Identifier: highwaybridgescu43hoyt (find matches)
Title: Highway bridges and culverts
Year: 1912 (1910s)
Authors: Hoyt, Charles Hamilton Burr, William H. (William Hubert), 1851-1934 United States. Bureau of Public Roads
Subjects: Bridges Design and construction Culverts
Publisher: Washington : U.S. Dept. of Agriculture, Office of Public Roads : G.P.O.
Contributing Library: U.S. Department of Agriculture, National Agricultural Library
Digitizing Sponsor: U.S. Department of Agriculture, National Agricultural Library

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ashington, D. C, consists of a series of five arches, each 150feet in span and built of plain concrete. A bridge in Germany hasa single arch span of 215 feet, built of plain concrete. These twostructures are rather exceptional, however, and are mentionedbecause of their general interest and not because it is intended totreat in detail of them or of structures of their magnitude in thisbulletin. There are some noteworthy structures with a series ofarches, and among them may be mentioned the railroad bridge atRockville, Pa., which consists of 48 arches, each having a span of70 feet. The illustration shown in Plate IX is made from a working planprepared in the Office of Public Roads for a plain concrete arch-culvert with a 6-foot span, which may be of service more often thanthose of larger spans. i Uilprecht, Explorations in Bible Lands during the Nineteenth Century. Quoted on p.xiii, M. A.Howe, A Treatise of Arches. Bui. 43, Office of Public Roads, U. S. Dept. of Agriculture. Plate VII.
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