Historic Bridges of the U.S. | Linn Creek Intersection Bridge

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Photos

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Overview

This unusual bridge carries the intersection of 200th Street and Durham Avenue, as Linn Creek flows from the northwest to southeast below the intersection. In this photo, we are looking north on Durham Avenue.

Photo taken by J.R. Manning in August 2007

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Location, Location, Location

Photo taken by J.R. Manning in August 2007

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The south approach

Looking north on Durham Avenue.

Photo taken by J.R. Manning in August 2007

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The southeast face

Photo taken by J.R. Manning in August 2007

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The Southeast Face

Photo taken by J.R. Manning in August 2007

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The east approach

Looking west on 200th Street.

Photo taken by J.R. Manning in August 2007

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The north approach

Looking south on Durham Avenue.

Photo taken by J.R. Manning in August 2007

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The northwest face

Photo taken by J.R. Manning in August 2007

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Detail of the northwest face

Bob Ausberger, of the Iowa Lincoln Highway Association, says this type of cast parapet wall, with simulated panels, is quite common in Iowa bridges built in the first part of the 20th Century.

Photo taken by J.R. Manning in August 2007

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The deck and rail

Looking northeast from 200th Street.

Photo taken by J.R. Manning in August 2007

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The west approach

Looking east on 200th Street.

Photo taken by J.R. Manning in August 2007

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The deck and southeast wall

Photo taken by J.R. Manning in August 2007

Map

Vicinity Map

Vicinity map

Map links:

Facts

Overview: Bridge over Linn Creek on Intersection of 200th Street and Durham Avenue
Location: Marshall County, Iowa
Status: Open to traffic
History: Built 1920; rehabilitated 1976
Dimensions: Length of largest span: 20.0 ft.
Total length: 21.0 ft.
Deck width: 27.9 ft.
Approximate latitude, longitude: +42.06300, -93.17050 (decimal degrees)
42°03'47" N, 93°10'14" W (degrees°minutes'seconds")
Approximate UTM coordinates: 15/485893/4656785 (zone/easting/northing)
USGS topographic map: State Center
Inventory number: BH 36436 (Bridgehunter.com ID)
Inspection (as of 01/2008): Deck condition rating: Fair (5 out of 9)
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Poor (4 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 46.1 (out of 100)
Average daily traffic (as of 2005): 10

Update Log

March 28, 2008: Added by J.R. Manning

Sources

J.R. Manning - thekitchenguy [at] sbcglobal [dot] net

Comments

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