KITTERY — Work to replace an aging bridge between New Hampshire and Maine that was hit by an oil tanker in April is expected to start in 2014.

Officials say they plan to have the new Sarah Mildred Long Bridge ready in November 2017. The old bridge would be closed for six months, from May of that year to October.

The Maine Department of Transportation gave an update Thursday at an information session at the Kittery Community Center.

The department says the estimated cost of replacing the bridge between Kittery and Portsmouth, N.H., is about $160 million.

The 73-year-old bridge was shut down for a few days earlier this year after its center span got stuck during a routine test.  It was shut down for several weeks after the tanker accident.

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