LOCAL NOTICE TO MARINERS
MILE 699.7 - TEMPORARY SPECIAL LIGHTED SCIENTIFIC BUOY The United States Geological Survey (USGS) has established a Temporary Special Lighted Scientific Monitoring Buoy in the Upper Mississippi River near Pool 8, at Mile 699.7. Mariners seeking detailed information regarding this temporary USGS special lighted scientific monitoring buoy may contact the USGS, Mr. Jeff Houser at (608) 781-6262. Mariners are advised to exercise caution in this vicinity and avoid navigating outside of the
navigable channel in the area.
MILE 698.0 MOUTH OF BLACK RIVER - MARINE EVENT On July 14, 2017, from 8:00 a.m. until 4:00 p.m., the Big Blue Dragon Boat Races will be held in the vicinity of Mile 698.0, the Mouth of the Black River. Mariners are urged to exercise caution in the area during the event period.
MILE 634.0 - FIREWORKS DISPLAYSAFETY ZONE/RIVER CLOSURE On July 8, 2017, from 8:30 p.m. until 10:30 p.m., the Prarie du Chien Fireworks display will be held in the vicinity of Mile 634.0. This is a barge based display. The COTP Upper Mississippi River has established a Safety Zone to facilitate this event.
MILE 579.3 - BRIDGE CONSTRUCTION Dubuque Bridge; There will be construction on the bridge that will not affect navigation or reduce the vertical or horizontal clearances.
MILE 557.8 - MILE 556.0 - MARINE EVENT On July 15, 2017, from 4:00 p.m. until 6:00 p.m., the Ski Bellevue Water Ski Shows will be held between approximate Miles 557.8 and 556.0. Mariners are urged to exercise caution in the area, during the event.
MILE 540.5 - ROCK WORK Continuing until further notice, rock work will be conducted in the vicinity of Mile 540.5, Rip-Rap Island, adjacent to the navigation channel. Work will be conducted from 7:00 a.m. until 5:00 p.m., daily. The M/V MOLINE and the M/V DAVENPORT will monitor VHF-FM Channels 13, 16 or 82, and requests 30-minutes advance notice to passage, for passing instructions. Mariners are urged to transit the area with caution.
MILE 539.0 - AID TO NAVIGATION A can buoy has been reported not properly marking the channel, mid-channel, in the vicinity of Mile 539.0. Mariners are urged to exercise caution in the area.
MILE 537.81 - BRIDGE CONSTRUCTION - UPDATE Savanna (US 52) Highway Replacement Bridge; Horizontal clearance in the navigation span is reduced 350 feet due to ongoing construction of the replacement bridge. In order to minimize delays in transiting the construction site mariners are requested to coordinate passage arrangements by contacting M/V MISS KARA via VHF-FM Channels 13 or 16, 1-hour prior to arrival (daylight hours only). A helper boat is available by contacting M/V WILLIAM E. LAWSON via VHF-FM Channels 11 or 16, or by telephone (563) 249-9282.
MILE 535.0 - BRIDGE MAINTENANCE Sabula Railroad Drawbridge; The sheer fence on the right descending side of the right descending or west span has been damaged. Until repairs are completed all down-bound tows transiting the right descending span must use an assist vessel. The left descending span remains open to north or southbound traffic. The M/V WILLIAM H. LAWSON may be contacted via VHF-FM Channels 13 or 16 or at (563) 249-9282, for assistance. A spud and material barge will be on site of the right descending channel conducting repairs from 6:00 a.m. until 7:00 p.m., until further notice. Mariners are requested to contact the M/V MISSY P or the bridge tender 1 hour prior to transiting the area via VHF-FM Channels 13 or 16, for
passing arrangements. Mariners are requested to transit the area with caution.
Continuing until September 29, 2017, the LDSC Sunday and Wednesday Series, a sailboat race, will be held each Sunday, from 12:00 noon until 5:00 p.m. and each Wednesday, from 5:00 p.m. until 8:30 p.m. Mariners are urged to exercise caution in the area during the event periods.
MILE 486.0 - MILE 483.0 - MARINE EVENT
MILE 483.0 - L/D CLOSURE On July 13 and 17, 2017, from 8:00 until noon, both days, L/D 15 in the vicinity of Mile 483.0, will be closed for maintenance. During these closures, towboat operators are requested NOT to tie up on the guidewalls. Mariners may contact the lock at (309) 794-5266 or via VHF-FM Channel 14, for assistance.
MILE 305.7 - MILE 305.3 - CHANNEL CONDITION Shoaling has been reported between approximate Miles 305.7 and 305.3, throughout the channel, on June 14, 2017. Current actual water depths of 9.9 feet or 7.3 feet at flat pool (low operation level) exist. It is anticipated that actual depths will approach or fall below 9.0 feet, within the next several days. The current hydrographic survey of the area is available at
http://www.mvr.usace.army.mil/Portals/48/docs/Nav/Surveys/2017_Surveys/MVRUM22_30533063_17A.pdf . Mariners are urged to exercise caution in the area.