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200th Street Bridge

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Map 

Facts 

Overview
Pratt pony truss bridge over Wapsipinicion River on 200th Street
Location
Howard County, Iowa
Status
Intact but closed to all traffic
History
Built 1904
Design
Pinned Pratt pony truss
Dimensions
Length of largest span: 60.0 ft.
Total length: 94.2 ft.
Deck width: 15.7 ft.
Approximate latitude, longitude
+43.22747, -92.53277   (decimal degrees)
43°13'39" N, 92°31'58" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/537942/4786180 (zone/easting/northing)
Land survey
T. 97 N., R. 14 W., Sec. 17
USGS topographic map
Colwell
Inventory numbers
IA 182000 (Iowa bridge number)
BH 13645 (Bridgehunter.com ID)
Inspection (as of 06/2010)
Deck condition rating: Fair (5 out of 9)
Superstructure condition rating: Serious (3 out of 9)
Substructure condition rating: Fair (5 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 24.1 (out of 100)
Average daily traffic (as of 2005)
45

Categories 

Built 1904 (327)
Built during 1900s (4,268)
Closed (2,084)
Howard County, Iowa (17)
Iowa (3,615)
One-lane traffic (7,119)
Owned by county (16,526)
Pony truss (13,212)
Pratt pony truss (2,350)
Pratt truss (5,687)
Skewed (4,083)
Span length 50-75 feet (7,011)
Structurally deficient (16,728)
Total length 75-100 feet (4,812)
Truss (23,615)
Wooden deck (5,415)

Update Log 

  • June 19, 2012: Updated by Luke Harden: Closed to traffic

Sources 

  • Luke Harden - lukemh9 [at] gmail [dot] com

Comments 

200th Street Bridge
Posted June 19, 2012, by Don Morrison (bacchus [at] mchsi [dot] com)

A few pictures of this bridge over the Wapsi at 200th street.

The bridge is closed to traffic at this time.

It has a flat deck with wood rails for the east approach, which also is partially over the stream. The bearings for the truss are mounted on pilings. The bridge is at a bend in the river, so erosion at the east end on the outside of the bend may be the reason for the closing.

The Wapsipinicon is a small stream this far north, and this bridge crosses it, not a branch.

Both bridge plaques are missing.

This is a nice tranquil little area surrounding the bridge.

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