Rating:
3 votes

Cone Lake Bridge

Muscatine County, Iowa
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Photos 

Photo taken by Luke Harden

Map 

View Uglybridges.com report

Facts 

Overview
Steel stringer bridge over Pike Creek/Cone Lake on 245th Street
Location
Muscatine County, Iowa
Status
Open to traffic
History
Built 1900; Rehabilited 1985
Design
Steel stringer
Dimensions
Length of largest span: 28.9 ft.
Total length: 131.9 ft.
Deck width: 16.1 ft.
Recognition
Eligible for the National Register of Historic Places
Approximate latitude, longitude
+41.38679, -91.32889   (decimal degrees)
41°23'12" N, 91°19'44" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/639720/4583042 (zone/easting/northing)
USGS topographic map
Nichols
Inventory numbers
IA 257230 (Iowa bridge number)
BH 52092 (Bridgehunter.com ID)
Inspection (as of 09/2011)
Deck condition rating: Poor (4 out of 9)
Superstructure condition rating: Satisfactory (6 out of 9)
Substructure condition rating: Serious (3 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 13.9 (out of 100)
Average daily traffic (as of 2006)
40

Categories 

Beam (6,040)
Built 1900 (699)
Built during 1900s (4,246)
Iowa (3,499)
Muscatine County, Iowa (48)
NR-eligible (3,749)
One-lane traffic (7,111)
Open (28,304)
 Owned by county (16,484)
Span length 25-50 feet (10,048)
Steel stringer (2,323)
Structurally deficient (16,677)
Timber stringer (1,856)
Total length 125-175 feet (4,136)
Wooden deck (5,398)

Update Log 

  • November 22, 2012: Updated by Luke Harden: Added categories.
  • November 21, 2012: Photo imported by Luke Harden
  • June 11, 2012: Updated by Luke Harden: Bridge is NR Eligible
  • April 18, 2012: Added by Luke Harden

Sources 

  • Luke Harden - lukemh9 [at] gmail [dot] com
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Comments 

Cone Lake Bridge
Posted June 11, 2012, by Luke Harden (lmharden [at] iastate [dot] edu)

My mother remembers (reluctantly) crossing this as a child and being "utterly terrified", as the bridge has no guardrails at all.