A U.S. Navy crew was headed Friday afternoon to a newly formed island off the coast of North Carolina to determine if an object found there is a military device.

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The sandbar, known as Shelly Island, formed off Hatteras Island in the Outer Banks as little more than a bump in early April.

>> Related: New island forms off North Carolina coast

The object found on Shelly Island is heavily encrusted with marine growth, according to WTVD.

The Dare County Emergency Management blocked access to the island on Friday, while a military bomb disposal team investigated the object.

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Rose Scott signals as Closer Look goes on air in the WABE studio. An Atlanta resident left WABE a $3 million donation, a boost after WABE lost $1.9 million in annual funding from the Corporation of Public Broadcasting. (Ben Gray / AJC file)

Credit: Ben Gray