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Jahnke Avenue Bridge

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Photos 

Aerial Jahnke Avenue Bridge 1

Photo taken by Ronnie Earnest in July 2017

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Map 

Street View 

Facts 

Overview
Pony truss bridge over Silver Creek on Jahnke Avenue
Location
Mills County, Iowa
Status
Open to traffic
History
Built 1938; rehabilitated 1973
Design
Pony truss
Dimensions
Length of largest span: 89.9 ft.
Total length: 143.1 ft.
Deck width: 15.7 ft.
Approximate latitude, longitude
+41.02333, -95.60740   (decimal degrees)
41°01'24" N, 95°36'27" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/280779/4544622 (zone/easting/northing)
Quadrangle map:
Malvern
Land survey
T. 72 N., R. 41 W., Sec. 19
Inventory numbers
IA 245870 (Iowa bridge number)
BH 14044 (Bridgehunter.com ID)
Inspection (as of 03/2015)
Deck condition rating: Fair (5 out of 9)
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Fair (5 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 26.2 (out of 100)
Average daily traffic (as of 2008)
5

Categories 

Built 1938 (754)
Built during 1930s (10,442)
Have street view (21,681)
Iowa (5,724)
Mills County, Iowa (51)
One-lane traffic (7,409)
Open (36,143)
Owned by county (18,712)
Pony truss (14,995)
Span length 75-100 feet (5,727)
Structurally deficient (18,309)
Total length 125-175 feet (5,168)
Truss (29,283)
Wooden deck (5,842)

Update Log 

  • July 15, 2017: New photos from Ronnie Earnest
  • January 23, 2015: New Street View added by Dave King

Sources 

  • Dave King - DKinghawkfan [at] hotmail [dot] com
  • Ronnie Earnest