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Corydon Bridge

Polk County, Iowa

Photos 

© Iowa Department of Transportation

View this photo at publications.iowa.gov

BH Photo #255457

Map 

Facts 

Overview
Pratt Through truss bridge over Des Moines River on Road
Location
Polk County, Iowa
Status
No longer exists
History
Built 1889, Damaged and closed after the National Guard drove a tank across it in 1972, Removed ca: 1975
Design
Pratt through truss
Dimensions
Length of largest span: 156.0 ft.
Total length: 312.0 ft.
Approximate latitude, longitude
+41.72620, -93.69783   (decimal degrees)
41°43'34" N, 93°41'52" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/441960/4619612 (zone/easting/northing)
Quadrangle map:
Des Moines NW
Inventory number
BH 56261 (Bridgehunter.com ID)

Categories 

19th Century (6,377)
8-panel truss (356)
Built 1889 (194)
Built during 1880s (1,694)
Des Moines River (225)
Iowa (5,939)
Lost (19,637)
Lost 1975 (49)
 Lost during 1970s (425)
Polk County, Iowa (244)
Pratt through truss (4,688)
Pratt truss (8,162)
Span length 125-175 feet (3,840)
Through truss (13,143)
Total length 250-500 feet (4,702)
Truss (29,807)

Update Log 

  • January 6, 2018: New photo from Luke
  • March 24, 2015: New photo from Luke
  • May 19, 2013: Updated by Luke Harden: Added info.
  • May 16, 2013: Added by Luke Harden

Sources 

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Comments 

Corydon Bridge
Posted March 25, 2014, by Christopher Lyons (chrisbert [at] gmail [dot] com)

The Corydon Bridge would have either been submergered, or more likely torn down, by 1977, the year that the Army Corps of Engineers began filling Saylorville Lake after completion of Saylorville Dam.