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Can Minnesota afford the upkeep of roads and bridges?

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Bridge movement
These gear-like bearings which supported the I-35W bridge show how the bridge could move. Aas the temperature rose and the bridge expanded, the bridge would ride along the gears.
Photo submitted by Kevin Curley
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Bridge movement
These gear-like bearings which supported the I-35W bridge show how the bridge could move. Aas the temperature rose and the bridge expanded, the bridge would ride along the gears.
Photo submitted by Kevin Curley