Photos 

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West portal

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Oblique view

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East portal

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Behind east portal

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Close-up of truss

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Upper joint

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Lower joint

Map 

Vicinity Map

Vicinity map

Map links:

Facts 

Overview
Through truss bridge on Old IL 146 over Dutchman Creek west of Vienna
Location
Johnson County, Illinois
Status
Open to two-lane traffic with a 15 ton weight limit
Future prospects
Does not need to be replaced
History
Built ca. 1930
Design
Riveted, 5-panel Pratt through truss
Dimensions
Length of largest span: 100.0 ft.
Total length: 103.0 ft.
Deck width: 20.6 ft.
Vertical clearance above deck: 15.5 ft.
Recognition
Eligible for the National Register of Historic Places
Approximate latitude, longitude
+37.42540, -88.94597   (decimal degrees)
37°25'31" N, 88°56'45" W   (degrees°minutes'seconds")
Inventory numbers
IL 044-0015IDOT 044-0015 (Illinois bridge number)
BH 15387 (Bridgehunter.com ID)
Inspection (as of 12/2005)
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: 20.7 (out of 100)
Average daily traffic (as of 2001)
225

Categories 

5-panel truss (95)
IL 146 (3)
Illinois (816)
Johnson County, Illinois (11)
NR-eligible (2,570)
Open (21,540)
Owned by township (1,179)
Pratt truss (1,381)
Riveted (356)
Span length 100-125 feet (2,247)
Structurally deficient (10,771)
Through truss (5,175)
Total length 100-125 feet (2,412)
Truss (15,706)

Update Log 

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