Historic Bridges of the U.S. | Upper Iowa River Bridge

Overview

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Photos

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Photo taken by Robert Elder

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Photo taken by Robert Elder

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Photo taken by Robert Elder

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Photo taken by Robert Elder

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Bolson Bridge

south entrance

Photo taken by Jason Smith in December 2007

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Bolson Bridge

north entrance

Photo taken by Jason Smith in December 2007

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G:Bolson Bridge Winn MOD

oblique view

Photo taken by Jason Smith in February 2008

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Bolson Bridge

close up of bridge damage

Photo taken by Jason Smith in December 2007

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Bolson Bridge

Photo taken by Jason Smith in December 2007

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Oblique view

The following photos were all taken in black and white

Photo taken by Jason and Birgit Smith in December 2007

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Side view

Photo taken by Jason and Birgit Smith in December 2007

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Oblique view

Photo taken by Jason and Birgit Smith in December 2007

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Transversal view

Photo taken by Jason and Birgit Smith in December 2007

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Map

Vicinity map

Map links:

Facts

Overview: Through truss bridge over Upper Iowa River on a local road
Location: Winneshiek County, Iowa
Status: Open to traffic
History: Rehabilitated 1974
Design: Through truss
Dimensions: Length of largest span: 114.2 ft.
Total length: 196.2 ft.
Deck width: 17.1 ft.
Vertical clearance above deck: 10.0 ft.
Approximate latitude, longitude: +43.34800, -91.62080 (decimal degrees)
43°20'53" N, 91°37'15" W (degrees°minutes'seconds")
Approximate UTM coordinates: 15/611780/4800383 (zone/easting/northing)
Land survey: T. 99 N., R. 7 W., Sec. 36
USGS topographic map: Hanover
Inventory numbers: IA 348430 (Iowa bridge number)
BH 14766 (Bridgehunter.com ID)
Inspection (as of 04/2007): 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: Functionally obsolete
Sufficiency rating: 56.0 (out of 100)
Average daily traffic (as of 2001): 40

Update Log

February 6, 2008: New photos from Jason Smith
February 4, 2008: New photos from Jason Smith

Sources

Robert Elder - bass-tbn [at] ku [dot] edu
Jason Smith - JDSmith77 [at] gmx [dot] net

Comments

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