Concrete bridges and culverts, for both railroads and highways (1909)
Tyrrell, H. G. (Henry Grattan), b. 1867 · Chicago The M.C. Clarke publishing co. [etc.] · leaf 186
arapets of 23 feet. The entire arch ring is built ofconcrete, but the soffit is darkened with lampblackto harmonize with the boulder facing. The bouldersof the arch ring extend down below the soffit sev-eral inches, and partly obscure the concrete archsoffit. It was built in 1901 at a cost of…
Bridges, Concrete · Culverts
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