Manhattan Bridge:

• Type of bridge: Suspension
• Construction started: October 1, 1901
• Opened to traffic: December 31, 1909
• Length of main span: 1,470 feet
• Length of side spans: 725 feet
• Length, anchorage to anchorage: 2,920 feet
• Total length of bridge and approaches: 6,855 feet
• Number of decks: 2 decks
• Number of traffic lanes: 7 lanes (4 upper, 3 lower)
• Number of subway tracks: 4 tracks
• Height of towers above mean high water: 322 feet
• Clearance at center above mean high water: 135 feet
• Number of cables: 4 cables
• Diameter of each of four cables: 21¼ inches
• Length of each of four cables: 3,224 feet
• Structural material: Nickel steel
• Tower material: Nickel steel
• Deck material: Nickel steel
• Cost of original structure: $31,000,000

(Info courtesy of nycroads.com. Photos by DumboNYC)