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Historic Bridges: Rock Island County, Illinois

Special Bridge Conditions Legend: R - Former location of relocated bridge. ! - At risk for demolition or destruction. X - Confirmed demolished or collapsed. S  - Dismantled and/or in storage. L -  Severe loss of historic integrity due to alteration.
Total Bridges Found: 6

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Centennial Bridge
Rock Island Centennial Bridge
HSRNational HSR. Local HSR.
Click to visit page.
US-67 Over Mississippi River and Various Streets and Railroads in Davenport and Rock Island: Scott County, Iowa and Rock Island County, Illinois, United States
Metal Tied Solid Ribbed Through Arch, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed
Length: 3853.2 ft. Main Span: 538 ft. Roadway: 46 ft. Main Spans: 5
Built 1940 By: American Bridge Company of New York, New York and Ash, Howard, Needles, and Tammen of New York, New York
Government Bridge
Arsenal Bridge
HSRNational HSR. Local HSR.
Click to visit page.
Fort Armstrong Avenue (2nd Street) and Railroad () Over Mississippi River and Various Streets and Railroads in Davenport and Rock Island: Scott County, Iowa and Rock Island County, Illinois, United States
Metal 16 Panel Pin-Connected Baltimore Through Truss, Movable: Swing (Rim Bearing Center Pier) and Approach Spans: Metal 12 Panel Pin-Connected Baltimore Through Truss, Fixed
Length: 1847.9 ft. Main Span: 365.6 ft. Roadway: 25.3 ft. Main Spans: 1
Built 1896 By: Phoenix Bridge Company of Phoenixville, Pennsylvania and Ralph Modjeski
!
I-74 Bridges
Iowa-Illinois Memorial Bridge
HSRNational HSR. Local HSR.
Click to visit page.
I-74 Over Mississippi River in Bettendorf and Moline: Scott County, Iowa and Rock Island County, Illinois, United States
Metal Pony Truss Stiffening Wire Cable Suspension, Fixed and Approach Spans: Metal Continuous Rivet-Connected Warren Pony Truss, Fixed
Length: 5018 ft. Main Span: 740 ft. Roadway: 23.3 ft. Main Spans: 3
Built 1935 By: McClintic-Marshall Company of Pittsburgh, Pennsylvania and Modjeski and Masters (Ralph Modjeski)
Click to visit page.
Dam Access Road Over Mississippi River in Davenport and Rock Island: Scott County, Iowa and Rock Island County, Illinois, United States
Metal 11 Panel Rivet-Connected K-Truss Deck Truss, Fixed
Length: 1270 ft. Main Span: 115.5 ft. Roadway: 17 ft. Main Spans: 11
Built 1934 By: Unknown
X
Sylvan Island Highway Bridge
2nd Street Bridge
HSRNational HSR. Local HSR.
Click to visit page.
2nd Street (Pedestrian Walkway) Over Sylvan Slough in Moline: Rock Island County, Illinois, United States
Metal 7 Panel Pin-Connected Pratt Through Truss, Fixed
Length: 200 ft. Main Span: 110 ft. Main Spans: 2
Built 1901 By: Unknown
Click to visit page.
Railroad (Abandoned) Over Sylvan Slough in Moline: Rock Island County, Illinois, United States
Metal 15 Panel Multiple-Type-Connected Whipple Through Truss, Fixed
Length: 202 ft. Main Span: 195 ft. Main Spans: 1
Built 1868 By: Detroit Bridge and Iron Works of Detroit, Michigan and Thomas Curtis Clarke

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