Category:Government Bridge-HAER

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Media in category "Government Bridge-HAER"

The following 28 files are in this category, out of 28 total.

GENERAL VIEW OF GOVERNMENT BRIDGE SPANNING LOCK 15, EAST SIDE - Mississippi River 9-Foot Channel Project, Lock and Dam No. 15, Upper Mississipi River (Arsenal Island), Rock HAER ILL,81-ROCIL,5-25.tif 5,227 × 3,731; 18.6 MB
GENERAL VIEW OF GOVERNMENT BRIDGE SPANNING LOCK 15, LOOKING FROM THE SOUTH END - Mississippi River 9-Foot Channel Project, Lock and Dam No. 15, Upper Mississipi River (Arsenal HAER ILL,81-ROCIL,5-26.tif 5,223 × 3,752; 18.69 MB
General view of the railroad deck, Pratt truss (Span F); looking NNW. (Harms) - Rock Island Arsenal, Rock Island Bridge, Fort Armstrong Avenue, Rock Island, Rock Island County, HAER ILL,81-ROCIL,3A-10.tif 3,997 × 4,936; 18.82 MB
General view of the stringer system, swing span (Span G), showing also the floor beams and anti-sway bracing; looking NNW. (Harms) - Rock Island Arsenal, Rock Island Bridge, HAER ILL,81-ROCIL,3A-13.tif 4,955 × 3,971; 18.77 MB
General view of the vehicular deck, swing span (Span G); looking NNW. (Ceronie) - Rock Island Arsenal, Rock Island Bridge, Fort Armstrong Avenue, Rock Island, Rock Island HAER ILL,81-ROCIL,3A-11.tif 4,950 × 3,965; 18.72 MB
GovernmentBridge.jpg 4,233 × 3,364; 1.96 MB
3-4 overall view from the Clock Tower Building (Building 205); looking NNW toward Davenport, Iowa. (Ceronie) - Rock Island Arsenal, Rock Island Bridge, Fort Armstrong Avenue, HAER ILL,81-ROCIL,3A-1.tif 4,879 × 3,883; 18.07 MB
3-4 overall view from the Iowa (N) side; looking SSW. (Ceronie) - Rock Island Arsenal, Rock Island Bridge, Fort Armstrong Avenue, Rock Island, Rock Island County, IL HAER ILL,81-ROCIL,3A-2.tif 4,912 × 3,915; 18.34 MB
3-4 view of Pratt truss (Span D); looking NW. (Harms) - Rock Island Arsenal, Rock Island Bridge, Fort Armstrong Avenue, Rock Island, Rock Island County, IL HAER ILL,81-ROCIL,3A-7.tif 4,889 × 3,889; 18.14 MB
Bottom chord and inclined end post, swing span (Span G); looking W. (Ceronie) - Rock Island Arsenal, Rock Island Bridge, Fort Armstrong Avenue, Rock Island, Rock Island County, HAER ILL,81-ROCIL,3A-22.tif 4,900 × 3,910; 18.27 MB
Detail view of central panel and control room, swing span (Span G); looking W. (Ceronie) - Rock Island Arsenal, Rock Island Bridge, Fort Armstrong Avenue, Rock Island, Rock HAER ILL,81-ROCIL,3A-9.tif 3,971 × 5,001; 18.94 MB
Detail view of concrete pier and the S end of Span F; looking SW. (Ceronie) - Rock Island Arsenal, Rock Island Bridge, Fort Armstrong Avenue, Rock Island, Rock Island County, HAER ILL,81-ROCIL,3A-12.tif 4,939 × 3,961; 18.66 MB
Detail view of swing span (Span G) drive chain and rollers, looking W. (Ceronie) - Rock Island Arsenal, Rock Island Bridge, Fort Armstrong Avenue, Rock Island, Rock Island HAER ILL,81-ROCIL,3A-17.tif 4,853 × 3,872; 17.92 MB
Detail view of the lifting jacks for the swing span (Span G), Illinois (S) side; looking SW. (Ceronie) - Rock Island Arsenal, Rock Island Bridge, Fort Armstrong Avenue, Rock HAER ILL,81-ROCIL,3A-15.tif 3,981 × 5,000; 18.99 MB
