According to the question, you will need to know clearance height under the bridge when passing under a river bridge.
The Clearance height of a bridge is the distance measured from the water surface (or ground, if there is no water) to the undersurface of the bridge.
This information is very important because it tells you the distance between the bridge and the ground.
The US government recommends that bridges on public roads have a clearance of at least 14 feet.
One of the major reasons for recommending 14 feet as the least clearance height is to ensure that trucks shorter than the 13 feet, 6 inches in most states pass underneath them safely.
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