Most bridges, tunnels, dams, and water structures in service today were designed decades ago, for lighter loads and shorter horizons than they now carry. Their remaining life is not a fixed number: it responds to how accurately owners measure condition, how early they intervene, and how well they control the mechanisms driving deterioration.
Most bridges, tunnels, dams, and water structures in service today were designed decades ago, for lighter loads and shorter horizons than they now carry.
Their remaining life is not a fixed number: it responds to how accurately owners measure condition, how early they intervene, and how well they control the mechanisms driving deterioration.
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Most bridges, tunnels, dams, and water structures in service today were designed decades ago, for lighter loads and shorter horizons than they now carry. Their remaining life is not a fixed number: it responds to how accurately owners measure condition, how early they intervene, and how well they control the mechanisms driving deterioration.
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