The IDF has given the US military assurances it will provide security to US forces operating on the temporary floating causeway.
Egypt has condemned Israel's seizure of the crossing and closed the passageway to goods on its side.
The pier was completed last week, and USAID Response Director says that in the coming day, they expect it to be affixed to the shore, and aid can then flow.
International organizations have said that Gaza faces a severe humanitarian crisis threatening a population of more than 2 million people.
The Gaza flotilla faces setbacks as two vessels lose state flags, hindering their sail. FFC seeks new flags, amid tensions with Israel.
"UN and humanitarian workers must be protected, and they need to be able to continue their life-saving work."
Protesters have repeatedly blocked aid trucks headed for Gaza in recent months.
The money will be allocated to support the works of the World Central Kitchen and the International Rescue Committee’s work in Gaza.
Egypt spoke up two days after South Africa turned to the ICJ and asked that it order Israel to stop its military operation in Rafah.
The IDF said that 100,000-150,000 Palestinian civilians would need to be evacuated from Jabalia for a large renewed operation there.