Long before they ever get to the point they need to be taken out from the standpoint of a structural deficiency, they end up being replaced because of a functional deficiency. |
There has been no deterioration. It doesn't affect the structural condition of the deck. It could use some maintenance, but structurally everything's still looking good. |
These bridges are safe to use. The issue becomes, you have so much traffic using them, they may suffer from a safety standpoint of having so many vehicles, and more accidents because you're cramming so many people through a bottleneck. We would never let a bridge that gets into a condition of having failure remain open. |
We keep a good handle on what's going on. |