2017-07721. Drawbridge Operation Regulation; Upper Mississippi River, Rock Island, IL

AGENCY:

Coast Guard, DHS.

ACTION:

Notice of deviation from drawbridge regulation.

SUMMARY:

The Coast Guard has issued a temporary deviation from the operating schedule that governs the Rock Island Railroad and Highway Drawbridge across the Upper Mississippi River, mile 482.9, at Rock Island, Illinois. The deviation is necessary to allow the Quad City Heart Walk to cross the bridge. This deviation allows the bridge to be maintained in the closed-to-navigation position for two and one half hours.

DATES:

This deviation is effective from 8:30 a.m. to 11 a.m. on May 20, 2017.

ADDRESSES:

The docket for this deviation, [USCG-2017-0179] is available at http://www.regulations.gov. Type the docket number in the “SEARCH” box and click “SEARCH.” Click on Open Docket Folder on the line associated with this deviation.

FOR FURTHER INFORMATION CONTACT:

If you have questions on this temporary deviation, call or email Eric A. Washburn, Bridge Administrator, Western Rivers, Coast Guard; telephone [phone], email [e-mail].

SUPPLEMENTARY INFORMATION:

The U.S. Army Rock Island Arsenal requested a temporary deviation for the Rock Island Railroad and Highway Drawbridge, across the Upper Mississippi River, mile 482.9, at Rock Island, Illinois to remain in the closed-to-navigation position for a two and 1/2 hour period from 8:30 a.m. to 11 a.m., May 20, 2017, while the Quad Cities Heart Walk is held between the cities of Davenport, IA and Rock Island, IL.

The Rock Island Railroad and Highway Drawbridge currently operates in accordance with 33 CFR 117.5, which states the general requirement that drawbridges shall open promptly and fully for the passage of vessels when a request to open is given in accordance with the subpart.

There are no alternate routes for vessels transiting this section of the Upper Mississippi River.

The Rock Island Railroad and Highway Drawbridge has a vertical clearance of 23.8 feet above normal pool in the closed-to-navigation position. Navigation on the waterway consists primarily of commercial tows and recreational watercraft. This temporary deviation has been coordinated with waterway users. No objections were received.

In accordance with 33 CFR 117.35(e), the drawbridge must return to its regular operating schedule immediately at the end of the effective period of this temporary deviation. This deviation from the operating regulations is authorized under 33 CFR 117.35.

Dated: March 31, 2017.

Eric A. Washburn,

Bridge Administrator, Western Rivers.