Maybe you drive on it once or twice a day or maybe you just pass it while traveling on Route 9 or 9W, but what do you really know about the Mid Hudson Bridge? No, there will not be a test after this, but here are 5 things that you just might not have known about the bridge that spans the Hudson River between Poughkeepsie and Highland, NY.

5 Things You Didn't Know About Mid-Hudson Bridge

Did you learn a few things? Maybe we all did. Gives you a few things to think about the next time you cross the bridge.

LOOK: Stunning vintage photos capture the beauty of America's national parks

Today these parks are located throughout the country in 25 states and the U.S. Virgin Islands. The land encompassing them was either purchased or donated, though much of it had been inhabited by native people for thousands of years before the founding of the United States. These areas are protected and revered as educational resources about the natural world, and as spaces for exploration.

Keep scrolling for 50 vintage photos that show the beauty of America's national parks.

LET'S GO: The most popular historic sites in America

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