Photo Caption Page(s): 1
DATE:
Documentation compiled after 1968.
CREATOR:
Historic American Engineering Record, creator
NOTE:
Survey number HAER WI-95
Building/structure dates: 1934 initial construction
Building/structure dates: 1936 subsequent work
Significance: The Dunnville Bridge is an excellent example of a steel, Warren overhead truss with verticals. It is among the earliest examples of the Wisconsin Highway Department's use of this design; previously, the agency had employed Pratt and Parker trusses for overhead spans. While a number of Warren truss bridges were subsequently built, less than three dozen examples of this type now survive in the state. The Dunnville Bridge was built by the Worden-Allen Company of Milwaukee, one of the most prolific Wisconsin bridge builders in the early decades of the twentieth century.
SUBJECTS:
WISCONSIN--Dunn County--Downsville vicinity
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.wi0375
CONTENTS:
Photograph caption(s):
1. SOUTHEAST SIDE, LOOKING WEST
2. SOUTHEAST SIDE, LOOKING NORTHWEST
3. NORTHWEST SIDE, LOOKING SOUTHEAST
4. NORTHEAST APPROACH, LOOKING SOUTHWEST
5. SOUTHWEST APPROACH, LOOKING NORTHEAST
6. INTERIOR OF SPAN, LOOKING NORTHEAST
7. DETAIL OF UPPER CHORD INTERSECTION WITH VERTICALS, DIAGONALS, SWAY BRACING AND LATERAL BRACING; LOOKING NORTH
8. SOUTHWEST ABUTMENT AND ROCKER BEARINGS, LOOKING WEST
9. UNDERSIDE OF DECK, LOOKING NORTHEAST
10. BRIDGE PLATE ON SOUTH ENDPOST, LOOKING EAST
11. STONE FOUNDATION AT DUNNVILLE VILLAGE SITE NORTHEAST OF BRIDGE, LOOKING SOUTH
CONTROL #:
WI0375
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