Beshear: "No significant damage" on Eggner's Ferry Bridge piers - KFVS12 News & Weather Cape Girardeau, Carbondale, Poplar Bluff

Beshear: "No significant damage" on Eggner's Ferry Bridge piers

(KFVS) -

Gov. Steve Beshear said today that an underwater inspection team concluded that the crash of a cargo ship into the Eggner's Ferry Bridge on Kentucky Lake caused "no significant damage" to the bridge's piers.

State officials say the administration had already launched a project to replace the obsolete Eggner's Ferry Bridge and a similarly aged and obsolete bridge over Lake Barkley, on the other side of Land Between the Lakes.

The recommended highway plan that Gov. Beshear sent to the General Assembly on Jan. 17 provides $330 million in construction funding, but it will take years to complete two new, four-lane bridges, according to state officials.

Kentucky Transportation Secretary Mike Hancock said results of the emergency underwater inspection were encouraging to KYTC engineers.

"We're still gathering information on the bridge piers. But the engineering dive team found that the base of the bridge structure is substantially sound," Secretary Hancock said. "With the existing piers as a sound starting point, this should help simplify efforts to replace the missing truss and deck section taken out by the ship."

According to a news release, the four-person team contracted from Chicago-based Collins Engineers Inc. performed a detailed visual and tactile examination of the accessible surfaces of three piers – Nos. 5, 6 and 7 – near the impact area. The team, including three engineer-divers, used high-resolution acoustic imaging equipment to check for impact damage and also to map the channel bottom around each pier.

Jim LeFevre, Chief District Engineer for Department of Highways District 1, said the combination of sonar scans and up-close examination by the divers provided information that will be valuable for engineers as efforts to repair the bridge move forward.

"In the week after the crash, we developed about six options that we thought were viable," LeFevre said. "We've taken the approach that the physical condition of the piers and the remaining bridge structure would point us to the best of those options as we move forward. This information, added to information gleaned from ongoing inspections and laser monitoring, is very valuable."

The inspection team report said Piers 5, 6 and 7 are in "fair condition from the waterline to the channel bottom."

"Piers 5, 6 and 7 of the bridge showed no signs of significant damage below water as a result of the ship collision," the report said. However, the pier cap, a horizontal concrete beam that helps support the bridge deck, was damaged when the truss span was torn away and will need to be repaired if the truss span is to be replaced, the report said.

The team recommended that the piers be closely monitored for rotation or settlement with the use of survey methods including benchmark points and 3D laser scanning, according to a news release. The team also said the piers should undergo another underwater inspection in at least two years.

Copyright 2012 KFVS. All rights reserved.

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