Rating:
2 votes

Sylvan Slough Viaduct

Photos 

Public Domain: Published Prior to 1923

BH Photo #319527

Map 

Street View 

Facts 

Overview
Pony plate girder bridge over Sylvan Slough on 24th Street
Location
Rock Island, Rock Island County, Illinois
Status
Open to traffic
History
Built 1907, Redecked 1967.
Builder
- Bayne & Hewett of Minneapolis, Minnesota
Railroads
- Streetcar
- Tri-City Railway & Light Co. (TCR&L)
- United Light & Railways (UL&R)
Design
Pony plate girder
Dimensions
Length of largest span: 83.0 ft.
Total length: 604.0 ft.
Deck width: 24.0 ft.
Recognition
Eligible for the National Register of Historic Places
Also called
24th Street Viaduct
Approximate latitude, longitude
+41.51214, -90.56558   (decimal degrees)
41°30'44" N, 90°33'56" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/703153/4598473 (zone/easting/northing)
Quadrangle map:
Davenport East
Average daily traffic (as of 2016)
8,900
Inventory numbers
IL 000-0008 (Illinois bridge number)
BH 50200 (Bridgehunter.com ID)
Inspection report (as of October 2016)
Overall condition: Fair
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Fair (5 out of 9)
Deck condition rating: Fair (5 out of 9)
Sufficiency rating: 48.3 (out of 100)
View more at BridgeReports.com

Update Log 

  • February 7, 2018: New photo from David Sebben
  • June 19, 2017: Updated by Luke: Added builder
  • March 26, 2015: Updated by Luke: Added categories "Rail-and-Road", "Streetcar", "Tri-City Railway & Light Co.", "United Light & Railways"
  • March 18, 2014: New Street View added by Luke Harden
  • June 18, 2012: Updated by Luke Harden: Changed owner, bridge is NR eligible
  • November 15, 2011: Added by Luke Harden

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