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Chilson Bridge

Map 

Facts 

Overview
Deck truss bridge over an abandoned railroad line on CR 79, 4 mi. east and 1.8 mi. north of Edgemont
Location
Fall River County, South Dakota
Status
Open to traffic
History
Built 1929
Design
Pratt deck truss
Dimensions
Length of largest span: 103.0 ft.
Total length: 183.1 ft.
Deck width: 20.0 ft.
Recognition
Posted to the National Register of Historic Places on December 9, 1993
Approximate latitude, longitude
+43.32965, -103.73429   (decimal degrees)
43°19'47" N, 103°44'03" W   (degrees°minutes'seconds")
Approximate UTM coordinates
13/602613/4798200 (zone/easting/northing)
Quadrangle map:
Hot Springs SE
Inventory numbers
SD 24-162-102 (South Dakota structure number)
NRHP 93001287 (National Register of Historic Places reference number)
BH 32209 (Bridgehunter.com ID)
Inspection (as of 04/2016)
Deck condition rating: Serious (3 out of 9)
Superstructure condition rating: Serious (3 out of 9)
Substructure condition rating: Fair (5 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 26.4 (out of 100)
Average daily traffic (as of 2013)
50

Update Log 

  • June 27, 2016: Updated by J.P.: updated location

Sources 

  • J.P. - wildcatjon2000 [at] gmail [dot] com