The Xayaburi dam is planned in Laos’ northwestern Xayaburi Province, more than 1,000 kilometers upstream from Phnom Penh.
The package included $300 million in projects for national road and irrigation projects in three provinces.
The new airport is expected to cost $1 billion and be finished in 2015.
IMF expects Cambodia’s economic growth rate to reach between 6 percent and 7 percent in 2011.
Agriculture contributes more than 30 percent to the GDP and is valued at around $10 billion per year.
The Chinese Foreign Ministry said on its website Hun Sen would pay an official visit Dec. 13 through Dec. 17.
Eang Vuthy, a project manager for Bridges Across Borders, says the families have not received enough compensation to relocate.
Cambodian officials say they expect Hun Sen to sign even more deals with China on this visit.
China has made great economic strides since the collapse of the Soviet Union, posting double-digit growth.
Some of the bridge survivors say they do not want to see the bridge reopened so soon—if ever.