Part of the plan would replace the "people movers" which shuttle passengers.
Investigators are trying to determine why the bridge, built in the late 1800s, collapsed and who may be responsible.
Acela trains will now be able to whiz through a section of New Jersey at speeds of up to 150 miles per hour.
Images from the scene show a bus atop a section of the bridge that's sloped upright at a near 45-degree angle.
The national program, the largest investment in bridges since the interstate highways were built, will deliver $1.6 billion to Pennsylvania alone.
It will allocate nearly $27 billion in funding to repair and replace bridges.