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UP - Boyer River Bridge (Near Dow City)

Crawford County, Iowa

Photos 

UP Boyer River Bridge

Building the new bridge. Old bridge was still active while new bridge was constructed around it.

Photo Contributed by C&NWHS via John Marvig

Enlarge

BH Photo #313014

Map 

Street View 

Facts 

Overview
Warren Through truss bridge over Boyer River on Union Pacific Railroad
Location
Crawford County, Iowa
Status
Open to traffic
History
Built 1948
Builder
- American Bridge Co. of New York
Railroads
- Chicago & North Western Railway (CNW)
- Union Pacific Railroad (UP)
Design
Riveted Warren (subdivided) through truss with M-frame portal bracing.
Dimensions
Length of largest span: 190.0 ft.
Total length: 284.0 ft.
Approximate latitude, longitude
+41.93708, -95.48057   (decimal degrees)
41°56'14" N, 95°28'50" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/294356/4645766 (zone/easting/northing)
Quadrangle map:
Dow City
Inventory number
BH 49592 (Bridgehunter.com ID)

Categories 

8-panel truss (389)
American Bridge Co. (1,500)
Beam (15,642)
Boyer River (36)
Built 1948 (404)
Built during 1940s (4,088)
Chicago & North Western Railway (1,399)
Crawford County, Iowa (96)
Have street view (26,847)
Iowa (6,471)
Open (39,830)
 Owned by railroad (12,369)
Railroad (15,361)
Riveted (2,159)
Span length 175-250 feet (1,987)
Steel stringer (6,192)
Through truss (15,014)
Total length 250-500 feet (5,219)
Truss (32,703)
Union Pacific Railroad (2,358)
Warren through truss (1,609)
Warren truss (6,540)

Update Log 

  • October 19, 2015: New photos from John Marvig
  • October 18, 2015: Updated by John Marvig: Added information
  • January 9, 2015: New photos from John Marvig
  • September 12, 2011: Updated by Jason Smith: This bridge is a Warren through truss bridge

Related Bridges 

Sources 

  • Jason Smith - flensburg [dot] bridgehunter [dot] av [at] googlemail [dot] com
  • John Marvig - marvigj27 [at] gmail [dot] com

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