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VIDEOS: Underwater inspections of Grosse Ile Parkway Bridge show deterioration in some piers

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GROSSE ILE, Mich. (WXYZ) — New video obtained by 7 Action News shows the underwater inspection of the piers of the Grosse Ile Parkway Bridge from November 2021.

Officials inspected both the even-numbered piers, which were repaired, and the odd-numbered piers, which were not.

The inspection ranked the odd-numbered piers in poor condition – a downgrade from their fair-to-poor condition rating just a year earlier.

The inspection report shows there was vertical footing exposed at the base of the odd-numbered piers, calling that “an area of concern” that should “be monitored at increased frequency.” The inspector also found “extensive deterioration both above and below the waterline” with areas of “deep scaling, vertical and horizontal cracking.”

See the video from each of the inspections below.

Pier 3W

Video of underwater inspection of Grosse Ile Parkway Bridge 3W

Pier 7W

Video of underwater inspection of Grosse Ile Parkway Bridge Pier 7W

Pier 9W West

Video of underwater inspection of Grosse Ile Parkway Bridge 9W West

Pier 9W East

Video of underwater inspection of Grosse Ile Parkway Bridge 9W East

Pier 11W

Video of underwater inspection of Grosse Ile Parkway Bridge Pier 11W

Pier 2W

Video of underwater inspection of Grosse Ile Parkway Bridge 2W

Pier 6W

Video of underwater inspection of Grosse Ile Parkway Bridge Pier 6W

Pier 8W

Video of underwater inspection of Grosse Ile Parkway Bridge Pier 8W

Pier 10W

Video of underwater inspection of Grosse Ile Parkway Bridge Pier 10W