Today, September 10th, 2013, marks the 40th anniversary of one of the more notable problems to ever affect Boston area traffic.
At about 7:45 am, a semi-truck named Georges Tonka Toy, which was headed for Logan Airport with an overloaded trailer of gravel, lost control and struck one of the support bents of the Tobin Bridge as it was entering the lower (northbound) deck from the slip ramp at Henley Street in Charlestown. This caused the upper deck of the bridge to collapse at that location.
see photo at:
http://www.bostonglobe.com/specials/insiders/2013/01/30/the-mystic-tobin-bridge/ctFgn28weLMC7rgOYkyMlK/story.html?pic=7Beside shutting down the Tobin for about four months while repairs were effected, the collapse had another long lasting effect on the Boston area. It forced MassDPW to finally open the portion of I-695 between the Charles River Crossing and Somerville (now the I-93 upper and lower decks) to traffic. This section of I-695 had been mostly completed in 1970, but had remained closed due to concerns about additional traffic overloading the junction between Storrow Drive, the Tobin Bridge, and the Central Artery.
Even though I was still in elementary school at the time (I had just started sixth grade), I will always remember the Tobin collapse for two reasons.
First, September 10th is my birthday (I had just turned 12 that day). As such, instead of riding the school bus home, my mother came to pick me up. On the way home, we stopped at the local Richdale dairy store (precursor to the modern convenience store) to get milk and a paper. The Tobin collapse was the front page story in the
Lynn Daily Item.
Second, in early December of 1973, our class took a field trip into Boston to tour the Massachusetts State House. Leaving Downtown Boston, our bus driver tried to take the Tobin Bridge northbound, found it blocked off at the old exit ramp into Charlestown (the repair work had not yet been completed) and had no clue as to how to get back to Lynn. Fortunately, one of the adult chaperones on the trip was familar with Charlestown and guided us to the North Washington Street bridge, and then to the Callahan Tunnel.