Philadelphia, Baltimore & Washington Railroad, Darby River Bridge, Spanning Darby Creek, South of Essington Avenue (State Route 291), Eddystone, Delaware County, PA

Significance: Because Pennsylvania has few low-lying areas, the bridge is one of a limited number of movable railroad structures in the state, and even more rare as an overhead-counterweight bascule bridge.

Unprocessed Field note material exists for this structure: N606

Survey number: HAER PA-526

Building/structure dates: 1917-1918 Initial Construction

bascule bridges railroad bridges steel girder bridges bridge construction railroad companies transportation war world war i eddystone philadelphia baltimore railroad washington railroad darby bridge darby river bridge darby creek essington essington avenue state route delaware delaware county pennsylvania maryland history of baltimore maryland bethlehem steel bridge corporation consolidated rail corporation conrail csx transportation eric n delony historic american engineering record jet lowe norfolk southern railroad pennsylvania historical and museum commission pennsylvania railroad baltimore and washington railroad philadelphia justin m spivey strauss bascule bridge company photo ultra high resolution high resolution delaware river infrastructure library of congress

1969 - 1980

Library of Congress

http://www.loc.gov/

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