LNM08R-DA2AD1
Received 23 Sept 2026, 00:00 UTC
Warning text
Positions open on the mapLOWER MISSISSIPPI RIVER - UPPER MISSISSIPPI RIVER
General / Bridges / Maintenance
Dubuque Bridge: Continuing until further notice, bridge maintenance will be conducted on the Dubuque Bridge. Vertical clearance may be reduced by 62 feet above normal pool, due to a containment/work platform below the bridge deck. Mariners are urged to exercise caution while transiting under the bridge. Mariners may contact Jasper Construction via VHF-FM Channel 16, or at (563) 920-9830, for further information.
Position 42-29.50N 090-39.23W
USCG Heartland (MRS) District Local Notice to Mariners 45/2026