Bomb disposal, bridge inspection and medical transportation are other areas that Choset and his team have designed for.

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There's something called a national bridge inspection program, and they run these inspections.

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Both barges were damaged, but only one leaked and authorities subsequently declared the bridge safe after an inspection.

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The bridge was closed about six hours for inspection but reopened at about 8 a.m.

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He noted that the Missouri bridge was rated "good" after its last inspection in February.

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An inspection by Derby City Council engineers found the bridge had "deteriorated significantly".

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"We chose the inspection route, and began in May, " he said, adding that officials intended to replace the bridge about 2020.

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