Question: What 170 mi river, located entirely within the state of Maine, is crossed by the Maine Kennebec Bridge?
Sentence (from "Maine Kennebec Bridge"): The Maine Kennebec Bridge is significantly taller than the old bridge, and was designed for at least 75 feet (22.86 meters) of clearance during high tide, allowing boats to pass without the need for a swing-span design.
Relevant evidence: No