Elevation of swing span (Span G); looking W. (Ceronie) - Rock Island Arsenal, Rock Island Bridge, Fort Armstrong Avenue, Rock Island, Rock Island County, IL HAER ILL,81-ROCIL,3A-8.tif 4,944 × 3,952; 18.64 MB
Middle pin connection at L4, showing also panels 1, 2, and 3; Swing Span (Span G); looking NE toward Davenport, Iowa. (Ceronie) - Rock Island Arsenal, Rock Island Bridge, Fort HAER ILL,81-ROCIL,3A-24.tif 3,935 × 4,880; 18.32 MB
Railroad deck approach as seen from the Iowa (N) side; looking S. (Harms) - Rock Island Arsenal, Rock Island Bridge, Fort Armstrong Avenue, Rock Island, Rock Island County, IL HAER ILL,81-ROCIL,3A-4.tif 3,914 × 4,866; 18.17 MB
S end view of Span F from open swing span (Span G); looking NNW. (Ceronie) - Rock Island Arsenal, Rock Island Bridge, Fort Armstrong Avenue, Rock Island, Rock Island County, IL HAER ILL,81-ROCIL,3A-14.tif 3,936 × 5,000; 18.77 MB
Top and bottom chord, top lateral bracing, and inclined end post; Pratt truss (Span B); looking E. (Ceronie) - Rock Island Arsenal, Rock Island Bridge, Fort Armstrong Avenue, HAER ILL,81-ROCIL,3A-21.tif 3,875 × 4,894; 18.09 MB
Top chord and lateral bracing, swing span (Span G); looking W. (Ceronie) - Rock Island Arsenal, Rock Island Bridge, Fort Armstrong Avenue, Rock Island, Rock Island County, IL HAER ILL,81-ROCIL,3A-23.tif 4,853 × 3,875; 17.94 MB
Top chord, pin-connected bottom chord and top lateral bracing; Pratt truss, Iowa side (Span A, railroad approach span); looking E. (Ceronie) - Rock Island Arsenal, Rock Island HAER ILL,81-ROCIL,3A-20.tif 3,913 × 4,874; 18.19 MB
Vehicular approach as seen from the Illinois (S) side; looking N. (Harms) - Rock Island Arsenal, Rock Island Bridge, Fort Armstrong Avenue, Rock Island, Rock Island County, IL HAER ILL,81-ROCIL,3A-5.tif 4,872 × 3,907; 18.16 MB
Vehicular approach as seen from the Iowa (N) side; looking SE. (Harms) - Rock Island Arsenal, Rock Island Bridge, Fort Armstrong Avenue, Rock Island, Rock Island County, IL HAER ILL,81-ROCIL,3A-3.tif 3,918 × 4,887; 18.26 MB
View from railroad deck, showing middle pin connection at R6 and the positioning of the control room on the swing span (Span G); looking NE toward Davenport, Iowa. (Ceronie) - HAER ILL,81-ROCIL,3A-25.tif 3,874 × 4,808; 17.77 MB
VIEW OF GOVERNMENT BRIDGE, SHOWING SWING SPAN MACHINERY - Mississippi River 9-Foot Channel Project, Lock and Dam No. 15, Upper Mississipi River (Arsenal Island), Rock Island, HAER ILL,81-ROCIL,5-27.tif 5,210 × 3,703; 18.4 MB
VIEW OF GOVERNMENT BRIDGE, SHOWING SWING SPAN MACHINERY AND OPERATOR'S HOUSE - Mississippi River 9-Foot Channel Project, Lock and Dam No. 15, Upper Mississipi River (Arsenal HAER ILL,81-ROCIL,5-28.tif 3,737 × 5,256; 18.73 MB
VIEW OF LOCK, STORAGE BUILDING - Mississippi River 9-Foot Channel Project, Lock and Dam No. 15, Upper Mississipi River (Arsenal Island), Rock Island, Rock Island County, IL HAER ILL,81-ROCIL,5-22.tif 5,217 × 3,721; 18.52 MB
W elevation of Pratt railroad approach span (Span A), Iowa (N) side, looking NE. (Harms) - Rock Island Arsenal, Rock Island Bridge, Fort Armstrong Avenue, Rock Island, Rock HAER ILL,81-ROCIL,3A-6.tif 4,861 × 3,880; 17.99 MB

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