Historic Bridges
of the United States
Thompson River Bridge
Decatur County
,
Iowa
Overview
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Map
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TopoZone
Terraserver USA
Facts
Overview
Through truss bridge over Thompson River on a local road
Location
Decatur County
,
Iowa
Status
Closed to all traffic
History
Built ca. 1890
Design
Pratt through truss
Dimensions
Length of largest span: 126.0 ft.
Total length: 234.9 ft.
Deck width: 13.1 ft.
Vertical clearance above deck: 13.0 ft.
Recognition
Posted to the National Register of Historic Places
Approximate latitude, longitude
+40.72195, -93.87623
(decimal degrees)
40°43'19" N, 93°52'34" W
(degrees°minutes'seconds")
Approximate UTM coordinates
15/425998/4508261
(zone/easting/northing)
Land survey
T. 68 N., R. 26 W., Sec. 5
USGS topographic map
Lamoni North
Inventory numbers
NRHP 98000794
(National Register of Historic Places reference number)
BH 13363
(Bridgehunter.com ID)
Inspection
(as of 02/2008)
Deck condition rating:
Serious
(3 out of 9)
Superstructure condition rating:
Critical
(2 out of 9)
Substructure condition rating:
Serious
(3 out of 9)
Appraisal:
Structurally deficient
Sufficiency rating: 0.0
(out of 100)
Average daily traffic
(as of 2004)
20
Categories
19th Century
(2,077)
Built during 1890s
(810)
Closed
(1,660)
Decatur County, Iowa
(34)
Iowa
(2,178)
NR-listed
(1,570)
One-lane traffic
(6,990)
Open
(22,294)
Owned by county
(14,361)
Pratt through truss
(982)
Pratt truss
(1,672)
Span length 125-175 feet
(2,047)
Structurally deficient
(12,078)
Sufficiency rating zero
(257)
Through truss
(5,562)
Total length 175-250 feet
(1,868)
Truss
(16,280)
Wooden deck
(5,164)
Comments
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