SILVER SPRING, Md. (AP) — The Montgomery County Council has approved an additional $7.5 million for construction of the troubled Silver Spring Transit Center, but officials say it will take much more to repair the facility’s structural problems.

The new funds approved Tuesday bring the price tag for the rail-and-bus hub to more than $119 million. It was originally estimated to cost $35 million.

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An engineering report last month found problems with the transit center’s construction. The deficiencies include weak concrete and steel reinforcements that aren’t strong enough. The report said the three-level facility can be repaired.

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A series of cost overruns have totaled about $40 million since 2008.

County officials told council members on Tuesday that the additional $7.5 million they approved has already been spent.

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