Rating:
4 votes

IAIS Rock River Bridge (N)

Rock Island County, Illinois
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Photo 

Photo taken by Dave Sebben

View this photo on Flickr

Map 

Street View 

Description 

This bridge used to be the railroad bridge leading to the Rock Island Arsenal from Rock Island, crossing Sylvan Slough until the current bridge across sylvan slough was built. At that point the bridge was relocated to it's present location.

Facts 

Overview
Quadrangular Through Truss Bridge over Rock River on Iowa Interstate Railroad
Location
Milan, Rock Island County, Illinois
Status
Open to traffic
History
Built 1894; relocated here in 1924
Builder
- Lassig Bridge & Iron Works of Chicago, Illinois
Design
3 span Quadrangular lattice through truss
Dimensions
Length of largest span: 155.0 ft.
Total length: 470.0 ft.
Approximate latitude, longitude
+41.46022, -90.58004   (decimal degrees)
41°27'37" N, 90°34'48" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/702107/4592675 (zone/easting/northing)
USGS topographic map
Milan
Inventory number
BH 49015 (Bridgehunter.com ID)

Categories 

Built 1924 (495)
Built during 1920s (7,046)
Chicago, Rock Island & Pacific Railroad (348)
Have street view (10,035)
Illinois (2,501)
Iowa Interstate Railroad (93)
Lassig Bridge & Iron Works (40)
Lattice through truss (202)
Lattice truss (269)
Milan, Illinois (9)
Open (28,454)
Owned by railroad (4,120)
 Pedimented portal bracing (29)
Quadrangular lattice through truss (80)
Railroad (4,223)
Relocated (367)
Rock Island County, Illinois (40)
Rock River (Wisconsin-Illinois) (41)
Skewed (4,083)
Span length 125-175 feet (2,966)
Through truss (9,254)
Total length 250-500 feet (3,382)
Truss (23,615)

Update Log 

  • March 22, 2013: Updated by John Marvig: Added category "Pedimented portal bracing"
  • December 28, 2012: Updated by John Marvig: Added build date
  • October 22, 2012: Updated by John Marvig: Added information
  • March 12, 2012: Updated by Luke Harden: Added build date
  • July 25, 2011: New photo from Luke Harden
  • July 16, 2011: Updated by Luke Harden: added historical information
  • July 3, 2011: New Street View added by Luke Harden
  • July 1, 2011: Added by Luke Harden

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