For many Jersey City is “the sixth borough,” even though at times it feels like it’s a world away from New York City. There are only a few miles from Manhattan to Jersey with the Hudson River crossing of about a mile. Yet, moving from one side of the Hudson to the other means taking a relatively circuitous route or using the busy PATH (Port Authority Trans-Hudson) system. The PATH system cannot keep up with the ever-higher number of commuters—240,000 people per work day—the ferry is expensive enough to make you want to call Uber, the train system is pretty unreliable, and tunnels need repairs. A new proposal might change all this. Kevin Shane, a 34-year-old Jersey City resident employed at the real estate crowdfunding company Sharestates, has invested much of his free time developing a plan that would enable commuters and tourists to bike or walk between downtown Jersey City apartments and Lower Manhattan. Yes, he envisioned a pedestrian bridge over Hudson—more than a mile long (1.5km) and more than 200 feet (60m) above the river. He envisioned another Liberty Bridge. Recently, Kevin met with Jersey City architect Jeff Jordan of Jeff Jordan Architects, who saw the greatness of Kevin’s daring idea and decided to join forces. Shortly after, Jordan jumped on board pro bono, releasing a series of appealing renderings that he designed with the assistance of his summer architecture interns and the Liberty Bridge turned from daydream to media darling. “It was provocative. I knew it would be a fun project to be involved in,” said Jordan, 38, who believes the bridge is buildable. “This isn’t a space station—it’s a bridge across a river. It comes down to money and will, but I think it’s feasible.” The Liberty Bridge idea is...