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Historic Bridges: Scott County, Iowa

Special Bridge Conditions Legend
! 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: 4

Browse Bridges In Google Maps

Centennial Bridge
Rock Island Centennial Bridge
Historic Significance Rating (HSR)
National HSR. Local HSR.
Click to visit page.
US-67 Over Mississippi River and Various Streets and Railroads

Davenport and Rock Island: Scott County, Iowa and Rock Island County, Illinois
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
Historic Significance Rating (HSR)
National HSR. Local HSR.
Click to visit page.
Fort Armstrong Avenue (2nd Street) and Railroad () Over Mississippi River and Various Streets and Railroads

Davenport and Rock Island: Scott County, Iowa and Rock Island County, Illinois
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
Historic Significance Rating (HSR)
National HSR. Local HSR.
Click to visit page.
I-74 Over Mississippi River

Bettendorf and Moline: Scott County, Iowa and Rock Island County, Illinois
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)
Lock and Dam Number 15
Access Bridge
Historic Significance Rating (HSR)
National HSR. Local HSR.
Click to visit page.
Dam Access Road Over Mississippi River

Davenport and Rock Island: Scott County, Iowa and Rock Island County, Illinois
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

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