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Birch Avenue Bridge

Map 

Facts 

Overview
Lost pony truss bridge over a field stream on Birch Avenue
Location
Carroll County, Iowa
Status
Replaced by a new bridge
History
Built 1914; replaced around 2013
Design
Pony truss
Dimensions
Length of largest span: 49.9 ft.
Total length: 52.2 ft.
Deck width: 20.0 ft.
Approximate latitude, longitude
+42.12231, -95.07230   (decimal degrees)
42°07'20" N, 95°04'20" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/328702/4665434 (zone/easting/northing)
Quadrangle map:
Arcadia
Land survey
T. 84 N., R. 36 W., Sec. 5
Inventory numbers
IA 95700 (Iowa bridge number)
BH 13017 (Bridgehunter.com ID)
Inspection (as of 05/2012)
Deck condition rating: Satisfactory (6 out of 9)
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Fair (5 out of 9)
Sufficiency rating: 43.4 (out of 100)
Average daily traffic (as of 2008)
50

Categories 

Built 1914 (718)
Built during 1910s (8,759)
Carroll County, Iowa (48)
Iowa (5,790)
Lost (18,686)
Owned by county (18,855)
Pony truss (15,049)
Replaced by new bridge (12,384)
Span length 25-50 feet (13,587)
Total length 50-75 feet (8,439)
Truss (29,442)

Update Log 

  • August 2, 2016: Updated by Kevin Skow: Update based on satellite imagery. Bridge has been replaced.
  • April 26, 2010: Updated by J.R. Manning: Updated Bridge Name

Sources 

  • J.R. Manning - thekitchenguy [at] sbcglobal [dot] net
  • Kevin Skow - weatherbum [at] hotmail [dot] com

Comments 

Birch Avenue Bridge
Posted April 21, 2013, by JB (Jbowerz1 [at] gmail [dot] com)

This bridge was built in 1914 as the prototype for warren pony trusses in Iowa. We are looking at moving it to Grinnell to a park on a trail. IaDOT brought to our attention through the Carroll County engineer. There is one more coming out there on Robin Avenue. More info on the IaDoT historic bridge database.