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UP 500th Avenue Overpass

Story County, Iowa, and Boone County, Iowa
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Photo 

Photo taken by Bradley J. Grefe

View this photo on Flickr

Video 

Bridge Night, part 1: manufacturer's plaque & patched Southern Pacific at R-38 Underpass

Monday, September 17, 2012, 7:04 PM. I took two videos tonight, and they both show trains crossing rural bridges, so I decided to call tonight "Bridge Night." A bridge I see all the time and have uploaded at least two videos of with trains on it is the Story County R-38 underpass, yet I'd never thought to look for the manufacturer's plaque. The other bridge plaques I've recorded have all been by the American Bridge Company or the related Lassig Iron Works. This one is "fabricated by Des Moines Steel Co.". Here it is crossed by a Union Pacific mixed freight led by UP 4452, UP 4284, and patched Southern Pacific UP 6331 (formerly SP 281). I'm guessing this is actually a Canadian National train from the CN cars, as well as BC Rail and Alberta cars.

Video filmed by arejay54

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Map 

Street View 

Facts 

Overview
Steel stringer bridge over 500th Avenue on railroad
Location
Story County, Iowa, and Boone County, Iowa
Status
Open to traffic
History
Built 1941
Builder
- Des Moines Steel Co. of Des Moines
Design
Steel stringer
Dimensions
Span length: 29.9 ft.
Total length: 29.9 ft.
Also called
UP Y Avenue Overpass
Approximate latitude, longitude
+42.03926, -93.69867   (decimal degrees)
42°02'21" N, 93°41'55" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/442173/4654370 (zone/easting/northing)
USGS topographic map
Ames West
Inventory numbers
IA 314520 (Iowa bridge number)
BH 51042 (Bridgehunter.com ID)
Inspection (as of 02/1999)
Average daily traffic (as of 1995)
1,160

Categories 

Beam (6,048)
Boone County, Iowa (56)
Built 1941 (302)
Built during 1940s (2,796)
Chicago & North Western Railway (470)
Des Moines Steel Co. (6)
Have street view (9,894)
Iowa (3,506)
 Open (28,313)
Owned by railroad (4,046)
Railroad (4,075)
Span length 25-50 feet (10,054)
Steel stringer (2,325)
Story County, Iowa (94)
Total length 25-50 feet (7,628)
Union Pacific Railroad (793)

Update Log 

  • April 26, 2013: Updated by Luke Harden: Added builder, build date, & Video
  • October 14, 2012: Photo imported by Luke Harden
  • February 17, 2012: New video from Luke Harden
  • February 16, 2012: Updated by Luke Harden: Added categories "Union Pacific Railroad", "Railroad", "Chicago & North Western Railway"
  • January 23, 2012: Added by Luke Harden

Sources 

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

Comments 

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