What it does
A plain-language summary is coming. Here is the official summary from the Congressional Research Service:
Starr–Camargo Bridge Expansion Act This act authorizes the Starr-Camargo Bridge Company to expand the Starr-Camargo international toll bridge near Rio Grande City, Texas, including expanding and adding adjacent spans to the existing bridge.
How Congress voted
This law passed by voice vote or unanimous consent, so there is no record of how individual members voted.