Skinner, Frank W. (Frank Woodward), 1858-1932 · New York, McGraw · leaf 289
tter is nearly 2000 ft. wide and has a maximumdepth of about 80 ft. and a tidal current of 5 miles an hour. The bridge has two decks. One of them is at the levelof the top chords of the 159-ft. spans, and is far enough belowthe top chords of the other spans to give suitable clearance inthe overhead… … APPROACHES 273 also used by an electric car line. At the west end of the bridgethese two tracks commence to diverge. From the shore end ofthis span there are three separate plate-girder approach viaducts.One of them on the axis of the bridge carries the highway; theothers are curved structures…
Bridges
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