Photos 

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The west face

This bridge is a typical pony truss built by the Chicago & Northwestern Railway in Iowa in the early part of the 20th Century. (The C&NW was absorbed by the Union Pacific in 1995.

Photo taken by J.R. Manning in July 2007

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The south approach

Photo taken by J.R. Manning in July 2007

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UPRR Double Mainline, looking east, from the bridge deck

The container train is waiting, the coal train is eastbound. The locomotive is a pusher.

Photo taken by J.R. Manning in July 2007

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East truss detail

Photo taken by J.R. Manning in July 2007

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West truss detail

Photo taken by J.R. Manning in July 2007

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The wood deck

Photo taken by J.R. Manning in July 2007

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The north approach

Photo taken by J.R. Manning in July 2007

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The north pier

Photo taken by J.R. Manning in July 2007

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The undercarriage

Photo taken by J.R. Manning in July 2007

Map 

Vicinity Map

Vicinity map

Map links:

Facts 

Overview
Pony truss bridge over UPRR on a local road
Location
Tama County, Iowa
Status
Open to traffic
History
Built ca. 1920
Design
Pony truss
Dimensions
Length of largest span: 79.1 ft.
Total length: 136.2 ft.
Deck width: 18.0 ft.
Approximate latitude, longitude
+41.99101, -92.74626   (decimal degrees)
41°59'28" N, 92°44'47" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/521017/4648808 (zone/easting/northing)
Land survey
T. 83 N., R. 16 W., Sec. 20
USGS topographic map
Montour
Inventory numbers
IA 318380 (Iowa bridge number)
BH 14492 (Bridgehunter.com ID)
Inspection (as of 12/2006)
Deck condition rating: Poor (4 out of 9)
Superstructure condition rating: Poor (4 out of 9)
Substructure condition rating: Poor (4 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 31.0 (out of 100)
Average daily traffic (as of 2001)
25

Categories 

Built during 1920s (4,777)
Iowa (2,178)
One-lane traffic (6,989)
Open (22,278)
Owned by county (14,356)
Pony truss (9,530)
Span length 75-100 feet (3,316)
Structurally deficient (12,069)
Tama County, Iowa (49)
Total length 125-175 feet (2,734)
Truss (16,236)
Wooden deck (5,163)

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