G&G Steel recently completed work on new upper and lower gates for Upper Mississippi River Lock 12. The upper gate is 25 feet tall by 62 feet wide and weighs 110 tons… Read More
lock and dam
The Rock Island Engineer District has mobilized construction crews as part of a contract to repair the lower guidewall at Locks and Dam 15 located adjacent to the Rock Island… Read More
After a “false start” last year, in which scheduled public comment meetings had to be canceled due to lack of funding, the St. Paul Engineer District is once again seeking… Read More