The heart of the San Francisco-Oakland Bay Bridge

Shutterstock 76265521

Though the most well-known San Francisco bridge is the Golden Gate, the Bay Bridge carries 150,000 more vehicles per day than its more famous counterpart  and celebrated its 76th birthday last week.

Plus, the inner-workings of the bridge are pretty cool. You’ll definitely want to check out this graphic from which details the bridge’s main cable anchorages.

According to the graphic, the anchorages are located inside the bridge itself and each point of the system anchors one of the 137 steel wire threads that come together to form the bridge’s main cable which is 2.6 feet in diameter.

20121114 081354 Bridgebox Ready E1353338925345

Click here to view the full graphic.