Historic Bridges
of the United States
Adel Bridge
Dallas County
,
Iowa
Overview
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Map
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TopoZone
Terraserver USA
Facts
Overview
Two-span through truss bridge over North Raccoon River on River Street in Adel
Location
Dallas County
,
Iowa
Status
Closed to all traffic
History
Built 1882 by the King Bridge Co.
Builder
-
King Bridge Co.
of Cleveland, Ohio
Design
Pratt through truss
Dimensions
Length of largest span: 148.0 ft.
Total length: 390.1 ft.
Deck width: 15.7 ft.
Vertical clearance above deck: 14.6 ft.
Recognition
Posted to the National Register of Historic Places on April 18, 2002
Approximate latitude, longitude
+41.61585, -94.01287
(decimal degrees)
41°36'57" N, 94°00'46" W
(degrees°minutes'seconds")
Land survey
T. 79 N., R. 27 W., Sec. 29
Inventory numbers
NRHP 02000374
(National Register of Historic Places reference number)
BH 13286
(Bridgehunter.com ID)
Inspection
(as of 03/2006)
Deck condition rating:
Poor
(4 out of 9)
Superstructure condition rating:
Serious
(3 out of 9)
Substructure condition rating:
Fair
(5 out of 9)
Appraisal:
Structurally deficient
Sufficiency rating: 19.6
(out of 100)
Average daily traffic
(as of 1996)
180
Categories
19th Century
(1,720)
Built 1882
(32)
Built during 1880s
(481)
Closed
(1,303)
Dallas County, Iowa
(13)
Iowa
(2,130)
King Bridge Co.
(47)
NR-listed
(1,469)
Owned by county
(14,137)
Pratt truss
(1,400)
Span length 125-175 feet
(1,989)
Structurally deficient
(10,789)
Through truss
(5,205)
Total length 250-500 feet
(2,089)
Truss
(15,739)
Wooden deck
(5,156)
Comments
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