Rating:
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BNSF - Manning Viaduct

Carroll County, Iowa

Photos 

Photo provided by Hank Zaletel

View this photo on Flickr

BH Photo #246142

Map 

Description 

Truss is approached by 9 spans of deck girder from the west, and two concrete arches create the abutments on each end. Piers are a typical Milwaukee Road design, using concrete arches.

Facts 

Overview
Pratt through truss bridge over Center Street, West Nishnabota River & removed CGW
Location
Manning, Carroll County, Iowa
Status
Open to traffic
History
Built 1913
Builders
- Charles Frederick Loweth of Cleveland, Ohio (MILW Chief Engineer)
- J. H. Prior (MILW Bridge Designer)
Railroads
- BNSF Railway (BNSF)
- Chicago Great Western Railway (CGW)
- Chicago, Milwaukee, St. Paul & Pacific Railroad (MILW; CMStP&P; CMStP)
Design
Pratt through truss
Dimensions
Length of largest span: 105.0 ft.
Total length: 765.0 ft.
Skew angle
30 degrees
Also called
MILW - Manning Viaduct
Approximate latitude, longitude
+41.91397, -95.06342   (decimal degrees)
41°54'50" N, 95°03'48" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/328878/4642283 (zone/easting/northing)
Quadrangle map:
Manning
Inventory number
BH 52563 (Bridgehunter.com ID)

Categories 

6-panel truss (577)
Arch (11,547)
BNSF Railway (1,257)
Built 1913 (817)
Built during 1910s (9,258)
Carroll County, Iowa (54)
Charles Frederick Loweth (26)
Chicago Great Western Railway (184)
Chicago, Milwaukee, St. Paul & Pacific Railroad (959)
Closed-spandrel arch (3,777)
Deck arch (10,796)
Deck girder (5,086)
Girder (9,209)
Grade Separated Rail Crossing (347)
 Iowa (6,219)
J. H. Prior (18)
Manning, Iowa (4)
Open (38,285)
Owned by railroad (11,168)
Plate girder (7,014)
Pratt through truss (5,025)
Pratt truss (8,775)
Railroad (14,408)
Skewed (4,813)
Span length 100-125 feet (4,235)
Through truss (14,107)
Total length 500-1000 feet (2,670)
Truss (31,311)

Update Log 

  • April 17, 2017: New photos from Dave King
  • April 11, 2016: Updated by Luke: Added skew degree
  • October 19, 2015: New photos from John Marvig
  • October 18, 2015: Updated by John Marvig: Added information
  • March 1, 2013: Updated by John Marvig: Added information
  • January 2, 2013: Updated by Luke Harden: Added link to postcards.
  • August 13, 2012: Updated by Luke Harden: Added category "Chicago Great Western Railway"
  • May 27, 2012: Updated by Luke Harden: Added categories "Railroad", "Skewed", "Burlington Northern Santa Fe Railway", "Chicago, Milwaukee, St. Paul & Pacific Railroad"

Related Bridges 

Sources 

Comments 

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