Rating:
No votes cast

IAIS - 8th Street Southwest Overpass

Polk County, Iowa

Photos 

Photo taken by Bradley J. Grefe

View this photo at railpictures.net

BH Photo #241432

Map 

Street View 

Facts 

Overview
Pony/through plate girder bridge over 8th Street SW on Iowa Interstate Railroad
Location
Altoona, Polk County, Iowa
Status
Open to traffic
History
Built 1955
Builder
- Iowa Bridge Co. (1947-1967) of Des Moines, Iowa
Railroads
- Chicago, Rock Island & Pacific Railroad (CRIP (1866-1920); RI (1920-1975) ROCK (1975-1980))
- Iowa Interstate Railroad (IAIS)
Design
Pony plate girder
Dimensions
Length of largest span: 64.0 ft.
Total length: 268.0 ft.
Also called
RI - 8th Street Southwest Overpass (W)
Approximate latitude, longitude
+41.64384, -93.48108   (decimal degrees)
41°38'38" N, 93°28'52" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/459936/4610345 (zone/easting/northing)
Quadrangle map:
Altoona
Inventory numbers
IA 40450 (Iowa bridge number)
BH 53907 (Bridgehunter.com ID)

Categories 

Altoona, Iowa (7)
Beam (16,893)
Built 1955 (474)
Built during 1950s (4,008)
Chicago, Rock Island & Pacific Railroad (1,159)
Girder (11,178)
Have street view (28,923)
Iowa (6,794)
Iowa Bridge Co. (1947-1967) (6)
Iowa Interstate Railroad (194)
Open (40,970)
 Owned by railroad (13,506)
Plate girder (8,732)
Polk County, Iowa (281)
Railroad (16,463)
Skewed (5,012)
Span length 50-75 feet (10,425)
Steel stringer (6,714)
Through girder (4,195)
Total length 250-500 feet (5,513)
US 6 (132)

Update Log 

  • March 3, 2020: Updated by John Marvig: added information
  • January 25, 2019: New photo from Melissa Brand-Welch
  • October 21, 2018: Updated by Luke: Merged 1996 NBI
  • May 7, 2014: Photo imported by Luke Harden
  • April 4, 2014: New Street View added by Luke Harden
  • November 9, 2012: Photo imported by Luke Harden
  • October 14, 2012: Added by Luke Harden

Related Bridges 

Sources 

Comments 

Post a comment here