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Historic American Buildings Survey/Historic American Engineering Record/Historic American Landscapes Survey
 2 drawings |  6 b&w photos |  15 data pages |  1 photo caption pages |
How to obtain copies of this item
TITLE:
Tivoli Island Bridge, Spanning Rock River Channel from mainland to west , Watertown, Jefferson County, WI
CALL NUMBER:
HAER WIS,28-WATO,5-
REPRODUCTION NUMBER:
[See Call Number]
MEDIUM:
Measured Drawing(s): 2 (24 x 36 in.)
Photo(s): 6 (4 x 5 in.)
Data Page(s): 14 plus cover page
Photo Caption Page(s): 1
DATE:
Documentation compiled after 1968.
CREATOR:
Historic American Engineering Record, creator
RELATED NAME(S):
King, Zenas
King Iron & Bridge Company
NOTE:
Survey number HAER WI-21
Unprocessed field note material exists for this structure (FN-8).
Building/structure dates: 1877 initial construction
Building/structure dates: 1906
Significance: In 1866, Zenas King from Ohio received a patent for an innovative tubular iron-arch design. Increasing the sectional area of the top chord toward the ends of the arch, he claimed, strengthened the bridge. Built c. 1877, the Tivoli Island Bridge incorporated this design principle. The King Iron & Bridge Manufacturing Company in Cleveland, Ohio, popularized the tubular iron-arch by numerous examples throughout the United States. Apparently, the Tivoli Island Bridge was originally part of a four-span structure over the Crawfish River in the village of Milford. In 1906, two Watertown residents arranged to have the two-span section moved to its present location at Tivoli Island. In Wisconsin, the bridge is one of only seven remaining bowstrings and the last example of a tubular arch design.
SUBJECTS:
WISCONSIN--Jefferson County--Watertown
OTHER TITLE:
Milford Bridge
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.wi0187
CONTENTS:
Photograph caption(s):
1. GENERAL VIEW OF BRIDGE, LOOKING SOUTH
2. VIEW OF BRIDGE, LOOKING EAST
3. OBLIQUE VIEW OF SOUTH SIDE OF BRIDGE, LOOKING NORTHEAST
4. DETAIL VIEW OF NORTHWEST TRUSS JOINING ABUTMENT
5. VIEW OF CENTER PIER, SOUTHWEST SIDE
6. DETAIL VIEW OF SOUTHWEST BOTTOM CHORD, SHOWING VERTICAL CHORD CONNECTION
CONTROL #:
WI0187
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