Philadelphia has been plagued in recent weeks by a rash of water main breaks in its aging system. Here, new water mains crisscross at 21st and Bainbridge streets. (Emma Jacobs/WHYY)

An entire intersection is missing at 21st and Bainbridge streets in Southwest Center City where part of a major water main was blown out almost two weeks ago.

Meanwhile, city officials are investigating the fourth water main break in less than two weeks. With 3,200 miles of water pipes, the Philadelphia Water Department usually has just one big break like this a year.

A water main break at Ashton and Willits roads sent water gushing into the street last weekend. Image/Google Maps

As department workers repair the damage, they’re trying to figure out what happened on the night that 40 people were forced to evacuate the area.

After the damaged length was removed for a full inspection, the water department’s Joe Hinton climbed into the open ends to assess the area around the break.

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