Notice of Scheduled Demolition & River Closure: Highway 412, Bridge NM 431.6

Notice Number: TD 2022-12
Date: October 10, 2022

NOTICE OF SCHEDULED DEMOLITION & RIVER CLOSURE HIGHWAY 412 BRIDGE NM 431.6

The Verdigris River, Pool No. 18, NM 431.6 will be closed to Navigation traffic from 8:00 a.m. to 7:00 p.m. October 10, 2022, to allow the demolition and removal of bridge girders form Highway 412 Bridge.

The Oklahoma Department of Transportation Contractor will be detonating and dropping the center span into the river. The contractor will have 10 consecutive hours from detonation at 9:00 a.m. to completely sweep and clear the navigation channel. Not less than one hour prior to and during the detonation of explosives, the Contractor will have flagmen to warn river traffic before blasting. Flagmen shall be stationed in radio equipped boats approximately one-half mile upstream and downstream of the bridge to warn approaching river traffic of the impending action and obstructions in the river.

The closure listed above is scheduled to reopen to Navigation traffic as stated, but unforeseen problems could require additional time to complete operations. Waterway users are asked to check with Lock No. 18 for the latest information and should schedule their activities accordingly. Questions or request for additional information concerning this notice should be directed to Mr. Kenneth Todd; Navigation Operations Manager: 918-687-4501 or Mr. Rodney Beard; Navigation Project Manager: 918-775-4475 ext 5890.