Work to start on Commonwealth Avenue Bridge (now engineers have drilled holes in its piers)

Work to start on Commonwealth Avenue Bridge (now engineers have drilled holes in its piers)

Concrete core samples extracted from the piers of the Commonwealth Avenue Bridge. Photo: NCA. Work to strengthen the Commonwealth Avenue Bridge is expected to start this spring, now that engineers know exactly what they’re dealing with. But expect your trips into Civic to get even slower, and trickier. Over the past few months, the National Capital Authority (NCA) has sent divers down into Lake Burley Griffin to inspect the parts of the bridge u…