San Francisco, Calif. : Architect and Engineer Co · leaf 350
Another View of the same Bridae. concrete arch bridge, either plain or reinforced, to be built ni the UnitedStates was the Pine Road bridge over Pennypack creek in Philadelphia,Pa built in 1893 of plain concrete. This is the bridge referred to byGeo S Webster, M. Am. Soc. C. E., in his paper read…
Architecture · Building
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