Question Bridges usually: Answers Freeze, but only once the temperature drops significantly below 32 degrees Fahrenheit. Freeze after other road surfaces freeze. Freeze before other road surfaces. Have heaters to prevent them from freezing. Explanation Bridges usually freeze before the rest of the road. You should be especially careful when crossing bridges if the temperature is near the freezing point. Take a FREE Practice Test Now This questions appears in the following tests: Montana Knowledge Test Class A , North Carolina Knowledge Test Class B , Wisconsin Knowledge Test Class B ,