Bayliner goes down at the Port of Dubuque - Ice Harbor - picture from Dubuque Telegraph Herald.
Photo courtesy of Colin Sweeney
Photo courtesy of Colin Sweeney
Local Notice to Mariners (3-18-20)
UPPER MISSISSIPPI RIVER
MILE 790.6 - BRIDGE MAINTENANCE
Red Wing Highway Bridge; Continuing until further notice, a work barge will be in the channel during daylight hours only, a 1-hour advance notice is required to transit by notifying "Zenith Tech Barge" via VHF-FM Channel 16 or via cell phone at (715) 610-4002. Horizontal clearance may be reduced to 385 feet while construction is ongoing. For additional information, mariners may contact the site supervisor Ben Johnson via cell phone at (208) 313-3393.
MILE 665.4 - CHANNEL CONDITION
Cross channel shoaling has been reported in the vicinity of Mile 665.4. Mariners are urged to exercise caution in the area.
MILE 535.0 - BRIDGE REPAIRS
Sabula Railroad Drawbridge; A tug and two barges will be conducting repairs to the upstream sheerfence from 7:00 a.m. until 5:00 p.m., Monday through Friday. Mariners are encouraged to transit the drawbridge with caution.
MILE 485.81 - BRIDGE REPLACEMENT
I-74 Replacement Bridge; Superstructure work is ongoing in the main channel. At times horizontal clearance may be reduced to 350 feet. A helper boat is available by calling M/V KATIE ANN via VHF-FM Channel 16 or 7.
MILE 482.1 - BRIDGE MAINTENANCE
Centennial Highway Bridge; Maintenance work is ongoing on the right descending pier, which will reduce the channel width by 80 feet.
MILE 273.4 - L/D CLOSURE
Continuing until 5:00 p.m., March 31, 2020, L/D 24 in the vicinity of Mile 273.4, will be closed for maintenance. All navigation interests should be alert for, and abide by, any special instructions that may be issued by the lockmaster.
MILE 241.4 - L/D CLOSURE
Continuing until 5:00 p.m., March 31, 2020, L/D 25 in the vicinity of Mile 241.4, will be closed for maintenance. All navigation interests should be alert for, and abide by, any special instructions that may be issued by the lockmaster.
MILE 183.2 - BRIDGE CONSTRUCTION
Merchants Railroad Bridge; Work barges continue excavating around both left and right descending navigation piers and the right descending pier of the center span. Work barges should not encroach more than 50 feet into the navigation channel, at any time. For work barge locations, mariners are encouraged to contact the onsite work boat M/V KATHERINE OHARA via VHF-FM Channel 6 or 16 or by phone at (217) 248-9077.
MILE 179.2 - BRIDGE MAINTENANCE
Douglas MacArthur Bridge; Two suspended platforms are located in the center navigation span. Each platform measures 9 feet wide and hang 5 feet below low steel. One platform is located 60 feet channelward of the right descending pier and the other platform is located 120 feet channelward of the left descending pier. There are also 3 platforms located at various locations in the Illinois span. Mariners are urged to transit the bridge with caution.
MILE 100.0 - DIKE WORK
Continuing until approximately March 31, 2020, dike work will be conducted in the vicinity of Mile 100.0, LDB. The project involves removing degraded rock from the LDB and transporting the rock to a new dike on the RDB. Work will be conducted from 7:00 a.m. until 5:00 p.m., Monday through Friday. The M/V TWYLA MARGE will be onsite and will monitor VHF-FM Channel 16 or at (573) 803-7399, for additional information. Mariners are urged to exercise caution in the area.
Full report here
Lock and Dam 10 Guttenberg, Ia
Looking across towards the Iowa side near UMRM 562 (Bellevue Beach)