Illinois Central Railroad Overpass, Spanning Illinois Central Railroad at U.S. Highway, Ackley, Hardin County, IA

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

10 b&w photos
21 data pages
1 photo caption pages

TITLE:
Illinois Central Railroad Overpass, Spanning Illinois Central Railroad at U.S. Highway, Ackley, Hardin County, IA

CALL NUMBER:
HAER IOWA,42-ACKL,1-

REPRODUCTION NUMBER:
[See Call Number]

MEDIUM:
Photo(s): 10 (4 x 5 in.)
Data Page(s): 20 plus cover page
Photo Caption Page(s): 1

DATE:
Documentation compiled after 1968.

CREATOR:
Historic American Engineering Record, creator

NOTE:
Survey number HAER IA-81

Unprocessed field note material exists for this structure (N252).

Building/structure dates: 1932 initial construction

Significance: Designed by the Iowa State Highway Commission, the continuous steel plate girder of two asymmetrical spans is broken into two unequal lengths with an interesting detail off-center of the middle pier.

SUBJECTS:
IOWA--Hardin County--Ackley

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.ia0462

CONTENTS:
Photograph caption(s):
1. CONTEXTUAL VIEW OF SOUTH SIDE OF OVERPASS LOOKING NORTHEAST FROM ABANDONED OVERPASS.
2. EAST APPROACH TO ILLINOIS CENTRAL RAILROAD OVERPASS LOOKING WEST.
3. WEST APPROACH AND GUARDRAIL LOOKING SOUTHEAST, IDOT BRIDGE INSPECTION TEAM IN BACKGROUND.
4. OBLIQUE VIEW OF SOUTH SIDE LOOKING NORTHEAST.
5. GENERAL VIEW OF WEST ABUTMENT AND PIER LOOKING NORTHWEST.
6. GENERAL VIEW OF EAST ABUTMENT AND PIER LOOKING NORTHEAST.
7. DETAIL VIEW OF EAST APPROACH AND GIRDER PIER LOOKING NORTHWEST.
8. GENERAL VIEW OF CONTINUOUS GIRDER CROSSING THE RAILROAD LOOKING WEST, SHOWING THE OFFSET PIERS IN CENTER.
9. DETAIL VIEW OF GIRDER BEARING ON OFFSET PIERS LOOKING NORTH/NORTHWEST.
10. DETAIL VIEW OF OFFSET GIRDERS, PIERS AND CONNECTIONS LOOKING NORTH.

CONTROL #:
IA0462

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