The new bridge is expected to be ready in June.
The plant will have a 40MW installed capacity.
The 70km road will be upgraded to bitumen standards.
The new oil terminal will handle bigger volumes of fuel products.
Plans are underway to roll out the projects by end of year.
The 59-metre-high dam occupies a 600-acre site.
Beijing has cut financing for Belt and Road Initiative projects.
The Lanet military airstrip will be converted into a civilian airport.
Chinese firm CJIC was awarded the contract mid last year.
The 740km road will open up the north eastern region to trade.