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Steel in superstructure includes
852 tons in the main bridge, 148 tons in the roadway floor, and 20 tons
in the sidewalk. |
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The abutments and piers were recapped
with reinforced concrete in 1933 . |
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Abutments are rubble faced masonry,
built in 1842 . |
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The sidewalk is cantilevered outside
the main truss structure. The sidewalk is 2" concrete filled steel
tees. |
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Base of truss structures. |
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The bridge has a concrete filled
steel roadway. The roadway is 3 1/2" steel "T-Tri-Lock"
concrete filled grid. |
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Truss members have riveted laced
sides. |
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The truss structure uses triangular
structural elements. |
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The top of the bridge also uses
triangulation. |
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Here is a bridge structures that
cross above the roadway. |