Payne served on a number of congressional committees, and was the ranking member of a subcommittee for the House Transportation and Infrastructure Committee.

With Payne’s passing and the resignation of Wisconsin Republican Rep. Mike Gallagher, Democrats will have 212 members in the House and Republicans 217. The narrow divide gives Johnson just a two-vote margin on party-line votes.

This story has been updated with additional information.

Kristin Wilson contributed to this report.