Historic Bridges of the U.S. | Side Ditch Entrance Bridge

Photos

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The south side

This wood deck pony truss carries traffic into Bankston County park.

Photo taken by J.R. Manning in August 2007

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The east approach

Photo taken by J.R. Manning in August 2007

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The south truss and deck

Photo taken by J.R. Manning in August 2007

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The north truss and deck

Photo taken by J.R. Manning in August 2007

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The west portal

Photo taken by J.R. Manning in August 2007

Overview: Pony truss bridge over Side Ditch on an entrance road
Location: Dubuque County, Iowa
Status: Open to traffic
History: Built 1900
Design: Pony truss
Dimensions: Length of largest span: 29.9 ft.
Total length: 29.9 ft.
Deck width: 15.4 ft.
Approximate latitude, longitude: +42.55814, -90.95744 (decimal degrees)
42°33'29" N, 90°57'27" W (degrees°minutes'seconds")
Land survey: T. 89 N., R. 1 W., Sec. 4
Inventory numbers: IA 364060 (Iowa bridge number)
BH 13439 (Bridgehunter.com ID)
Inspection (as of 03/2005): Deck condition rating: Good (7 out of 9)
Superstructure condition rating: Satisfactory (6 out of 9)
Substructure condition rating: Good (7 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 42.7 (out of 100)
Average daily traffic (as of 2001): 10