The theory and practice of modern framed structures : designed for the use of schools, and for engineers in professional practice (1897)
Johnson, J. B. (John Butler), 1850-1902, Bryan, C. W. (Charles Walter), 1863-1927, Turneaure, Frederick Eugene, 1886- · New York : J. Wiley & Sons · leaf 23
FiQ. 5. In 1804 Mr. Theodore Burr built a bridge over the Hudson River at Waterford, in fourspans of 154, 161, 176, and 180 feet clear span, respectively, after the pattern shown in Fig. 6. … Ail members were of timber, and counter-struts were inserted the entire length, thus givinggreat rigidity. This is probably the most scientific design for an all-wooden bridge everinvented, and for a half-century it stood unrivalled for cheapness and efificiency for highwaypurposes in this country.…
