Rating:
1 vote

IAIS - Rock River Bridge (S)

Rock Island County, Illinois

Photos 

Photo taken by Lunafish Photography

View this photo on Flickr

BH Photo #251195

Map 

Street View 

Facts 

Overview
Quadrangular lattice through truss bridge over Rock River on Iowa Interstate Railroad
Location
Milan, Rock Island County, Illinois
Status
Open to traffic
History
Built 1894 crossing Sylvan Slough; Relocated here 1930
Builder
- Lassig Bridge & Iron Works of Chicago, Illinois
Railroads
- Chicago, Rock Island & Pacific Railroad (CRIP (1866-1920); RI (1920-1975) ROCK (1975-1980))
- Interurban
- Iowa Interstate Railroad (IAIS)
- Rock Island Southern Railway (RIS)
Design
3 span Quadrangular lattice through truss
Dimensions
Length of largest span: 150.0 ft.
Total length: 417.0 ft.
Approximate latitude, longitude
+41.45669, -90.57678   (decimal degrees)
41°27'24" N, 90°34'36" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/702391/4592289 (zone/easting/northing)
Quadrangle map:
Milan
Inventory number
BH 55029 (Bridgehunter.com ID)

Categories 

Built 1930 (1,754)
Built during 1930s (11,800)
Chicago, Rock Island & Pacific Railroad (1,116)
Have street view (27,129)
Illinois (4,752)
Interurban (915)
Iowa Interstate Railroad (187)
Lassig Bridge & Iron Works (221)
Lattice through truss (565)
Lattice truss (597)
Milan, Illinois (13)
Open (40,044)
 Owned by railroad (12,593)
Pedimented portal bracing (60)
Quadrangular lattice through truss (181)
Riveted (2,192)
Rock Island County, Illinois (71)
Rock Island Southern Railway (9)
Rock River (Wisconsin-Illinois) (89)
Skewed (4,919)
Span length 125-175 feet (4,242)
Through truss (15,278)
Total length 250-500 feet (5,273)
Truss (33,130)

Update Log 

  • March 29, 2015: New photos from John Marvig
  • March 23, 2013: Photo imported by Luke Harden
  • December 28, 2012: Added by John Marvig

Sources 

Post a comment here

Comments 

IAIS - Rock River Bridge (S)
Posted December 17, 2015, by Miles W. Rich (milesrich [at] yahoo [dot] com)

While it is clear those piers were replaced in 1930, the actual trusses of the bridge came from the Rock Island Main Line, just like the trusses of the bridge from Vandruff's Island to the Rock Island mainland, bridge from Rock Island to the Arsenal. That bridge had six truss bridges in all, and they are all "preserved here", being moved to this location in . The 1894 trusses, now located above, were replaced by the present railroad in 1924. See http://www.johnweeks.com/river_mississippi/pagesB/umissBR06....