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Boone River Bridge

Webster County, Iowa
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Facts 

Note: The following information comes from the National Bridge Inventory and has not been verified.
Overview
Lost through truss bridge over Boone River on a local road
Location
Webster County, Iowa
Status
Replaced by new bridge
History
Built 1923; replaced 1992
Design
Through truss
Dimensions
Length of largest span: 120.1 ft.
Total length: 171.9 ft.
Deck width: 17.7 ft.
Vertical clearance above deck: 11.6 ft.
Approximate latitude, longitude
+42.32523, -93.95117   (decimal degrees)
42°19'31" N, 93°57'04" W   (degrees°minutes'seconds")
Land survey
T. 87 N., R. 27 W., Sec. 25
USGS topographic map
Stratford
Inventory numbers
IA 341930 (Iowa bridge number)
BH 40693 (Bridgehunter.com ID)
Inspection (as of 08/1991)
Deck condition rating: Fair (5 out of 9)
Superstructure condition rating: Poor (4 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 24.8 (out of 100)
Average daily traffic (as of 1986)
55

Categories 

Boone River (14)
Built 1923 (416)
Built during 1920s (7,046)
Iowa (3,605)
Lost (10,487)
Lost 1992 (400)
Lost during 1990s (3,227)
 Replaced by new bridge (7,211)
Span length 100-125 feet (3,307)
Structurally deficient (16,728)
Through truss (9,250)
Total length 125-175 feet (4,156)
Truss (23,609)
Webster County, Iowa (35)

Update Log 

  • March 1, 2009: Added by James Baughn

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