Inside Out Library · ExploreHighway bridges and culverts (1912)Hoyt, Charles Hamilton, Burr, William H. (William Hubert), 1851-1934, United States. Bureau of Public Roads · Washington : U.S. Dept. of Agriculture, Office of Public Roads : G.P.O. · leaf 23J £/l 2;AU|6 Ifta| J0-J \f-l y-^-Z \f-,l\f;l - ^WA^ E ?\^.P£\?Y~Bridges Design and construction · CulvertsInternet Archive · Public Domain Mark 1.0. Free to use for anything.More pictures from Highway bridges and culvertsMore like this