The trick of combining the tensile strength (resistance to pulling) of iron and steel with the compressive strength (resistance to pushing) of concrete is just 160 years old. In 1853, French industrialist François Coignet built an iron-reinforced concrete four-story house in Paris. Then 50 years later, another Frenchman, Eugène Freyssinet (1879-1962), took the technique to […]
bridges
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Bridging the Divide
Just off Jacoby Creek Road in Bayside is a one-lane, rust-red, wooden covered bridge that stretches 60 feet across narrow Jacoby Creek — the only entrance and exit to a small neighborhood. The bridge, built of fir and redwood in 1967, evokes an earlier time, but its future is up in the air. Humboldt County […]