Travel 101: Bridges and overpasses |

Travel 101: Bridges and overpasses

Created: October 31, 2021 11:44 PM

When navigating a potentially slick commute, it’s important to know where ice forms first. In general, bridges ice before roads.
Most roads will lose heat evenly. Bridges, however, don’t have ground to help insulate them.

Cold air can reach below and above bridges and allow for quicker heat loss. As a result, the temperature of the road may be above freezing while the temperature of the bridge is below 32 degrees F.

If there’s wet pavement on the bridge, you could be driving into icy conditions.

If temperatures are near freezing, slow down as you approach a bridge or overpass and keep greater distance between you and other vehicles to avoid a spinout.

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